Docker Study

This is abstract.

Vedio: https://youtu.be/3c-iBn73dDE

What is a Container?

https://hub.docker.com/

Docker Image and Container.

Install Docker

https://docs.docker.com/get-docker/

Main Docker Commands

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# DOCKER
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docker run -d -p 6000:6854 --name containername images
docker exec -it [container-id] /bin/bash
docker build -t friendlyname .              # Create image using this directory's Dockerfile
docker run -p 4000:80 friendlyname          # Run "friendlyname" mapping port 4000 to 80
docker run -d -p 4000:80 friendlyname       # Same thing, but in detached mode
docker exec -it [container-id] bash         # Enter a running container
docker ps                                   # See a list of all running containers
docker stop <hash>                          # Gracefully stop the specified container
docker ps -a                                # See a list of all containers, even the ones not running
docker kill <hash>                          # Force shutdown of the specified container
docker rm <hash>                            # Remove the specified container from this machine
docker rm $(docker ps -a -q)                # Remove all containers from this machine
docker images -a                            # Show all images on this machine
docker rmi <imagename>                      # Remove the specified image from this machine
docker rmi $(docker images -q)              # Remove all images from this machine
docker logs <container-id> -f               # Live tail a container's logs
docker login                                # Log in this CLI session using your Docker credentials
docker tag <image> username/repository:tag  # Tag <image> for upload to registry
docker push username/repository:tag         # Upload tagged image to registry
docker run username/repository:tag          # Run image from a registry
docker system prune                         # Remove all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes. (Docker 17.06.1-ce and superior)
docker system prune -a                      # Remove all unused containers, networks, images not just dangling ones (Docker 17.06.1-ce and superior)
docker volume prune                         # Remove all unused local volumes
docker network prune                        # Remove all unused networks


##############################################################################
# DOCKER COMPOSE
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docker-compose up                               # Create and start containers
docker-compose up -d                            # Create and start containers in detached mode
docker-compose down                             # Stop and remove containers, networks, images, and volumes
docker-compose logs                             # View output from containers
docker-compose restart                          # Restart all service
docker-compose pull                             # Pull all image service
docker-compose build                            # Build all image service
docker-compose config                           # Validate and view the Compose file
docker-compose scale <service_name>=<replica>   # Scale special service(s)
docker-compose top                              # Display the running processes
docker-compose run -rm -p 2022:22 web bash      # Start web service and runs bash as its command, remove old container.

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# DOCKER SERVICES
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docker service create <options> <image> <command>   # Create new service
docker service inspect --pretty <service_name>      # Display detailed information Service(s)
docker service ls                                   # List Services
docker service ps                                   # List the tasks of Services
docker service scale <service_name>=<replica>       # Scale special service(s)
docker service update <options> <service_name>      # Update Service options


##############################################################################
# DOCKER STACK
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docker stack ls                                 # List all running applications on this Docker host
docker stack deploy -c <composefile> <appname>  # Run the specified Compose file
docker stack services <appname>                 # List the services associated with an app
docker stack ps <appname>                       # List the running containers associated with an app
docker stack rm <appname>                       # Tear down an application


##############################################################################
# DOCKER MACHINE
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docker-machine create --driver virtualbox myvm1                           # Create a VM (Mac, Win7, Linux)
docker-machine create -d hyperv --hyperv-virtual-switch "myswitch" myvm1  # Win10
docker-machine env myvm1                                                  # View basic information about your node
docker-machine ssh myvm1 "docker node ls"                                 # List the nodes in your swarm
docker-machine ssh myvm1 "docker node inspect <node ID>"                  # Inspect a node
docker-machine ssh myvm1 "docker swarm join-token -q worker"              # View join token
docker-machine ssh myvm1                                                  # Open an SSH session with the VM; type "exit" to end
docker-machine ssh myvm2 "docker swarm leave"                             # Make the worker leave the swarm
docker-machine ssh myvm1 "docker swarm leave -f"                          # Make master leave, kill swarm
docker-machine start myvm1                                                # Start a VM that is currently not running
docker-machine stop $(docker-machine ls -q)                               # Stop all running VMs
docker-machine rm $(docker-machine ls -q)                                 # Delete all VMs and their disk images
docker-machine scp docker-compose.yml myvm1:~                             # Copy file to node's home dir
docker-machine ssh myvm1 "docker stack deploy -c <file> <app>"            # Deploy an app

docker build —pull —rm -f “DockerFile” -t mydocker:latest ./