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Related to install docker ubuntu


Install Docker on Debian 11 bullseye system

This article covers how to install Docker engine on the Debian 11 bullseye system. In fact, Docker is a toolset to build applications and CI/CD pipelines to build, ship and run your applications in containers.

Install Docker in Ubuntu 20.04 and Run Nginx Container - Step by Step Process ?

This article covers how to install docker, pull docker images from docker hub and run an application in a container. Also, you will learn how to create persistent data storage and map with docker containers.

The open-source Docker platform contains a docker engine, a runtime environment that is used to execute, builds, and orchestrates containers. 


Facts about Docker Compose configurations file:

1. version: Compose file version which is compatible with the Docker Engine. You can check compatibility here.

2. image: We use latest Nginx and Certbot images available in Docker hub.

volumes:

3. public: we have configured this directory to be synced with the directory we wish to use as the web root inside the container.

4. conf.d: here we will place the Nginx configuration file to be synced with the default Nginx conf.d folder inside the container.

5. certbot/conf: this is where we will receive the SSL certificate and this will be synced with the folder we wish to inside the container.

6. ports: configure the container to listen upon the listed ports.

7. command: the command used to receive the SSL certificate.


To Start Docker Containers:

You need to pass the -d flag which starts the container in background and leaves them running.

$ docker-compose up -d

Install Docker Compose on Ubuntu 20.04 - Step by step process to perform it ?

This article covers how to install and run Docker Compose on your Ubuntu 20.04 LTS machine. Docker Compose is yet another useful Docker tool. It allows users to launch, execute, communicate, and close containers with a single coordinated command. Essentially, Docker Compose is used for defining and running multi-container Docker applications.


To Install Docker Compose on Ubuntu:

1. Start by updating the default repository to ensure you download the latest Docker Compose:

$ sudo apt update

2. Then, upgrade the system to ensure all local packages and programs are up to date:

$ sudo apt upgrade

3. Then install Docker Compose from the Ubuntu repository by running:

$ sudo apt install docker-compose


To install Install curl on Ubuntu:

To download the binary package using an URL, you need curl. You can check whether you have this command-line utility by typing in the terminal window:

$curl

If the output displays "try 'curl --help' or 'curl --manual' for more information", move on to the next step. 

This message means curl is installed.

However, if the terminal says "command not found", you need to install curl with:

$ sudo apt install curl


To Check Docker Compose Version on Ubuntu:

To verify the installation, check the Docker Compose version by running:

$ docker–compose –version


To uninstall Docker Compose on Ubuntu:

Uninstalling Docker Compose from your Ubuntu system is a simple 3-step process.

1. Delete the Binary

First, delete the binary with the command:

$ sudo rm /usr/local/bin/docker-compose

2. Uninstall the Package

Then, use the apt remove command to uninstall the software:

$ sudo apt remove docker-compose

3. Remove Software Dependencies

Finally, remove the unwanted software dependencies by running:

$ sudo apt autoremove