Added .env to docker-compose

docker-compose.yml

@@ -1,14 +1,18 @@
 services:
   backend:
     build: .
+    env_file:
+      - .env
     ports:
-      - "8080:8080"
+      - "${API_PORT}:8080"
     networks:
       - back-net
   frontend:
     build: web/admin-gui/.
+    env_file:
+      - .env
     ports:
-      - "8081:80"
+      - "${FRONT_PORT}:80"
     networks:
       - front-net
   db: