How to implement automated deployment of Docker on Debian
Implementing automated deployment of Docker on Debian systems can be accomplished in a variety of ways. Here are the detailed step guides:
1. Install Docker
First, make sure your Debian system is up to date:
<code>sudo apt update sudo apt upgrade -y</code>
Next, install the necessary packages to support APT access to the repository over HTTPS:
<code>sudo apt install apt-transport-https ca-certificates curl software-properties-common -y</code>
Import Docker's official GPG key:
<code>curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -</code>
Add Docker's official repository address:
<code>sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"</code>
Update the package index and install Docker Community Edition:
<code>sudo apt update sudo apt install docker-ce docker-ce-cli containerd.io -y</code>
Start Docker service and set it to boot:
<code>sudo systemctl start docker sudo systemctl enable docker</code>
2. Configure Docker
To ensure that Docker can run automatically with the system startup, you can use the systemd service:
<code>sudo systemctl enable docker</code>
3. Create an automated deployment script
You can write a shell script to implement the automated deployment of Docker containers. Here is a basic example script:
<code>#!/bin/bash</code> Define container name and mirror name<p> CONTAINER_NAME="my_container" IMAGE_NAME="nginx:latest"</p><h1> Check if the target container is running</h1><p> if docker ps -a | grep -q $CONTAINER_NAME; then echo "Container $CONTAINER_NAME is already running." else</p><h1> Start a new container</h1><pre class="brush:php;toolbar:false"> <code>docker run -d --name $CONTAINER_NAME -p 80:80 $IMAGE_NAME echo "Container $CONTAINER_NAME has been started."</code>
fi
Save this script as deploy_docker.sh and give execution permissions:
<code>chmod x deploy_docker.sh</code>
Execute the script:
<code>./deploy_docker.sh</code>
4. Apply CI/CD tools
If more complex automated deployment processes are required, CI/CD tools such as Jenkins, GitLab CI/CD, or GitHub Actions can be used. These tools can help you automate the entire process from code pull, build, test and deployment.
Example: Using GitHub Actions
- Create a .github/workflows directory in your GitHub project.
- Create a new YAML configuration file in this directory, such as deploy-docker.yml:
<code>name: Deploy Docker</code><p> on: push: branches:</p>
- Main
jobs: build-and-deploy: runs-on: ubuntu-latest
<code>steps: - name: Pull repository code uses: actions/checkout@v2 - name: Log in to Docker Hub uses: docker/login-action@v1 with: username: ${{ secrets.DOCKERHUB_USERNAME }} password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }} - name: Build and push Docker image uses: docker/build-push-action@v2 with: context: . file: ./Dockerfile push: true tags: yourusername/yourimage:latest - name: Deploy to production server run: | ssh -o StrictHostKeyChecking=no ${{ secrets.PRODUCTION_SERVER }} 'bash -s'</code>
- Add the necessary Secrets to your project, such as DOCKERHUB_USERNAME, DOCKERHUB_ACCESS_TOKEN and PRODUCTION_SERVER.
- Create a deploy_on_production.sh script, which is specifically responsible for deploying Docker containers on production environment servers.
Through the above steps, you can realize the automated deployment of Docker on the Debian system. Depending on actual needs, you can choose the appropriate method and tool.
The above is the detailed content of How to implement automated deployment of Docker on Debian. For more information, please follow other related articles on the PHP Chinese website!
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