version: '3' services: app: build: . restart: always ports: - '8080:8080' links: - db environment: - MONGODB_CONNECTION_URL=mongodb://matsuya:matsuya@db:27017/matsuya - MONGODB_DATABASE_NAME=matsuya db: build: ./migration restart: always environment: - MONGO_INITDB_DATABASE=matsuya volumes: - './db:/data/db'