Installing Docker

Install docker which automates the deployment of applications inside containers.

1. Remove conflict packages with docker first.

   dnf -y remove podman runc

2. Download and install the docker package.

   curl https://download.docker.com/linux/centos/docker-ce.repo \
   -o /etc/yum.repos.d/docker-ce.repo
   
   sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/docker-ce.repo
   dnf --enablerepo=docker-ce-stable -y install docker-ce

3. Enable docker.

   systemctl enable --now docker

4. Verify whether docker is installed.
   Check the docker version.

   docker version

   An output example:

   Client: Docker Engine - Community
    Version:           24.0.7
    API version:       1.43
    Go version:        go1.20.10
    Git commit:        afdd53b
    Built:             Thu Oct 26 09:09:18 2023
    OS/Arch:           linux/amd64
    Context:           default
   
   Server: Docker Engine - Community
    Engine:
     Version:          24.0.7
     API version:      1.43 (minimum version 1.12)
     Go version:       go1.20.10
     Git commit:       311b9ff
     Built:            Thu Oct 26 09:08:20 2023
     OS/Arch:          linux/amd64
     Experimental:     false
    containerd:
     Version:          1.6.24
     GitCommit:        61f9fd88f79f081d64d6fa3bb1a0dc71ec870523
    runc:
     Version:          1.1.9
     GitCommit:        v1.1.9-0-gccaecfc
    docker-init:
     Version:          0.19.0
     GitCommit:        de40ad0