Installing docker on digitalocean droplet is an easy process nowadays. We are here with the steps.

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Let’s go over how we assisted one of our customers in installing Docker in a DigitalOcean droplet.

Install Docker on Digitalocean Droplet

Docker is an application that makes managing application processes in containers much easier. We can run our applications in resource-isolated processes thanks to containers. Containers are similar to virtual machines, but they’re more portable, resource-efficient, and reliant on the host operating system.

Installing Docker

On Ubuntu/Debian:

It’s possible that the Docker installation package in the official Debian repository isn’t the most recent version. So, we’ll install Docker from the official Docker repository to ensure we get the most recent version. To accomplish this, we will create a new package source, add the Docker GPG key to verify downloads, and then install the package.

• Firstly, make sure the package list is up to date:

  sudo apt update

• Secondly, install a few prerequisite packages which let apt use packages over HTTPS:

  sudo apt install apt-transport-https ca-certificates curl gnupg2 software-properties-common

• Then add the official Docker repository’s GPG key to our system:

  curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

• Do the following to add the Docker repository to APT sources:

  sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"

• Then, add the Docker packages from the newly added repo to the package database:

  sudo apt update

• Make sure we’re installing from the Docker repository rather than the default Debian repository:

  apt-cache policy docker-ce

• Finally, to install Docker, run the following commands:

  sudo apt install docker-ce

Docker is now installed, the daemon is running, and the process is set to start automatically when the computer boots up.

• Make sure it’s up and running:

  sudo systemctl status docker

When we install Docker, we get both the Docker service (daemon) and the Docker command-line utility, also known as the Docker client.

On centos:

It’s possible that the Docker installation package in the official CentOS 7 repository isn’t the most recent version. So, we install Docker from the official Docker repository to get the most recent version. This section will show you how.

• Let’s start by updating the package database:

  sudo yum check-update

• Run this command now. It will add the official Docker repository, download and install the most recent version of Docker:

  curl -fsSL https://get.docker.com/ | sh

• Start the Docker daemon after the installation is finished:

  sudo systemctl start docker

• Check to see if it’s running:

  sudo systemctl status docker

• Finally, make sure it starts every time the server is rebooted:

  sudo systemctl enable docker

When we install Docker, we get both the Docker service (daemon) and the Docker command-line utility, also known as the Docker client.

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Conclusion

In short, our Skilled engineers could easily install Docker in a Digital Ocean Droplet by following the steps outlined above.