Change docker-compose to remove dedicated mongodb

docker-compose.yml

@@ -1,15 +1,3 @@
-## Portainer stack for dndextended.
-## Env vars come from Portainer stack env or a .env file in the same dir.
-##
-## Required env:
-##   MONGODB_URI      - mongodb://mongo:27017/dndextended (or external cluster)
-##   AUTH_SECRET      - openssl rand -base64 32
-##   AUTH_URL         - public URL (https://dnd.example.com)
-##   AUTH_TRUST_HOST  - true (behind Traefik/nginx/Pinggy)
-##
-## Optional:
-##   MONGO_ROOT_USER, MONGO_ROOT_PASSWORD - if you want mongo auth (recommended in prod)
-
 services:
   app:
     build:
@@ -23,34 +11,4 @@ services:
     environment:
       NODE_ENV: production
       MONGODB_URI: ${MONGODB_URI:-mongodb://mongo:27017/dndextended}
-      AUTH_SECRET: ${AUTH_SECRET}
+      AUTH_SECRET: ${AUTH_SECRET}
-    depends_on:
-      mongo:
-        condition: service_healthy
-    networks:
-      - dnd
-
-  mongo:
-    image: mongo:7
-    container_name: dndextended-mongo
-    restart: unless-stopped
-    volumes:
-      - mongo_data:/data/db
-    environment:
-      MONGO_INITDB_ROOT_USERNAME: ${MONGO_ROOT_USER:-}
-      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_ROOT_PASSWORD:-}
-    healthcheck:
-      test: ["CMD", "mongosh", "--quiet", "--eval", "db.adminCommand('ping').ok"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-      start_period: 20s
-    networks:
-      - dnd
-
-volumes:
-  mongo_data:
-
-networks:
-  dnd:
-    driver: bridge