Docker: variavel de ambiente do app

docker-compose.yml

@@ -17,6 +17,14 @@ services:
     build:
       context: ./ 
       dockerfile: Dockerfile
+
+    environment:
+      DB_ENGINE: "${DB_ENGINE}"
+      DB_HOST: "${DB_HOST}"
+      DB_PORT: "${DB_PORT}"
+      DB_NAME: "${DB_NAME}"
+      DB_USER: "${DB_USER}"
+      DB_PASSWORD: "${DB_PASSWORD}"
     ports:
       - "8000:8000"