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Configuration Cheat Sheet

This is a cheat sheet for Pleroma configuration file, any setting possible to configure should be listed here.

For OTP installations the configuration is typically stored in /etc/pleroma/config.exs.

For from source installations Pleroma configuration works by first importing the base config config/config.exs, then overriding it by the environment config config/$MIX_ENV.exs and then overriding it by user config config/$MIX_ENV.secret.exs. In from source installations you should always make the changes to the user config and NEVER to the base config to avoid breakages and merge conflicts. So for production you change/add configuration to config/prod.secret.exs.

To add configuration to your config file, you can copy it from the base config. The latest version of it can be viewed here. You can also use this file if you don't know how an option is supposed to be formatted.

:chat

enabled - Enables the backend chat. Defaults to true.

:instance

name: The instance’s name.
email: Email used to reach an Administrator/Moderator of the instance.
notify_email: Email used for notifications.
description: The instance’s description, can be seen in nodeinfo and /api/v1/instance.
limit: Posts character limit (CW/Subject included in the counter).
discription_limit: The character limit for image descriptions.
chat_limit: Character limit of the instance chat messages.
remote_limit: Hard character limit beyond which remote posts will be dropped.
upload_limit: File size limit of uploads (except for avatar, background, banner).
avatar_upload_limit: File size limit of user’s profile avatars.
background_upload_limit: File size limit of user’s profile backgrounds.
banner_upload_limit: File size limit of user’s profile banners.
poll_limits: A map with poll limits for local polls.
- max_options: Maximum number of options.
- max_option_chars: Maximum number of characters per option.
- min_expiration: Minimum expiration time (in seconds).
- max_expiration: Maximum expiration time (in seconds).
registrations_open: Enable registrations for anyone, invitations can be enabled when false.
invites_enabled: Enable user invitations for admins (depends on registrations_open: false).
account_activation_required: Require users to confirm their emails before signing in.
account_approval_required: Require users to be manually approved by an admin before signing in.
federating: Enable federation with other instances.
federation_incoming_replies_max_depth: Max. depth of reply-to activities fetching on incoming federation, to prevent out-of-memory situations while fetching very long threads. If set to nil, threads of any depth will be fetched. Lower this value if you experience out-of-memory crashes.
federation_reachability_timeout_days: Timeout (in days) of each external federation target being unreachable prior to pausing federating to it.
allow_relay: Enable Pleroma’s Relay, which makes it possible to follow a whole instance.
public: Makes the client API in authenticated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network. See also: restrict_unauthenticated.
quarantined_instances: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
managed_config: Whenether the config for pleroma-fe is configured in :frontend_configurations or in static/config.json.
allowed_post_formats: MIME-type list of formats allowed to be posted (transformed into HTML).
extended_nickname_format: Set to true to use extended local nicknames format (allows underscores/dashes). This will break federation with older software for theses nicknames.
max_pinned_statuses: The maximum number of pinned statuses. 0 will disable the feature.
autofollowed_nicknames: Set to nicknames of (local) users that every new user should automatically follow.
attachment_links: Set to true to enable automatically adding attachment link text to statuses.
max_report_comment_size: The maximum size of the report comment (Default: 1000).
safe_dm_mentions: If set to true, only mentions at the beginning of a post will be used to address people in direct messages. This is to prevent accidental mentioning of people when talking about them (e.g. "@friend hey i really don't like @enemy"). Default: false.
healthcheck: If set to true, system data will be shown on /api/pleroma/healthcheck.
remote_post_retention_days: The default amount of days to retain remote posts when pruning the database.
user_bio_length: A user bio maximum length (default: 5000).
user_name_length: A user name maximum length (default: 100).
skip_thread_containment: Skip filter out broken threads. The default is false.
limit_to_local_content: Limit unauthenticated users to search for local statutes and users only. Possible values: :unauthenticated, :all and false. The default is :unauthenticated.
max_account_fields: The maximum number of custom fields in the user profile (default: 10).
max_remote_account_fields: The maximum number of custom fields in the remote user profile (default: 20).
account_field_name_length: An account field name maximum length (default: 512).
account_field_value_length: An account field value maximum length (default: 2048).
registration_reason_length: Maximum registration reason length (default: 500).
external_user_synchronization: Enabling following/followers counters synchronization for external users.
cleanup_attachments: Remove attachments along with statuses. Does not affect duplicate files and attachments without status. Enabling this will increase load to database when deleting statuses on larger instances.

Welcome

direct_message: - welcome message sent as a direct message.
- enabled: Enables the send a direct message to a newly registered user. Defaults to false.
- sender_nickname: The nickname of the local user that sends the welcome message.
- message: A message that will be send to a newly registered users as a direct message.

email: - welcome message sent as a email.

enabled: Enables the send a welcome email to a newly registered user. Defaults to false.
sender: The email address or tuple with {nickname, email} that will use as sender to the welcome email.
subject: A subject of welcome email.
html: A html that will be send to a newly registered users as a email.
text: A text that will be send to a newly registered users as a email.

Example:

config :pleroma, :welcome,
    direct_message: [
      enabled: true,
      sender_nickname: "lain",
      message: "Hi, @username! Welcome on board!"
      ],
    email: [
      enabled: true,
      sender: {"Pleroma App", "welcome@pleroma.app"},
      subject: "Welcome to <%= instance_name %>",
      html: "Welcome to <%= instance_name %>",
      text: "Welcome to <%= instance_name %>"
  ]

Message rewrite facility

:mrf

policies: Message Rewrite Policy, either one or a list. Here are the ones available by default:
- Pleroma.Web.ActivityPub.MRF.NoOpPolicy: Doesn’t modify activities (default).
- Pleroma.Web.ActivityPub.MRF.DropPolicy: Drops all activities. It generally doesn’t makes sense to use in production.
- Pleroma.Web.ActivityPub.MRF.SimplePolicy: Restrict the visibility of activities from certains instances (See :mrf_simple).
- Pleroma.Web.ActivityPub.MRF.TagPolicy: Applies policies to individual users based on tags, which can be set using pleroma-fe/admin-fe/any other app that supports Pleroma Admin API. For example it allows marking posts from individual users nsfw (sensitive).
- Pleroma.Web.ActivityPub.MRF.SubchainPolicy: Selectively runs other MRF policies when messages match (See :mrf_subchain).
- Pleroma.Web.ActivityPub.MRF.RejectNonPublic: Drops posts with non-public visibility settings (See :mrf_rejectnonpublic).
- Pleroma.Web.ActivityPub.MRF.EnsureRePrepended: Rewrites posts to ensure that replies to posts with subjects do not have an identical subject and instead begin with re:.
- Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy: Rejects posts from likely spambots by rejecting posts from new users that contain links.
- Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy: Crawls attachments using their MediaProxy URLs so that the MediaProxy cache is primed.
- Pleroma.Web.ActivityPub.MRF.MentionPolicy: Drops posts mentioning configurable users. (See :mrf_mention).
- Pleroma.Web.ActivityPub.MRF.VocabularyPolicy: Restricts activities to a configured set of vocabulary. (See :mrf_vocabulary).
- Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy: Rejects or delists posts based on their age when received. (See :mrf_object_age).
transparency: Make the content of your Message Rewrite Facility settings public (via nodeinfo).
transparency_exclusions: Exclude specific instance names from MRF transparency. The use of the exclusions feature will be disclosed in nodeinfo as a boolean value.

Federation

MRF policies

!!! note Configuring MRF policies is not enough for them to take effect. You have to enable them by specifying their module in policies under :mrf section.

:mrf_simple

media_removal: List of instances to remove media from.
media_nsfw: List of instances to put media as NSFW(sensitive) from.
federated_timeline_removal: List of instances to remove from Federated (aka The Whole Known Network) Timeline.
reject: List of instances to reject any activities from.
accept: List of instances to accept any activities from.
report_removal: List of instances to reject reports from.
avatar_removal: List of instances to strip avatars from.
banner_removal: List of instances to strip banners from.

:mrf_subchain

This policy processes messages through an alternate pipeline when a given message matches certain criteria. All criteria are configured as a map of regular expressions to lists of policy modules.

match_actor: Matches a series of regular expressions against the actor field.

Example:

config :pleroma, :mrf_subchain,
  match_actor: %{
    ~r/https:\/\/example.com/s => [Pleroma.Web.ActivityPub.MRF.DropPolicy]
  }

:mrf_rejectnonpublic

allow_followersonly: whether to allow followers-only posts.
allow_direct: whether to allow direct messages.

:mrf_hellthread

delist_threshold: Number of mentioned users after which the message gets delisted (the message can still be seen, but it will not show up in public timelines and mentioned users won't get notifications about it). Set to 0 to disable.
reject_threshold: Number of mentioned users after which the messaged gets rejected. Set to 0 to disable.

:mrf_keyword

reject: A list of patterns which result in message being rejected, each pattern can be a string or a regular expression.
federated_timeline_removal: A list of patterns which result in message being removed from federated timelines (a.k.a unlisted), each pattern can be a string or a regular expression.
replace: A list of tuples containing {pattern, replacement}, pattern can be a string or a regular expression.

:mrf_mention

actors: A list of actors, for which to drop any posts mentioning.

:mrf_vocabulary

accept: A list of ActivityStreams terms to accept. If empty, all supported messages are accepted.
reject: A list of ActivityStreams terms to reject. If empty, no messages are rejected.

:mrf_user_allowlist

The keys in this section are the domain names that the policy should apply to. Each key should be assigned a list of users that should be allowed through by their ActivityPub ID.

An example:

config :pleroma, :mrf_user_allowlist, %{
  "example.org" => ["https://example.org/users/admin"]
}

:mrf_object_age

threshold: Required time offset (in seconds) compared to your server clock of an incoming post before actions are taken. e.g., A value of 900 results in any post with a timestamp older than 15 minutes will be acted upon.
actions: A list of actions to apply to the post:
- :delist removes the post from public timelines
- :strip_followers removes followers from the ActivityPub recipient list, ensuring they won't be delivered to home timelines
- :reject rejects the message entirely

:mrf_steal_emoji

hosts: List of hosts to steal emojis from
rejected_shortcodes: Regex-list of shortcodes to reject
size_limit: File size limit (in bytes), checked before an emoji is saved to the disk

:mrf_activity_expiration

days: Default global expiration time for all local Create activities (in days)

:activitypub

unfollow_blocked: Whether blocks result in people getting unfollowed
outgoing_blocks: Whether to federate blocks to other instances
deny_follow_blocked: Whether to disallow following an account that has blocked the user in question
sign_object_fetches: Sign object fetches with HTTP signatures
authorized_fetch_mode: Require HTTP signatures for AP fetches

Pleroma.ScheduledActivity

daily_user_limit: the number of scheduled activities a user is allowed to create in a single day (Default: 25)
total_user_limit: the number of scheduled activities a user is allowed to create in total (Default: 300)
enabled: whether scheduled activities are sent to the job queue to be executed

Pleroma.ActivityExpiration

enabled: whether expired activities will be sent to the job queue to be deleted

Frontends

:frontend_configurations

This can be used to configure a keyword list that keeps the configuration data for any kind of frontend. By default, settings for pleroma_fe and masto_fe are configured. You can find the documentation for pleroma_fe configuration into Pleroma-FE configuration and customization for instance administrators.

Frontends can access these settings at /api/pleroma/frontend_configurations

To add your own configuration for PleromaFE, use it like this:

config :pleroma, :frontend_configurations,
  pleroma_fe: %{
    theme: "pleroma-dark",
    # ... see /priv/static/static/config.json for the available keys.
},
  masto_fe: %{
    showInstanceSpecificPanel: true
  }

These settings need to be complete, they will override the defaults.

:static_fe

Render profiles and posts using server-generated HTML that is viewable without using JavaScript.

Available options:

enabled - Enables the rendering of static HTML. Defaults to false.

:assets

This section configures assets to be used with various frontends. Currently the only option relates to mascots on the mastodon frontend

mascots: KeywordList of mascots, each element MUST contain both a url and a mime_type key.
default_mascot: An element from mascots - This will be used as the default mascot on MastoFE (default: :pleroma_fox_tan).

:manifest

This section describe PWA manifest instance-specific values. Currently this option relate only for MastoFE.

icons: Describe the icons of the app, this a list of maps describing icons in the same way as the spec describes it.

Example:

config :pleroma, :manifest,
  icons: [
    %{
      src: "/static/logo.png"
    },
    %{
      src: "/static/icon.png",
      type: "image/png"
    },
    %{
      src: "/static/icon.ico",
      sizes: "72x72 96x96 128x128 256x256"
    }
  ]

theme_color: Describe the theme color of the app. (Example: "#282c37", "rebeccapurple").
background_color: Describe the background color of the app. (Example: "#191b22", "aliceblue").

:emoji

shortcode_globs: Location of custom emoji files. * can be used as a wildcard. Example ["/emoji/custom/**/*.png"]
pack_extensions: A list of file extensions for emojis, when no emoji.txt for a pack is present. Example [".png", ".gif"]
groups: Emojis are ordered in groups (tags). This is an array of key-value pairs where the key is the groupname and the value the location or array of locations. * can be used as a wildcard. Example [Custom: ["/emoji/*.png", "/emoji/custom/*.png"]]
default_manifest: Location of the JSON-manifest. This manifest contains information about the emoji-packs you can download. Currently only one manifest can be added (no arrays).
shared_pack_cache_seconds_per_file: When an emoji pack is shared, the archive is created and cached in memory for this amount of seconds multiplied by the number of files.

:media_proxy

enabled: Enables proxying of remote media to the instance’s proxy
base_url: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts.
proxy_opts: All options defined in Pleroma.ReverseProxy documentation, defaults to [max_body_length: (25*1_048_576)].
whitelist: List of hosts with scheme to bypass the mediaproxy (e.g. https://example.com)
invalidation: options for remove media from cache after delete object:
- enabled: Enables purge cache
- provider: Which one of the purge cache strategy to use.

Purge cache strategy

Pleroma.Web.MediaProxy.Invalidation.Script

This strategy allow perform external shell script to purge cache. Urls of attachments pass to script as arguments.

script_path: path to external script.

Example:

config :pleroma, Pleroma.Web.MediaProxy.Invalidation.Script,
  script_path: "./installation/nginx-cache-purge.example"

Pleroma.Web.MediaProxy.Invalidation.Http

This strategy allow perform custom http request to purge cache.

method: http method. default is purge
headers: http headers.
options: request options.

Example:

config :pleroma, Pleroma.Web.MediaProxy.Invalidation.Http,
  method: :purge,
  headers: [],
  options: []

Link previews

Pleroma.Web.Metadata (provider)

providers: a list of metadata providers to enable. Providers available:
- Pleroma.Web.Metadata.Providers.OpenGraph
- Pleroma.Web.Metadata.Providers.TwitterCard
- Pleroma.Web.Metadata.Providers.RelMe - add links from user bio with rel=me into the <header> as <link rel=me>.
- Pleroma.Web.Metadata.Providers.Feed - add a link to a user's Atom feed into the <header> as <link rel=alternate>.
unfurl_nsfw: If set to true nsfw attachments will be shown in previews.

:rich_media (consumer)

enabled: if enabled the instance will parse metadata from attached links to generate link previews.
ignore_hosts: list of hosts which will be ignored by the metadata parser. For example ["accounts.google.com", "xss.website"], defaults to [].
ignore_tld: list TLDs (top-level domains) which will ignore for parse metadata. default is ["local", "localdomain", "lan"].
parsers: list of Rich Media parsers.

HTTP server

Pleroma.Web.Endpoint

!!! note Phoenix endpoint configuration, all configuration options can be viewed here, only common options are listed here.

http - a list containing http protocol configuration, all configuration options can be viewed here, only common options are listed here. For deployment using docker, you need to set this to [ip: {0,0,0,0}, port: 4000] to make pleroma accessible from other containers (such as your nginx server).
- ip - a tuple consisting of 4 integers
- port
url - a list containing the configuration for generating urls, accepts
- host - the host without the scheme and a post (e.g example.com, not https://example.com:2020)
- scheme - e.g http, https
- port
- path
extra_cookie_attrs - a list of Key=Value strings to be added as non-standard cookie attributes. Defaults to ["SameSite=Lax"]. See the SameSite article on OWASP for more info.

Example:

config :pleroma, Pleroma.Web.Endpoint,
  url: [host: "example.com", port: 2020, scheme: "https"],
  http: [
    port: 8080,
    ip: {127, 0, 0, 1}
  ]

This will make Pleroma listen on 127.0.0.1 port 8080 and generate urls starting with https://example.com:2020

:http_security

enabled: Whether the managed content security policy is enabled.
sts: Whether to additionally send a Strict-Transport-Security header.
sts_max_age: The maximum age for the Strict-Transport-Security header if sent.
ct_max_age: The maximum age for the Expect-CT header if sent.
referrer_policy: The referrer policy to use, either "same-origin" or "no-referrer".
report_uri: Adds the specified url to report-uri and report-to group in CSP header.

Pleroma.Plugs.RemoteIp

!!! warning If your instance is not behind at least one reverse proxy, you should not enable this plug.

Pleroma.Plugs.RemoteIp is a shim to call RemoteIp but with runtime configuration.

Available options:

enabled - Enable/disable the plug. Defaults to false.
headers - A list of strings naming the req_headers to use when deriving the remote_ip. Order does not matter. Defaults to ["x-forwarded-for"].
proxies - A list of strings in CIDR notation specifying the IPs of known proxies. Defaults to [].
reserved - Defaults to localhost and private network.

:rate_limit

!!! note If your instance is behind a reverse proxy ensure Pleroma.Plugs.RemoteIp is enabled (it is enabled by default).

A keyword list of rate limiters where a key is a limiter name and value is the limiter configuration. The basic configuration is a tuple where:

The first element: scale (Integer). The time scale in milliseconds.
The second element: limit (Integer). How many requests to limit in the time scale provided.

It is also possible to have different limits for unauthenticated and authenticated users: the keyword value must be a list of two tuples where the first one is a config for unauthenticated users and the second one is for authenticated.

For example:

config :pleroma, :rate_limit,
  authentication: {60_000, 15},
  search: [{1000, 10}, {1000, 30}]

Means that:

In 60 seconds, 15 authentication attempts can be performed from the same IP address.
In 1 second, 10 search requests can be performed from the same IP adress by unauthenticated users, while authenticated users can perform 30 search requests per second.

Supported rate limiters:

:search - Account/Status search.
:timeline - Timeline requests (each timeline has it's own limiter).
:app_account_creation - Account registration from the API.
:relations_actions - Following/Unfollowing in general.
:relation_id_action - Following/Unfollowing for a specific user.
:statuses_actions - Status actions such as: (un)repeating, (un)favouriting, creating, deleting.
:status_id_action - (un)Repeating/(un)Favouriting a particular status.
:authentication - Authentication actions, i.e getting an OAuth token.
:password_reset - Requesting password reset emails.
:account_confirmation_resend - Requesting resending account confirmation emails.
:ap_routes - Requesting statuses via ActivityPub.

:web_cache_ttl

The expiration time for the web responses cache. Values should be in milliseconds or nil to disable expiration.

Available caches:

:activity_pub - activity pub routes (except question activities). Defaults to nil (no expiration).
:activity_pub_question - activity pub routes (question activities). Defaults to 30_000 (30 seconds).

HTTP client

:http

proxy_url: an upstream proxy to fetch posts and/or media with, (default: nil)
send_user_agent: should we include a user agent with HTTP requests? (default: true)
user_agent: what user agent should we use? (default: :default), must be string or :default
adapter: array of adapter options

:hackney_pools

Advanced. Tweaks Hackney (http client) connections pools.

There's three pools used:

:federation for the federation jobs. You may want this pool max_connections to be at least equal to the number of federator jobs + retry queue jobs.
:media for rich media, media proxy
:upload for uploaded media (if using a remote uploader and proxy_remote: true)

For each pool, the options are:

max_connections - how much connections a pool can hold
timeout - retention duration for connections

:connections_pool

For gun adapter

Settings for HTTP connection pool.

:connection_acquisition_wait - Timeout to acquire a connection from pool.The total max time is this value multiplied by the number of retries.
connection_acquisition_retries - Number of attempts to acquire the connection from the pool if it is overloaded. Each attempt is timed :connection_acquisition_wait apart.
:max_connections - Maximum number of connections in the pool.
:await_up_timeout - Timeout to connect to the host.
:reclaim_multiplier - Multiplied by :max_connections this will be the maximum number of idle connections that will be reclaimed in case the pool is overloaded.

:pools

For gun adapter

Settings for request pools. These pools are limited on top of :connections_pool.

There are four pools used:

:federation for the federation jobs. You may want this pool's max_connections to be at least equal to the number of federator jobs + retry queue jobs.
:media - for rich media, media proxy.
:upload - for proxying media when a remote uploader is used and proxy_remote: true.
:default - for other requests.

For each pool, the options are:

:size - limit to how much requests can be concurrently executed.
:timeout - timeout while gun will wait for response
:max_waiting - limit to how much requests can be waiting for others to finish, after this is reached, subsequent requests will be dropped.

Captcha

Pleroma.Captcha

enabled: Whether the captcha should be shown on registration.
method: The method/service to use for captcha.
seconds_valid: The time in seconds for which the captcha is valid.

Captcha providers

Pleroma.Captcha.Native

A built-in captcha provider. Enabled by default.

Pleroma.Captcha.Kocaptcha

Kocaptcha is a very simple captcha service with a single API endpoint, the source code is here: kocaptcha. The default endpoint https://captcha.kotobank.ch is hosted by the developer.

endpoint: the Kocaptcha endpoint to use.

Uploads

Pleroma.Upload

uploader: Which one of the uploaders to use.
filters: List of upload filters to use.
link_name: When enabled Pleroma will add a name parameter to the url of the upload, for example https://instance.tld/media/corndog.png?name=corndog.png. This is needed to provide the correct filename in Content-Disposition headers when using filters like Pleroma.Upload.Filter.Dedupe
base_url: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host.
proxy_remote: If you're using a remote uploader, Pleroma will proxy media requests instead of redirecting to it.
proxy_opts: Proxy options, see Pleroma.ReverseProxy documentation.
filename_display_max_length: Set max length of a filename to display. 0 = no limit. Default: 30.

!!! warning strip_exif has been replaced by Pleroma.Upload.Filter.Mogrify.

Uploaders

Pleroma.Uploaders.Local

uploads: Which directory to store the user-uploads in, relative to pleroma’s working directory.

Pleroma.Uploaders.S3

Don't forget to configure Ex AWS S3

bucket: S3 bucket name.
bucket_namespace: S3 bucket namespace.
public_endpoint: S3 endpoint that the user finally accesses(ex. "https://s3.dualstack.ap-northeast-1.amazonaws.com")
truncated_namespace: If you use S3 compatible service such as Digital Ocean Spaces or CDN, set folder name or "" etc. For example, when using CDN to S3 virtual host format, set "". At this time, write CNAME to CDN in public_endpoint.
streaming_enabled: Enable streaming uploads, when enabled the file will be sent to the server in chunks as it's being read. This may be unsupported by some providers, try disabling this if you have upload problems.

Ex AWS S3 settings

access_key_id: Access key ID
secret_access_key: Secret access key
host: S3 host

Example:

config :ex_aws, :s3,
  access_key_id: "xxxxxxxxxx",
  secret_access_key: "yyyyyyyyyy",
  host: "s3.eu-central-1.amazonaws.com"

Upload filters

Pleroma.Upload.Filter.AnonymizeFilename

This filter replaces the filename (not the path) of an upload. For complete obfuscation, add Pleroma.Upload.Filter.Dedupe before AnonymizeFilename.

text: Text to replace filenames in links. If empty, {random}.extension will be used. You can get the original filename extension by using {extension}, for example custom-file-name.{extension}.

Pleroma.Upload.Filter.Dedupe

No specific configuration.

Pleroma.Upload.Filter.Exiftool

This filter only strips the GPS and location metadata with Exiftool leaving color profiles and attributes intact.

No specific configuration.

Pleroma.Upload.Filter.Mogrify

args: List of actions for the mogrify command like "strip" or ["strip", "auto-orient", {"implode", "1"}].

Email

Pleroma.Emails.Mailer

adapter: one of the mail adapters listed in Swoosh readme, or Swoosh.Adapters.Local for in-memory mailbox.
api_key / password and / or other adapter-specific settings, per the above documentation.
enabled: Allows enable/disable send emails. Default: false.

An example for Sendgrid adapter:

config :pleroma, Pleroma.Emails.Mailer,
  enabled: true,
  adapter: Swoosh.Adapters.Sendgrid,
  api_key: "YOUR_API_KEY"

An example for SMTP adapter:

config :pleroma, Pleroma.Emails.Mailer,
  enabled: true,
  adapter: Swoosh.Adapters.SMTP,
  relay: "smtp.gmail.com",
  username: "YOUR_USERNAME@gmail.com",
  password: "YOUR_SMTP_PASSWORD",
  port: 465,
  ssl: true,
  auth: :always

:email_notifications

Email notifications settings.

digest - emails of "what you've missed" for users who have been inactive for a while.
- active: globally enable or disable digest emails
- schedule: When to send digest email, in crontab format. "0 0 * * 0" is the default, meaning "once a week at midnight on Sunday morning"
- interval: Minimum interval between digest emails to one user
- inactivity_threshold: Minimum user inactivity threshold

Pleroma.Emails.UserEmail

:logo - a path to a custom logo. Set it to nil to use the default Pleroma logo.
:styling - a map with color settings for email templates.

Pleroma.Emails.NewUsersDigestEmail

:enabled - a boolean, enables new users admin digest email when true. Defaults to false.

Background jobs

Oban

Oban asynchronous job processor configuration.

Configuration options described in Oban readme:

repo - app's Ecto repo (Pleroma.Repo)
log - logs verbosity
queues - job queues (see below)
crontab - periodic jobs, see Oban.Cron

Pleroma has the following queues:

activity_expiration - Activity expiration
federator_outgoing - Outgoing federation
federator_incoming - Incoming federation
mailer - Email sender, see Pleroma.Emails.Mailer
transmogrifier - Transmogrifier
web_push - Web push notifications
scheduled_activities - Scheduled activities, see Pleroma.ScheduledActivity

Oban.Cron

Pleroma has these periodic job workers:

Pleroma.Workers.Cron.ClearOauthTokenWorker - a job worker to cleanup expired oauth tokens.

Example:

config :pleroma, Oban,
  repo: Pleroma.Repo,
  verbose: false,
  prune: {:maxlen, 1500},
  queues: [
    federator_incoming: 50,
    federator_outgoing: 50
  ],
  crontab: [
    {"0 0 * * *", Pleroma.Workers.Cron.ClearOauthTokenWorker}
  ]

This config contains two queues: federator_incoming and federator_outgoing. Both have the number of max concurrent jobs set to 50.

Migrating `pleroma_job_queue` settings

config :pleroma_job_queue, :queues is replaced by config :pleroma, Oban, :queues and uses the same format (keys are queues' names, values are max concurrent jobs numbers).

:workers

Includes custom worker options not interpretable directly by Oban.

retries — keyword lists where keys are Oban queues (see above) and values are numbers of max attempts for failed jobs.

Example:

config :pleroma, :workers,
  retries: [
    federator_incoming: 5,
    federator_outgoing: 5
  ]

Migrating `Pleroma.Web.Federator.RetryQueue` settings

max_retries is replaced with config :pleroma, :workers, retries: [federator_outgoing: 5]
enabled: false corresponds to config :pleroma, :workers, retries: [federator_outgoing: 1]
deprecated options: max_jobs, initial_timeout

:web_push_encryption, :vapid_details

Web Push Notifications configuration. You can use the mix task mix web_push.gen.keypair to generate it.

subject: a mailto link for the administrative contact. It’s best if this email is not a personal email address, but rather a group email so that if a person leaves an organization, is unavailable for an extended period, or otherwise can’t respond, someone else on the list can.
public_key: VAPID public key
private_key: VAPID private key

:logger

backends: :console is used to send logs to stdout, {ExSyslogger, :ex_syslogger} to log to syslog, and Quack.Logger to log to Slack

An example to enable ONLY ExSyslogger (f/ex in prod.secret.exs) with info and debug suppressed:

config :logger,
  backends: [{ExSyslogger, :ex_syslogger}]

config :logger, :ex_syslogger,
  level: :warn

Another example, keeping console output and adding the pid to syslog output:

config :logger,
  backends: [:console, {ExSyslogger, :ex_syslogger}]

config :logger, :ex_syslogger,
  level: :warn,
  option: [:pid, :ndelay]

See: logger’s documentation and ex_syslogger’s documentation

An example of logging info to local syslog, but warn to a Slack channel:

config :logger,
  backends: [ {ExSyslogger, :ex_syslogger}, Quack.Logger ],
  level: :info

config :logger, :ex_syslogger,
  level: :info,
  ident: "pleroma",
  format: "$metadata[$level] $message"

config :quack,
  level: :warn,
  meta: [:all],
  webhook_url: "https://hooks.slack.com/services/YOUR-API-KEY-HERE"

See the Quack Github for more details

Database options

RUM indexing for full text search

!!! warning It is recommended to use PostgreSQL v11 or newer. We have seen some minor issues with lower PostgreSQL versions.

rum_enabled: If RUM indexes should be used. Defaults to false.

RUM indexes are an alternative indexing scheme that is not included in PostgreSQL by default. While they may eventually be mainlined, for now they have to be installed as a PostgreSQL extension from https://github.com/postgrespro/rum.

Their advantage over the standard GIN indexes is that they allow efficient ordering of search results by timestamp, which makes search queries a lot faster on larger servers, by one or two orders of magnitude. They take up around 3 times as much space as GIN indexes.

To enable them, both the rum_enabled flag has to be set and the following special migration has to be run:

mix ecto.migrate --migrations-path priv/repo/optional_migrations/rum_indexing/

This will probably take a long time.

Alternative client protocols

BBS / SSH access

To enable simple command line interface accessible over ssh, add a setting like this to your configuration file:

app_dir = File.cwd!
priv_dir = Path.join([app_dir, "priv/ssh_keys"])

config :esshd,
  enabled: true,
  priv_dir: priv_dir,
  handler: "Pleroma.BBS.Handler",
  port: 10_022,
  password_authenticator: "Pleroma.BBS.Authenticator"

Feel free to adjust the priv_dir and port number. Then you will have to create the key for the keys (in the example priv/ssh_keys) and create the host keys with ssh-keygen -m PEM -N "" -b 2048 -t rsa -f ssh_host_rsa_key. After restarting, you should be able to connect to your Pleroma instance with ssh username@server -p $PORT

:gopher

enabled: Enables the gopher interface
ip: IP address to bind to
port: Port to bind to
dstport: Port advertised in urls (optional, defaults to port)

Authentication

:admin_token

Allows to set a token that can be used to authenticate with the admin api without using an actual user by giving it as the admin_token parameter or x-admin-token HTTP header. Example:

config :pleroma, :admin_token, "somerandomtoken"

You can then do

curl "http://localhost:4000/api/pleroma/admin/users/invites?admin_token=somerandomtoken"

curl -H "X-Admin-Token: somerandomtoken" "http://localhost:4000/api/pleroma/admin/users/invites"

Warning: it's discouraged to use this feature because of the associated security risk: static / rarely changed instance-wide token is much weaker compared to email-password pair of a real admin user; consider using HTTP Basic Auth or OAuth-based authentication instead.

:auth

Pleroma.Web.Auth.PleromaAuthenticator: default database authenticator.
Pleroma.Web.Auth.LDAPAuthenticator: LDAP authentication.

Authentication / authorization settings.

auth_template: authentication form template. By default it's show.html which corresponds to lib/pleroma/web/templates/o_auth/o_auth/show.html.eex.
oauth_consumer_template: OAuth consumer mode authentication form template. By default it's consumer.html which corresponds to lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex.
oauth_consumer_strategies: the list of enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable. Each entry in this space-delimited string should be of format <strategy> or <strategy>:<dependency> (e.g. twitter or keycloak:ueberauth_keycloak_strategy in case dependency is named differently than ueberauth_<strategy>).

Pleroma.Web.Auth.Authenticator

Pleroma.Web.Auth.PleromaAuthenticator: default database authenticator.
Pleroma.Web.Auth.LDAPAuthenticator: LDAP authentication.

:ldap

Use LDAP for user authentication. When a user logs in to the Pleroma instance, the name and password will be verified by trying to authenticate (bind) to an LDAP server. If a user exists in the LDAP directory but there is no account with the same name yet on the Pleroma instance then a new Pleroma account will be created with the same name as the LDAP user name.

enabled: enables LDAP authentication
host: LDAP server hostname
port: LDAP port, e.g. 389 or 636
ssl: true to use SSL, usually implies the port 636
sslopts: additional SSL options
tls: true to start TLS, usually implies the port 389
tlsopts: additional TLS options
base: LDAP base, e.g. "dc=example,dc=com"
uid: LDAP attribute name to authenticate the user, e.g. when "cn", the filter will be "cn=username,base"

OAuth consumer mode

OAuth consumer mode allows sign in / sign up via external OAuth providers (e.g. Twitter, Facebook, Google, Microsoft, etc.). Implementation is based on Ueberauth; see the list of available strategies.

!!! note Each strategy is shipped as a separate dependency; in order to get the strategies, run OAUTH_CONSUMER_STRATEGIES="..." mix deps.get, e.g. OAUTH_CONSUMER_STRATEGIES="twitter facebook google microsoft" mix deps.get. The server should also be started with OAUTH_CONSUMER_STRATEGIES="..." mix phx.server in case you enable any strategies.

!!! note Each strategy requires separate setup (on external provider side and Pleroma side). Below are the guidelines on setting up most popular strategies.

!!! note Make sure that "SameSite=Lax" is set in extra_cookie_attrs when you have this feature enabled. OAuth consumer mode will not work with "SameSite=Strict"

For Twitter, register an app, configure callback URL to https://<your_host>/oauth/twitter/callback
For Facebook, register an app, configure callback URL to https://<your_host>/oauth/facebook/callback, enable Facebook Login service at https://developers.facebook.com/apps/<app_id>/fb-login/settings/
For Google, register an app, configure callback URL to https://<your_host>/oauth/google/callback
For Microsoft, register an app, configure callback URL to https://<your_host>/oauth/microsoft/callback

Once the app is configured on external OAuth provider side, add app's credentials and strategy-specific settings (if any — e.g. see Microsoft below) to config/prod.secret.exs, per strategy's documentation (e.g. ueberauth_twitter). Example config basing on environment variables:

# Twitter
config :ueberauth, Ueberauth.Strategy.Twitter.OAuth,
  consumer_key: System.get_env("TWITTER_CONSUMER_KEY"),
  consumer_secret: System.get_env("TWITTER_CONSUMER_SECRET")

# Facebook
config :ueberauth, Ueberauth.Strategy.Facebook.OAuth,
  client_id: System.get_env("FACEBOOK_APP_ID"),
  client_secret: System.get_env("FACEBOOK_APP_SECRET"),
  redirect_uri: System.get_env("FACEBOOK_REDIRECT_URI")

# Google
config :ueberauth, Ueberauth.Strategy.Google.OAuth,
  client_id: System.get_env("GOOGLE_CLIENT_ID"),
  client_secret: System.get_env("GOOGLE_CLIENT_SECRET"),
  redirect_uri: System.get_env("GOOGLE_REDIRECT_URI")

# Microsoft
config :ueberauth, Ueberauth.Strategy.Microsoft.OAuth,
  client_id: System.get_env("MICROSOFT_CLIENT_ID"),
  client_secret: System.get_env("MICROSOFT_CLIENT_SECRET")

config :ueberauth, Ueberauth,
  providers: [
    microsoft: {Ueberauth.Strategy.Microsoft, [callback_params: []]}
  ]

# Keycloak
# Note: make sure to add `keycloak:ueberauth_keycloak_strategy` entry to `OAUTH_CONSUMER_STRATEGIES` environment variable
keycloak_url = "https://publicly-reachable-keycloak-instance.org:8080"

config :ueberauth, Ueberauth.Strategy.Keycloak.OAuth,
  client_id: System.get_env("KEYCLOAK_CLIENT_ID"),
  client_secret: System.get_env("KEYCLOAK_CLIENT_SECRET"),
  site: keycloak_url,
  authorize_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/auth",
  token_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/token",
  userinfo_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/userinfo",
  token_method: :post

config :ueberauth, Ueberauth,
  providers: [
    keycloak: {Ueberauth.Strategy.Keycloak, [uid_field: :email]}
  ]

OAuth 2.0 provider - :oauth2

Configure OAuth 2 provider capabilities:

token_expires_in - The lifetime in seconds of the access token.
issue_new_refresh_token - Keeps old refresh token or generate new refresh token when to obtain an access token.
clean_expired_tokens - Enable a background job to clean expired oauth tokens. Defaults to false. Interval settings sets in configuration periodic jobs Oban.Cron

Link parsing

:uri_schemes

valid_schemes: List of the scheme part that is considered valid to be an URL.

Pleroma.Formatter

Configuration for Pleroma's link formatter which parses mentions, hashtags, and URLs.

class - specify the class to be added to the generated link (default: false)
rel - specify the rel attribute (default: ugc)
new_window - adds target="_blank" attribute (default: false)
truncate - Set to a number to truncate URLs longer then the number. Truncated URLs will end in ... (default: false)
strip_prefix - Strip the scheme prefix (default: false)
extra - link URLs with rarely used schemes (magnet, ipfs, irc, etc.) (default: true)
validate_tld - Set to false to disable TLD validation for URLs/emails. Can be set to :no_scheme to validate TLDs only for urls without a scheme (e.g example.com will be validated, but http://example.loki won't) (default: :no_scheme)

Example:

config :pleroma, Pleroma.Formatter,
  class: false,
  rel: "ugc",
  new_window: false,
  truncate: false,
  strip_prefix: false,
  extra: true,
  validate_tld: :no_scheme

Custom Runtime Modules (`:modules`)

runtime_dir: A path to custom Elixir modules (such as MRF policies).

:configurable_from_database

Boolean, enables/disables in-database configuration. Read Transfering the config to/from the database for more information.

:database_config_whitelist

List of valid configuration sections which are allowed to be configured from the database. Settings stored in the database before the whitelist is configured are still applied, so it is suggested to only use the whitelist on instances that have not migrated the config to the database.

Example:

config :pleroma, :database_config_whitelist, [
  {:pleroma, :instance},
  {:pleroma, Pleroma.Web.Metadata},
  {:auto_linker}
]

Multi-factor authentication - :two_factor_authentication

totp - a list containing TOTP configuration
- digits - Determines the length of a one-time pass-code in characters. Defaults to 6 characters.
- period - a period for which the TOTP code will be valid in seconds. Defaults to 30 seconds.
backup_codes - a list containing backup codes configuration
- number - number of backup codes to generate.
- length - backup code length. Defaults to 16 characters.

Restrict entities access for unauthenticated users

:restrict_unauthenticated

Restrict access for unauthenticated users to timelines (public and federated), user profiles and statuses.

timelines: public and federated timelines
- local: public timeline
- federated: federated timeline (includes public timeline)
profiles: user profiles
- local
- remote
activities: statuses
- local
- remote

Note: setting restrict_unauthenticated/timelines/local to true has no practical sense if restrict_unauthenticated/timelines/federated is set to false (since local public activities will still be delivered to unauthenticated users as part of federated timeline).

Pleroma.Web.ApiSpec.CastAndValidate

:strict a boolean, enables strict input validation (useful in development, not recommended in production). Defaults to false.

:instances_favicons

Control favicons for instances.

enabled: Allow/disallow displaying and getting instances favicons

Frontend management

Frontends in Pleroma are swappable - you can specify which one to use here.

You can set a frontends for the key primary and admin and the options of name and ref. This will then make Pleroma serve the frontend from a folder constructed by concatenating the instance static path, frontends and the name and ref.

The key primary refers to the frontend that will be served by default for general requests. The key admin refers to the frontend that will be served at the /pleroma/admin path.

If you don't set anything here, the bundled frontends will be used.

Example:

config :pleroma, :frontends,
  primary: %{
    "name" => "pleroma",
    "ref" => "stable"
  },
  admin: %{
    "name" => "admin",
    "ref" => "develop"
  }

This would serve the frontend from the the folder at $instance_static/frontends/pleroma/stable. You have to copy the frontend into this folder yourself. You can choose the name and ref any way you like, but they will be used by mix tasks to automate installation in the future, the name referring to the project and the ref referring to a commit.

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Configuration Cheat Sheet

:chat

:instance

Welcome

Message rewrite facility

:mrf

Federation

MRF policies

:mrf_simple

:mrf_subchain

:mrf_rejectnonpublic

:mrf_hellthread

:mrf_keyword

:mrf_mention

:mrf_vocabulary

:mrf_user_allowlist

:mrf_object_age

:mrf_steal_emoji

:mrf_activity_expiration

:activitypub

Pleroma.ScheduledActivity

Pleroma.ActivityExpiration

Frontends

:frontend_configurations

:static_fe

:assets

:manifest

:emoji

:media_proxy

Purge cache strategy

Pleroma.Web.MediaProxy.Invalidation.Script

Pleroma.Web.MediaProxy.Invalidation.Http

Link previews

Pleroma.Web.Metadata (provider)

:rich_media (consumer)

HTTP server

Pleroma.Web.Endpoint

:http_security

Pleroma.Plugs.RemoteIp

:rate_limit

:web_cache_ttl

HTTP client

:http

:hackney_pools

:connections_pool

:pools

Captcha

Pleroma.Captcha

Captcha providers

Pleroma.Captcha.Native

Pleroma.Captcha.Kocaptcha

Uploads

Pleroma.Upload

Uploaders

Pleroma.Uploaders.Local

Pleroma.Uploaders.S3

Ex AWS S3 settings

Upload filters

Pleroma.Upload.Filter.AnonymizeFilename

Pleroma.Upload.Filter.Dedupe

Pleroma.Upload.Filter.Exiftool

Pleroma.Upload.Filter.Mogrify

Email

Pleroma.Emails.Mailer

:email_notifications

Pleroma.Emails.UserEmail

Pleroma.Emails.NewUsersDigestEmail

Background jobs

Oban

Oban.Cron

Migrating pleroma_job_queue settings

:workers

Migrating Pleroma.Web.Federator.RetryQueue settings

:web_push_encryption, :vapid_details

:logger

Database options

RUM indexing for full text search

Alternative client protocols

BBS / SSH access

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Raw Blame History

Migrating `pleroma_job_queue` settings

Migrating `Pleroma.Web.Federator.RetryQueue` settings

Custom Runtime Modules (`:modules`)