docker build . -t nodeapp
docker run --hostname nodeapp1 --name nodeapp1 -d nodeapp
docker run --hostname nodeapp2 --name nodeapp2 -d nodeapp
docker run --hostname nodeapp3 --name nodeapp3 -d nodeapp
docker run --hostname ng1 --name ng1 -p 80:8080 -v $(pwd)/nginx.conf:/etc/nginx/nginx.conf -d nginx
docker network create backendnet
docker network connect backendnet nodeapp1
docker network connect backendnet nodeapp2
docker network connect backendnet nodeapp3
docker network connect backendnet nginx
docker run --hostname ng1 --name ng1 -p 80:8080 -v $(pwd)/tcp.conf:/etc/nginx/nginx.conf -d nginx
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