env from file

docker-compose.yaml

@@ -13,10 +13,10 @@ services:
     image: nginx
     volumes:
       - ./nginx.conf:/etc/nginx/nginx.conf:ro
-    links:
-      - app
     volumes_from:
       - app
+    links:
+      - app
     environment:
       - VIRTUAL_HOST
     networks:
@@ -27,10 +27,7 @@ services:
     restart: always
     volumes:
       - ./data/postgres:/var/lib/postgresql/data
-    environment:
-      POSTGRES_USER: peertube
-      POSTGRES_PASSWORD: peertube
-      POSTGRES_DB: peertube
+    env_file: .env
     networks:
       - back
   redis: