More cleanup of docker-compose

examples/docker-compose.example.yml

@@ -10,8 +10,7 @@ services:
     container_name: romm
     restart: unless-stopped
     environment:
-      - DB_HOST=mariadb
-      - DB_PORT=3306
+      - DB_HOST=romm-db
       - DB_NAME=romm # Should match MYSQL_DATABASE in mariadb
       - DB_USER=romm-user # Should match MYSQL_USER in mariadb
       - DB_PASSWD= # Should match MYSQL_PASSWORD in mariadb
@@ -20,8 +19,7 @@ services:
       - ROMM_AUTH_SECRET_KEY= # Generate a key with `openssl rand -hex 32`
       - ROMM_AUTH_USERNAME=admin
       - ROMM_AUTH_PASSWORD= # default: admin
-      - REDIS_HOST=redis
-      - REDIS_PORT=6379
+      - REDIS_HOST=romm-redis
     volumes:
       - romm_resources:/romm/resources" # Resources fetched from IGDB (covers, screenshots, etc.)
       - "/path/to/library:/romm/library" # Your game library
@@ -31,12 +29,12 @@ services:
     ports:
       - 80:8080
     depends_on:
-      - mariadb
-      - redis
+      - romm-db
+      - romm-redis
 
-  mariadb:
+  romm-db:
     image: mariadb:latest
-    container_name: mariadb
+    container_name: romm-db
     restart: unless-stopped
     environment:
       - MYSQL_ROOT_PASSWORD= # Use a unique, secure password
@@ -45,12 +43,8 @@ services:
       - MYSQL_PASSWORD=
     volumes:
       - mysql_data:/var/lib/mysql
-    ports:
-      - 3306:3306
 
-  redis:
+  romm-redis:
     image: redis:alpine
-    container_name: redis
+    container_name: romm-redis
     restart: unless-stopped
-    ports:
-      - 6379:6379