data: build: docker/postgres environment: PGUSER: bactdb_user PGPASSWORD: bactdb_pass PGDB: bactdbtest volumes: - /var/lib/postgresql/data command: true db: image: bactdb_data environment: PGUSER: bactdb_user PGPASSWORD: bactdb_pass PGDB: bactdbtest ports: - "5432:5432" volumes_from: - data app: build: . environment: PGUSER: bactdb_user PGPASSWORD: bactdb_pass PGDB: bactdbtest ports: - "8901:8901" volumes: - .:/bactdb links: - db