sudo docker build -t PROJECT_NAME .

db:
    image: mysql
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    networks:
      - webnet
    environment:
      MYSQL_ROOT_PASSWORD: passwordroot

Unhandled rejection SequelizeConnectionError: Client does not support authentication protocol requested byserver; consider upgrading MySQL client

const sequelize = new Sequelize(
  process.env.TEST_DB || process.env.MYSQL_DATABASE,
  'root',
  process.env.MYSQL_ROOT_PASSWORD,
  {
    host: process.env.DB_HOST || 'localhost',
    operatorsAliases: Sequelize.Op,
    dialect: 'mysql',
    define: {
      underscored: true
    }
  }
);

web:
    image: PROJECT_NAME
    ports:
      - 8080:8080
    networks:
      - webnet
    environment:
      DB_HOST: db
    command: ["./wait-for-it.sh", "mysql:3306", "--", "node", "index.js"]