Installation of Docker Compose
Last Updated :
04 Jan, 2024
Docker Compose is a powerful tool that helps in simplifying the orchestration of multi-container docker applications. In this we have to configure the application services inside the Yaml file and docker-compose will read the configuration data from that Yaml script.
Before Moving into the installation process, make sure that you have Docker already installed on your system. On activation of the docker service only, we can work on the docker-compose tool because docker-compose works seamlessly alongside docker. It provides an enhancement in the better functionality for managing multi-container setups.
The step-by-step guideline for Installation of the Docker-compose
Step 1: Download Docker Compose
To get started, download the Docker Compose binary from the official GitHub repository. You can use the following `curl` command to retrieve the latest version:
sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)"
-o /usr/local/bin/docker-compose
Try copying the link and run it, in your docker platform as shown in the below figure:

Step 2: Apply Executable Permissions
Make the downloaded binary executable using the following command:
sudo chmod +x /usr/local/bin/docker-compose
Provide the execution permissions on running the above command as shown in the figure and for confirmation you can view the permissions of the file through running the command `ls -ld /usr/local/bin/docker-compose`.

Step 3 - Verify Installation
Ensure that Docker Compose is installed correctly by checking the docker-compose version:
docker-compose --version
Now try on running the above command, if it displays the version of docker-compose then installation has done successfully or else their is a issue in the installation. In the below figure you can see the successful installation result on running the above command. For the help of docker-compose command try on using `docker-compose --help` command through it you can know the commands with its usage.
docker-compose --help

Step 4: Create a Docker Compose File
Docker-compose uses a YAML file to define and configure multi-container applications. Create a docker-compose.yml file in your working directory and define the services, networks, and volumes needed for your application.
Here I provided an example for the yaml file for multi-containers application with some optional adding functionalities , for practice you can try this , While writing the yaml code ensure that identation is properly aligned as it is necessary guideline. It will generate errors while docker-compose reading the lines if it is not properly identated.
version: '3'
services:
web:
image: nginx:latest
ports:
- "80:80"
volumes:
- ./app:/usr/share/nginx/html
networks:
- mynetwork
db:
image: mysql:latest
environment:
MYSQL_ROOT_PASSWORD: examplepassword
MYSQL_DATABASE: mydatabase
MYSQL_USER: myuser
MYSQL_PASSWORD: myuserpassword
networks:
- mynetwork
networks:
mynetwork:
As specified in the above yaml code , I have created a yaml file with name docker-compose.yml through vim and copied the above specified code in it. You can see that in the below figure with highlighted text with green color.

Step 5: Run Your Docker Compose Application
Navigate to the directory containing your `docker-compose.yml` file and try on running the following command to start your application:
docker-compose up
On running the created docker-compose yaml code file with the above displayed command , it will launch the multi-docker containers automatically as per the specifications specified with the docker-compose.

To run your application in the background, add the `-d` flag:
docker-compose up -d
Step 6: Stop and Remove Containers
To stop and remove the containers created by Docker Compose, use the following command:
docker-compose down
This will stop and remove the containers, networks, and volumes defined in your `docker-compose.yml` file.
In the below figure you can see , once the `docker-compose down` command is entered it immediately removing the running containers to the stop mode. You can check it status through the `docker-compose ps` command. I hope through this practical example you understand the workflow of docker-compose , Try on doing it practical to get hands on experience on docker-compose software. Know more docker commands.

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Conclusion
Installing and working with Docker-compose opens up a wide of possibilities for efficiently managing complex multi-container applications. By following above steps you can easily integrate docker compose with your docker workflow making well management of deployment applications.
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