Write a lot, like an actual lot. of documentation

Co-authored-by: William Oldham <github@binaryoverload.co.uk>

content/4.backend/1.deploy.md

@@ -3,8 +3,25 @@ title: 'Deploy'
 ---
 # Deploying the backend
 
-// FILL PAGE
+The only officially recognized hosting method is through Docker (or similar container runtimes).
 
-## Method 1 - docker
+It can be scaled horizontally to all your heart's content.
 
-// EXPLAIN HOW TO DEPLOY WITH DOCKER
+For configuration, check out the [configuration reference](2.configuration.md).
+
+::alert{type="info"}
+The postgres database will need to be populated with [migrations](0.introduction.md) if `postgres.migrateOnBoot` isn't enabled.
+::
+
+## Method 1 - Docker
+
+For other versions, [check out the package page](https://github.com/movie-web/backend/pkgs/container/backend).
+
+```sh
+docker run \
+    -p 80:80 \
+    -e POSTGRES__CONNECTION=postgresql://localhost:5432 \
+    -e CRYPTO__SESSION_SECRET=add-your-own-secret \
+    -e META__NAME=unofficial-movie-web \
+    ghcr.io/movie-web/backend:latest
+```