Docker

Install docker You need to install docker first before get started. Take fedora as an example, just simply run these command: # First, remove old docker packages sudo dnf remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-selinux \ docker-engine-selinux \ docker-engine # Install latest docker via dnf package manager # Set up the repository sudo dnf -y install dnf-plugins-core sudo dnf config-manager \ --add-repo \ https://download....

This post is just a simple note. More detail in this video: https://www.youtube.com/watch?v=3c-iBn73dDE Difference Image and Container CONTAINER is a running environment for IMAGE virtual file system port blinded: talk to application running inside of container application image: postgres, redis, mongo, … redis in dockerhub are images docker pull postgres docker pull redis # lists installed images docker images docker run redis # `-d` means running in detached mode docker run -d redis # lists running container docker ps # lists running and stopped container docker ps -a # stops the container docker stop <CONTAINER ID> # start the container docker start <CONTAINER ID> # pulls image and starts container docker run redis:4....