Local .env logic for webpack custom port

dev.yml

@@ -1,27 +1,35 @@
-version: '2'
+version: '3'
 
 services:
-
   front:
     build: front
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     environment:
       - "HOST=0.0.0.0"
+      - "WEBPACK_DEVSERVER_PORT=${WEBPACK_DEVSERVER_PORT-8080}"
     ports:
-      - "8080:8080"
+      - "${WEBPACK_DEVSERVER_PORT-8080}:${WEBPACK_DEVSERVER_PORT-8080}"
     volumes:
       - './front:/app'
 
   postgres:
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     image: postgres
 
   redis:
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     image: redis:3.0
 
   celeryworker:
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     build:
       context: ./api
       dockerfile: docker/Dockerfile.test
@@ -41,7 +49,9 @@ services:
       - ./api:/app
       - ./data/music:/music
   api:
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     build:
       context: ./api
       dockerfile: docker/Dockerfile.test
@@ -62,7 +72,9 @@ services:
       - redis
 
   nginx:
-    env_file: .env.dev
+    env_file:
+      - .env.dev
+      - .env
     image: nginx
     links:
       - api