Add documentation. Debugging and porting still missing. Initial setup explained

README.md

@@ -40,6 +40,10 @@ The following settings are required to be adapted:
 - `DJANGO_SECRET_KEY`: Provide a secret, and randomly generated key. Do not share this with anybody!
 - `DJANGO_ALLOWED_HOST`: Set this to the domain, the application will be reached at. E.g: `lab.example.com`
 - `DJANGO_MEDIA_URL`: Set this to the media URL at which your webserver serves the `DJANGO_MEDIA_VOL` diretory. E.g: `media.lab.example.com/` Note the **slash at the end**. It is important.
+- `DJANGO_USER_ID`: The user ID to run the application inside the docker container. This is the user id, that is used to write the to `DJANGO_STATIC_VOL` and `DJANGO_MEDIA_VOL`. Make sure the user has access.
+- `DJANGO_USER_GID`: The group ID to run the application inside the docker container. This is the group id, that is used to write the to `DJANGO_STATIC_VOL` and `DJANGO_MEDIA_VOL`.
+
+> Note: It is not recommended to run the docker container without a set `DJANGO_USER_ID` and `DJANGO_USER_GID`. It will default to `0 (root)`.
 
 Once the environment is set up, the docker containers can be built and started. Run
 ```
@@ -166,7 +170,7 @@ server {
         ssl_prefer_server_ciphers on;
 
         ssl_session_cache    shared:SSL:1m;
-    ssl_session_timeout  5m;
+        ssl_ession_timeout  5m;
 
         ssl_ciphers  HIGH:!aNULL:!MD5;
         error_page 502 /lab_down.html;

compose.yaml

@@ -5,7 +5,7 @@ services:
   shimatta-kenkyusho-web:
     <<: *restart_policy
     build: .
-    user: "${DJANGO_USER_ID}:${DJANGO_USER_GID}"
+    user: "${DJANGO_USER_ID:-0}:${DJANGO_USER_GID:-0}"
     volumes:
       - "${DJANGO_STATIC_VOL:-./run/static}:/var/static"
       - "${DJANGO_MEDIA_VOL:-./run/media}:/var/media"