services: db: image: postgres environment: - POSTGRES_USER=zahlenraten - POSTGRES_PASSWORD=CYrcTzCEKyDtq&N0M - POSTGRES_DB=game ports: - "5432:5432" volumes: - pgdata:/var/lib/postgresql/data - ./init.sql:/docker-entrypoint-initdb.d/init.sql networks: - backend GeoTrack: build: . ports: - "8000:5000" networks: - backend networks: backend: volumes: pgdata: