Add Docker build and update docs

docker/Dockerfile

@@ -0,0 +1,45 @@
+FROM node:lts-buster-slim
+
+MAINTAINER Dave Stephens <dave@force9.org>
+
+ENV NVM_DIR /root/.nvm
+ENV DEBIAN_FRONTEND noninteractive
+
+COPY . /enigma-bbs
+
+# Do some installing!
+RUN apt-get update && apt-get install -y \
+    git \
+    curl \
+    build-essential \
+    python \
+    libssl-dev \
+    lrzsz \
+    arj \
+    lhasa \
+    unrar-free \
+    p7zip-full \
+  && npm install -g pm2 \
+  && cd /enigma-bbs && npm install --only=production \
+  && apt-get remove build-essential python libssl-dev git curl -y && apt-get autoremove -y \
+  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
+  && apt-get clean
+
+# sexyz
+COPY docker/bin/sexyz /usr/local/bin
+
+# enigma storage mounts
+VOLUME /enigma-bbs/art
+VOLUME /enigma-bbs/config
+VOLUME /enigma-bbs/db
+VOLUME /enigma-bbs/filebase
+VOLUME /enigma-bbs/logs
+VOLUME /enigma-bbs/mods
+VOLUME /mail
+
+# Enigma default port
+EXPOSE 8888
+
+WORKDIR /enigma-bbs
+
+CMD ["pm2-runtime", "main.js"]

docs/installation/docker.md

@@ -3,20 +3,47 @@ layout: page
 title: Docker
 ---
 **You'll need Docker installed before going any further. How to do so are out of scope of these docs, but you can find full instructions
-for every operating system on the [Docker website](https://docs.docker.com/engine/installation/).**
+for every operating system on the [Docker website](https://docs.docker.com/engine/install/).**
 
 ## Quick Start
-Download and run the ENiGMA½ BBS image:
 
-    docker run -d \
-      -p 8888:8888 \
-      davestephens/enigma-bbs:latest
+- Generate some config for your BBS:
+  ```
+  docker run -it -v "${HOME}/engima-bbs/config:/enigma-bbs/config" enigmabbs/enigma-bbs:latest oputil.js config new
+  ```
 
-:warning: This is a **very basic** example! As no config has been supplied the container will use a basic one so that it starts successfully. Note that as no persistence directory has been supplied, once the container stops any changes made will be lost!
+- Run it:
+  ```
+  docker run -p 8888:8888 -v "${HOME}/engima-bbs/config:/enigma-bbs/config enigmabbs/enigma-bbs:latest
+  ```
 
-:bulb: [Volumes](https://docs.docker.com/storage/volumes/) may be used for things such as your configuration and database path.
+:bulb: Configuration will be stored in `${HOME}/engima-bbs/config`.
 
-## Customized Docker Setup
-TBC using Docker Compose
+:bulb: Windows users - you'll need to switch out `${HOME}/engima-bbs/config` for a Windows-style path.
 
-:pencil: This area is looking for contributors!
+## Volumes
+
+Containers by their nature are ephermeral. Meaning, stuff you want to keep (config, database, mail) needs 
+to be stored outside of the running container. As such, the following volumes are mountable:
+
+| Volume                  | Usage                                                                |
+|:------------------------|:---------------------------------------------------------------------|
+| /enigma-bbs/art         | Art, themes, etc                                                     |
+| /enigma-bbs/config      | Config such as config.hjson, menu.hjson, prompt.hjson, SSL certs etc |
+| /enigma-bbs/db          | ENiGMA databases                                                     |
+| /enigma-bbs/filebase    | Filebase                                                             |
+| /enigma-bbs/logs        | Logs                                                                 |
+| /enigma-bbs/mods        | ENiGMA mods                                                          |
+| /mail                   | FTN mail (for use with an external mailer)                           |
+
+
+## Building your own image
+
+Customising the Docker image is easy!
+
+1. Clone the ENiGMA-BBS source.
+2. Build the image
+
+   ```
+   docker build -f ./docker/Dockerfile .
+   ```