Also update hostname of new instances
Also update hostname of new instances

rdisanto/play-with-docker,franela/play-with-docker,bingohuang/docker-labs,rdisanto/play-with-docker,so0k/play-with-docker,rdisanto/play-with-docker,play-with-docker/play-with-docker,polyverse-security/play-with-polyverse,so0k/play-with-docker,play-with-docker/play-with-docker,polyverse-security/play-with-polyverse,play-with-docker/play-with-docker,polyverse-security/play-with-polyverse,rdisanto/play-with-docker,bingohuang/docker-labs,franela/play-with-docker,franela/play-with-docker,polyverse-security/play-with-polyverse,franela/play-with-docker,play-with-docker/play-with-docker,so0k/play-with-docker,so0k/play-with-docker,bingohuang/docker-labs,bingohuang/docker-labs,rdisanto/play-with-docker