Switch from old compose format, don't hardcode journald (#6186)

Author: danimo

docker-compose.yml

@@ -1,5 +1,4 @@
-version: '3'
-
+---
 services:
   postgres:
     image: postgres:14-alpine3.20
@@ -27,7 +26,7 @@ services:
     ports:
       - 127.0.0.1:5050:3000
     logging:
-      driver: journald
+      driver: ${LOGGING_DRIVER:-journald}
     volumes:
       - ./data/greenlight-v3/storage:/usr/src/app/storage
     depends_on:

sample.env

@@ -118,3 +118,6 @@ LOG_LEVEL=info
 # SERVER_TAG_NAMES=tag1:Name 1,tag2:Name2  # defines available tags and their friendly names
 # SERVER_TAG_ROLES=tag2:xyz-123-321-aaaa-zyx/abc-321-123-zzzz-cba  # allow tag only for given role ids (see role ids in DB)
 # SERVER_TAG_FALLBACK_MODE=required # fallback mode, may be 'desired'/'required' (as global overrides), otherwise room config applies
+
+# Logging Driver
+LOGGING_DRIVER=