Docker-class

The leandro2r/docker-class is already hosted in Docker hub.

$ docker pull leandro2r/docker-class

Image build

$ docker build -t <image-name> .

Example:

$ docker build -t docker-class:0.0.1 .

Container run (when the container is not started)

$ docker run -e ENV=VAL -it <existing-image-name> sh
$ docker run --name <container-name> -d <existing-image-name>

Example:

$ docker run -e DB_HOST=elastic -it docker-class:0.0.1 sh
$ docker run --name docker-class_container -d docker-class:0.0.1

Container access/command run (when it's already started)

$ docker exec -it <contaner-name> sh
$ docker exec -it <contaner-name> date

Example:

$ docker exec -it docker-class_container sh
$ docker exec -it docker-class_container date

Docker-compose

$ docker-compose up -d
$ docker-compose pull

Swarm cluster creation

$ docker swarm init --advertise-addr <ip-address>
# Docker swarm token to join the cluster
$ docker swarm join-token -q manager
$ docker swarm join --token <token> <init-ip-address>:2377
$ docker node promote <node-hostname>

Example:

$ docker swarm init --advertise-addr 192.168.200.178
$ docker swarm join --token <join-token> 192.168.200.178:2377
$ docker node promote docker-class

Swarm node label set

$ docker node update --label-add <label>=<value> <node-hostname>
$ docker node inspect --pretty <node-hostname>

Example:

$ docker node update --label-add master=true $(hostname)
$ docker node inspect --pretty self

Swarm stack deploy

$ docker stack deploy --compose-file=<docker-compose-file> <stack-name>

Example:

$ docker stack deploy --compose-file=docker-compose.yml class_stack

Swarm stack list and logs

$ docker service ls
$ docker service logs <service-name> --no-trunc -f

Example:

$ docker service ls
$ docker service logs class_stack_api --no-trunc -f

Docker help

$ docker --help
$ docker-compose --help

• Docker docs
• Docker-compose docs