db.env

WA_DB_ENGINE=MYSQL
WA_DB_HOSTNAME=db
WA_DB_PORT=3306
WA_DB_USERNAME=root
WA_DB_PASSWORD=testpass

docker-compose.yml

version: '3'

volumes:
  whatsappMedia:
    driver: local

services:
  db:
    image: mysql:5.7.22
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: testpass
      MYSQL_USER: testuser
      MYSQL_PASSWORD: testpass
    expose:
        - "33060"
    ports:
        - "33060:3306"
    network_mode: bridge
  wacore:
    image: docker.whatsapp.biz/coreapp:v${WA_API_VERSION:-2.21.4}
    command: ["/opt/whatsapp/bin/wait_on_mysql.sh", "/opt/whatsapp/bin/launch_within_docker.sh"]
    volumes:
     - whatsappMedia:/usr/local/wamedia
    env_file:
      - db.env
    environment:
      # This is the version of the docker templates being used to run WhatsApp Business API
      WA_RUNNING_ENV_VERSION: v2.2.1
      ORCHESTRATION: DOCKER-COMPOSE
    depends_on:
      - "db"
    network_mode: bridge
    links:
      - db
  waweb:
    image: docker.whatsapp.biz/web:v${WA_API_VERSION:-2.21.4}
    command: ["/opt/whatsapp/bin/wait_on_mysql.sh", "/opt/whatsapp/bin/launch_within_docker.sh"]
    ports:
     - "9090:443"
    volumes:
     - whatsappMedia:/usr/local/wamedia
    env_file:
      - db.env
    environment:
      WACORE_HOSTNAME: wacore
      # This is the version of the docker templates being used to run WhatsApp Business API
      WA_RUNNING_ENV_VERSION: v2.2.1
      ORCHESTRATION: DOCKER-COMPOSE
    depends_on:
      - "db"
      - "wacore"
    links:
      - db
      - wacore
    network_mode: bridge