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Day 23: Installing Docker on App Server 1

Task

The Nautilus DevOps team is working on containerizing various applications. As part of this initiative, Docker needs to be installed and configured on App Server 1.

Specifications:

  • Install the docker-ce and docker-compose packages on App Server 1.
  • Start the Docker service after installation.

Steps:

  1. Install Docker Packages:

    • Use yum to install the necessary Docker packages: 
      sudo yum install docker-ce docker-ce-cli containerd.io -y
sudo yum install docker-compose -y

  2. Start the Docker Service:

    • Start the Docker service to enable container management: 
      sudo systemctl start docker

  3. Enable Docker to Start on Boot:

    • Ensure Docker starts automatically on system boot: 
      sudo systemctl enable docker

Command Explanation:

  • yum install: Installs specified packages on a CentOS/RHEL-based system.
  • systemctl start: Starts the specified service.
  • systemctl enable: Enables the service to start at boot.