version: "3.8" services: backend: build: backend secrets: - db-password depends_on: - db volumes: - ./src:/var/www/html # this part seems repetitive (jb) db: image: mysql:8.0.19 command: '--default-authentication-plugin=mysql_native_password' restart: always secrets: - db-password volumes: - db-data:/var/lib/mysql environment: - MYSQL_DATABASE=example - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db-password proxy: build: proxy ports: - 80:80 depends_on: - backend volumes: - ./src:/var/www/html # this part seems repetitive (jb) volumes: db-data: secrets: db-password: file: db/password.txt