Link 2 Container

Link Container
1. docker run -d --name mongo mongo
2. docker run -d --link mongo:mongodb
              -p 3000:3000
              --name express-app
              -v D:/DockerDemo/03/NodeExpressMongoDBDockerApp:/var/www
              irobust/node-mongo
3. docker exec express-app node dbSeeder.js

Custom Network
1. docker network create --driver bridge nodeapp-network
2. docker run -d --name mongo --net nodeapp-network mongo
3. docker run -d --name express-app
              -p 3000:3000
              -e NODE_ENV=development
              -v D:/DockerDemo/03/NodeExpressMongoDBDockerApp:/var/www
              --net nodeapp-network irobust/node-mongo
4. docker network inspect nodeapp-network
5. docker exec express-app node dbSeeder.js