How To Install Docker Compose on CentOS 7

r00t October 12, 2017

Install Docker Compose on CentOS 7

In this tutorial we will show you how to install Docker Compose on your CentOS 7 server. For those of you who didn’t know, Docker Compose is a command line tool to define and configure multi-container docker applications. In other words we can say docker compose is used to link multiple containers and deploy application from a single command.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation Docker Compose on a CentOS 7 server.

Install Docker Compose on CentOS 7

Step 1. First let’s start by ensuring your system is up-to-date.

Step 2. Installing Docker using YUM.

Docker is included by default in the CentOS-Extras repository. To install run the following command:

Start and enable Docker service:

And verify your work by checking the status of Docker:

Step 3. Installing Docker Compose.

Once Docker has been installed, install Docker Compose. First of all, install the EPEL repository by executing the command:

Then you can install Docker Compose:

You will also need to upgrade your Python packages on CentOS 7 to get docker-compose to run successfully:

Check Docker Compose version with the following command:

Step 4. Testing Docker Compose.

Now that we have Docker Compose installed, let’s test it with this really simple example, Create a new directory and move into it:

Create a new YAML file:

In this file paste the following content:

Next, execute the following command in the hello-world directory:

The output should start with the following:

Docker containers only run as long as the command is active, so the container will stop when the test finishes running.

Congratulation’s! You have successfully installed Docker Compose. Thanks for using this tutorial for installing Docker Compose on your CentOS 7 system. For additional help or useful information, we recommend you to check the official Docker web site.

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