version: "3.7" services: db: image: mysql:8.0.19 command: '--default-authentication-plugin=mysql_native_password' restart: always secrets: - db-password volumes: - db-data:/var/lib/mysql networks: - backnet environment: - MYSQL_DATABASE=example - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db-password backend: build: backend restart: always secrets: - db-password ports: - 5000:5000 networks: - backnet - frontnet proxy: build: proxy restart: always ports: - 80:80 networks: - frontnet volumes: db-data: secrets: db-password: file: db/password.txt networks: backnet: frontnet: