Containers How To

How to install Docker (Windows Platform)

• Login to the machine using privileged account
• Download the latest Docker build from:

https://download.docker.com/win/edge/Docker%20Desktop%20Installer.exe

How to install Docker (Ubuntu)

• Login to the machine using privileged account
• Follow the instructions below:

https://docs.docker.com/install/linux/docker-ce/ubuntu/

How to install Docker (RHEL / CentOS)

• Login to the machine using privileged account
• Follow the instructions below:

https://docs.docker.com/install/linux/docker-ce/centos/

Common Docker commands

• Check the Docker version:

docker --version

• Pull and run “hello-world” image from Docker hub: docker run hello-world • List images: docker images • List all images: docker image ls • Pull an image from Docker hub: docker image pull alpine • Remove Docker image (by image name) from the local machine: docker image rm nginx • List all containers: docker container ls --all • List active containers: docker ps • List all container processes (same as docker container ls command) docker ps --all • Pull nginx web server from Docker hub and run it on port 80 on the local machine: docker run --detach --publish 80:80 --name webserver nginx Note: Open browser and enter the URL http://localhost to make sure the web server is working • Start a container in the background: docker run -d jenkins • Start an interactive shell command from a container (by image name): docker run -it nginx bash • Mount a folder from the local machine into a docker container, and map port 8080 locally to port 80 on the container (container name nginx): docker run -v /full/path/to/html/directory:/usr/share/nginx/html:ro -p 8080:80 -d nginx • Stop running container (by container name) from the local machine: docker container stop webserver • Start (a stopped) docker container (by container name) on the local machine: docker container start webserver • Kill all running containers: docker kill $(docker ps -q) • Remove all stopped containers: docker rm $(docker ps -a -q) • Remove container (by container name) from the local machine: docker container rm webserver • View logs from a running container (by container name): docker container logs webserver • Show live logs of running container: docker logs -f c7337 • View top processes inside a container (by container name): docker container top webserver • Show exposed ports of a container: docker port c7337