config.js

// config.js
module.exports = {
    database: {
      username: 'user',
      password: '1234',
      database: 'chat-app',
      host: 'mysql-container', //'localhost', // 
      dialect: 'mysql',
    },
    jwt_expiry: '6h',
    jwt_secret: "a_strong_secret_key",
    redisConfig : {
      url: 'redis://redis-container:6379', //'redis://localhost:6389', //
    },
    kafkaConfig : {
      host: 'kafka:9092', //'localhost:9092', // 
      topic: {
          CHAT_MESSAGES: "chat-messages",
          CHAT_EVENTS: "chat-events"
        },
    }
  };

// docker run --name mysql-container -e MYSQL_ROOT_PASSWORD=root-pw -e MYSQL_DATABASE=chat-app -e MYSQL_USER=user -e MYSQL_PASSWORD=1234 -d -p 3306:3306 mysql:latest

// docker run --name redis-container -p 6389:6379 -d redis:latest

// docker run -p 2181:2181 zookeeper