Docker and Docker Compose

Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers.

Ubuntu 24.04 LTS

Docker install

$ sudo apt update && sudo apt upgrade

$ sudo apt install curl apt-transport-https ca-certificates software-properties-common
$ sudo apt install docker.io
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
$ echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
$ sudo apt update
$ sudo apt install docker-ce -y

$ sudo systemctl status docker
$ docker version

Docker compose plugin

$ sudo apt update && sudo apt upgrade

$ sudo apt install docker-compose-plugin
$ mkdir -p ~/.docker/cli-plugins/
$ curl -SL https://github.com/docker/compose/releases/download/v2.2.27/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
$ ls -lh ~/.docker/cli-plugins
$ chmod +x  ~/.docker/cli-plugins/docker-compose
$ docker compose version

Run Docker compose

$ docker compose up -d
docker compose pause
docker compose unpause
docker compose stop
docker compose down

Add user to Docker group

$ sudo usermod -aG docker $USER
$ newgrp
$ groups cherry

Centos 7

$ sudo yum install docker
$ sudo systemctl start docker
$ sudo systemctl enable docker
$ docker version
$ docker info

Configure the source

$  sudo vim /etc/docker/daemon.json
{
    "registry-mirrors": ["https://registry.docker-cn.com"]
}
$ sudo systemctl daemon-reload
$ sudo systemctl restart docker

Configure

$ cd /var/lib/docker

Docker hub

# docker loging
# docker logout
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