root: allow customisation of ports in compose without override

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

docker-compose.yml

@@ -35,8 +35,8 @@ services:
     env_file:
       - .env
     ports:
-      - "0.0.0.0:9000:9000"
-      - "0.0.0.0:9443:9443"
+      - "0.0.0.0:${AUTHENTIK_PORT_HTTP:-9000}:9000"
+      - "0.0.0.0:${AUTHENTIK_PORT_HTTPS:-9443}:9443"
   worker:
     image: ${AUTHENTIK_IMAGE:-ghcr.io/goauthentik/server}:${AUTHENTIK_TAG:-2021.12.5}
     restart: unless-stopped

website/docs/installation/docker-compose.md

@@ -67,20 +67,15 @@ The GeoIP database will automatically be updated every 8 hours.
 
 ## Running on Port 80/443
 
-By default, authentik listens on port 9000 for HTTP and 9443 for HTTPS. To change this, you can use a [docker-compose override file](https://docs.docker.com/compose/extends/#adding-and-overriding-configuration).
+By default, authentik listens on port 9000 for HTTP and 9443 for HTTPS. To change this, you can set the following variables in `.env`:
 
-Create a file called `docker-compose.override.yml` with the following contents:
-
-```yaml
-version: '3.2'
-
-services:
-  server:
-    ports:
-      - "0.0.0.0:80:9000"
-      - "0.0.0.0:443:9443"
+```shell
+AUTHENTIK_PORT_HTTP=80
+AUTHENTIK_PORT_HTTPS=443
 ```
 
+Afterwards, make sure to run `docker-compose up -d`.
+
 ## Startup
 
 Afterwards, run these commands to finish