Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. The service has both free and premium tiers. The software that hosts the containers is called Docker Engine. It was first started in 2013 and is developed by Docker
In this tutorial, we will show you how to install Docker Compose on CentOS 8.
How to Install Docker and Compose on CentOS 8
Follow the following steps to install docker and docker compose on centOS 8:
- Step 1 – Update System Packages
- Step 2 – Add Docker Repository
- Step 3 – Install Docker
- Step 4 – Start And Enable Docker
- Step 5 – Verify Docker Installation
- Step 6 – Install Docker Compose
- Step 7 – Uninstallation Docker Compose
Step 1 – Update System Packages
Open a terminal and execute the following command on the terminal to update system packages:
# dnf update -y
Step 2 – Add Docker Repository
Then execute the following command on terminal to add Docker-CE repository to system:
# dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
Step 3 – Install Docker
Install the latest version of docker by executing the following command on terminal:
# dnf install docker-ce --nobest
Step 4 – Start And Enable Docker
Execute the following command on the terminal to start and enable docker:
# systemctl start docker # systemctl enable docker
Step 5 – Verify Docker Installation
Verify the docker version by executing the following command on terminal:
# docker --version Docker version 19.03.6, build 369ce74a3c
Step 6 – Install Docker Compose
Docker Compose is not available in the CentOS 8 default repository. We need to download it from the Git.
Install the curl command.
# dnf install curl
Download the latest version of Docker Compose.
# curl -L https://github.com/docker/compose/releases/download/1.25.4/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
We can check the lastest releases here.
Note: If the command docker-compose fails after installation, check your path. We can also create a symbolic link to /usr/bin or any other directory in path.
# ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
Test the installation.
# docker-compose --version docker-compose version 1.25.4, build 8d51620a
Step 7 – Uninstallation Docker Compose
To uninstall Docker Compose using curl by executing the following command on terminal:
# rm /usr/local/bin/docker-compose # dnf remove docker-ce
Conclusion
In this tutorial, we have learned how to install Docker Compose on CentOS 8.
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