version: "3.4" services: app: build: context: . target: production restart: on-failure depends_on: [database] ports: ["8000:8000"] environment: - MARIADB_HOST=database - MARIADB_DATABASE - MARIADB_USER - MARIADB_PASSWORD networks: [haldis] database: image: mariadb:10.8 hostname: database restart: on-failure environment: - MARIADB_DATABASE - MARIADB_ROOT_PASSWORD - MARIADB_USER - MARIADB_PASSWORD networks: [haldis] volumes: [haldis_data:/var/lib/mysql] networks: haldis: volumes: haldis_data: