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Use Docker in Continuous Integration

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coding-ci Policy

CODING Continuous Integration

This document describes how to use Continuous Integration to release a project to a K8s cluster.

Before configuring the CODING Continuous Integration (CODING-CI) build environment, you must activate the CODING DevOps service for your Tencent Cloud account.

Log in to the CODING Console and click the 

 in the upper-right corner to open the project list page and click a 

Follow the steps below to easily deploy a project to a K8s cluster through Continuous Integration:

Retrieve the username and password for the Docker repository (You can obtain them by creating an access token with one click in CODING Artifact Repository). Then, enter them in the environment variables of Continuous Integration.

Build a Docker image and upload it to the repository.

Using a cloud computing service provider (such as Tencent Cloud), create a K8s cluster and deployment. Retrieve kubeconfig and enter it in CODING Credential Management.

Use the following Jenkinsfile in Continuous Integration: Run kubectl and deploy.

        checkout([$class: 'GitSCM', branches: [[name: env.GIT_BUILD_REF]],

        userRemoteConfigs: [[url: env.GIT_REPO_URL, credentialsId: env.CREDENTIALS_ID]]])

          // Modify dockerServer, dockerPath, and imageName

          dockerServer = 'codes-farm-docker.pkg.coding.net'

          dockerPath = '/laravel-demo/laravel-docker'

          imageName = "${dockerServer}${dockerPath}/laravel-demo:1.0.0"

          def customImage = docker.build(imageName)

          // Push Docker image to repository

          docker.withRegistry("https://${dockerServer}", CODING_ARTIFACTS_CREDENTIALS_ID) {

          // Modify credentialsId: Fill in the K8s credential ID

          withKubeConfig([credentialsId: 'f23cc59c-dfd1-40b9-a12f-2c9b6909e908']) {

            // Use kubectl to create a K8s secret key: originates from the environment variables DOCKER_USER and DOCKER_PASSWORD

            sh(script: "kubectl create secret docker-registry coding --docker-server=${dockerServer} --docker-username=${env.DOCKER_USER} --docker-password=${env.DOCKER_PASSWORD} --docker-email=support@coding.net", returnStatus: true)

            // Use kubectl to modify the K8s deployment: Specify the Docker image link and secret key

            // Modify laravel-demo and web to the values in your deployment

            sh "kubectl patch deployment laravel-demo --patch '{\"spec\": {\"template\": {\"spec\": {\"containers\": [{\"name\": \"web\", \"image\": \"${imageName}\"}], \"imagePullSecrets\": [{\"name\": \"coding\"}]}}}}'"

 includes at least five steps, we recommend you to use 

tencent cloud