Simplify in-database config docs
Large part of it was no longer true (i.e none of the changes need recompilation anymore and you can't brick an instance by changing them, it's not necessary to manually truncate the db manually anymore)
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# Configuring instance
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You can configure your instance from admin interface. You need account with admin rights and little change in config file, which will allow settings configuration from database.
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```elixir
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config :pleroma, configurable_from_database: true
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```
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## How it works
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Settings are stored in database and are applied in `runtime` after each change. Most of the settings take effect immediately, except some, which need instance reboot. These settings are needed in `compile time`, that's why settings are duplicated to the file.
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File with duplicated settings is located in `config/{env}.exported_from_db.exs` if pleroma is runned from source. For prod env it will be `config/prod.exported_from_db.exs`.
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For releases: `/etc/pleroma/prod.exported_from_db.secret.exs` or `PLEROMA_CONFIG_PATH/prod.exported_from_db.exs`.
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## How to set it up
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You need to migrate your existing settings to the database. This task will migrate only added by user settings.
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For example you add settings to `prod.secret.exs` file, only these settings will be migrated to database. For release it will be `/etc/pleroma/config.exs` or `PLEROMA_CONFIG_PATH`.
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You can do this with mix task (all config files will remain untouched):
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```sh tab="OTP"
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./bin/pleroma_ctl config migrate_to_db
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```
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```sh tab="From Source"
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mix pleroma.config migrate_to_db
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```
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Now you can change settings in admin interface. After each save, settings from database are duplicated to the `config/{env}.exported_from_db.exs` file.
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<span style="color:red">**ATTENTION**</span>
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**<span style="color:red">Be careful while changing the settings. Every inaccurate configuration change can break the federation or the instance load.</span>**
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*Compile time settings, which require instance reboot and can break instance loading:*
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- all settings inside these keys:
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- `:hackney_pools`
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- `:chat`
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- partially settings inside these keys:
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- `:seconds_valid` in `Pleroma.Captcha`
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- `:proxy_remote` in `Pleroma.Upload`
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- `:upload_limit` in `:instance`
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## How to dump settings from database to file
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*Adding `-d` flag will delete migrated settings from database table.*
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```sh tab="OTP"
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./bin/pleroma_ctl config migrate_from_db [-d]
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```
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```sh tab="From Source"
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mix pleroma.config migrate_from_db [-d]
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```
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## How to completely remove it
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1. Truncate or delete all values from `config` table
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```sql
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TRUNCATE TABLE config;
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```
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2. Delete `config/{env}.exported_from_db.exs`.
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For `prod` env:
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```bash
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cd /opt/pleroma
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cp config/prod.exported_from_db.exs config/exported_from_db.back
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rm -rf config/prod.exported_from_db.exs
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```
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*If you don't want to backup settings, you can skip step with `cp` command.*
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3. Set configurable_from_database to `false`.
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```elixir
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config :pleroma, configurable_from_database: false
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```
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4. Restart pleroma instance
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```bash
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sudo service pleroma restart
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```
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# Transfering the config to/from the database
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!!! danger
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This is a Work In Progress, not usable just yet.
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{! backend/administration/CLI_tasks/general_cli_task_info.include !}
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## Transfer config from file to DB.
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!!! note
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You need to add the following to your config before executing this command:
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```elixir
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config :pleroma, configurable_from_database: true
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```
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```sh tab="OTP"
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./bin/pleroma_ctl config migrate_to_db
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```
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@ -18,7 +22,15 @@ mix pleroma.config migrate_to_db
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## Transfer config from DB to `config/env.exported_from_db.secret.exs`
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!!! note
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In-Database configuration will still be applied after executing this command unless you set the following in your config:
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```elixir
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config :pleroma, configurable_from_database: false
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```
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To delete transfered settings from database optional flag `-d` can be used. <env> is `prod` by default.
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```sh tab="OTP"
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./bin/pleroma_ctl config migrate_from_db [--env=<env>] [-d]
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```
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@ -856,4 +856,5 @@ config :auto_linker,
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## :configurable_from_database
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Enable/disable configuration from database.
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Boolean, enables/disables in-database configuration. Read [Transfering the config to/from the database](../administration/CLI_tasks/config.md) for more information.
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