services: db: image: mysql:8.0.19 command: '--default-authentication-plugin=mysql_native_password' restart: always healthcheck: test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "--silent"] interval: 3s retries: 5 start_period: 30s secrets: - db-password volumes: - db-data:/var/lib/mysql networks: - backnet environment: - MYSQL_DATABASE=example - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db-password expose: - 3306 - 33060 backend: build: backend restart: always secrets: - db-password ports: - 5000:5000 networks: - backnet - frontnet depends_on: db: condition: service_healthy proxy: build: proxy restart: always ports: - 80:80 depends_on: - backend networks: - frontnet volumes: db-data: secrets: db-password: file: db/password.txt networks: backnet: frontnet: