Introduction to the continuous delivery pipeline: an automated pipeline that takes developer code from submission to production deployment; it includes code submission, build, test, deployment and monitoring stages. Practical case: Spring Boot application: Use GitLab CI/CD, Maven/Gradle, JUnit/Mockito, Jenkins Pipeline/Kubernetes and Prometheus/Grafana for continuous delivery pipeline to implement code submission, building, testing, deployment and monitoring.
Practical case for the implementation of Java framework: Continuous delivery pipeline construction
Introduction
Continuous delivery is a software development practice that improves the speed and quality of software delivery by automating the testing and deployment process. For Java frameworks, the continuous delivery pipeline is a key component to achieve this goal.
Continuous Delivery Pipeline
The continuous delivery pipeline is an automated pipeline that takes developer code from submission to production deployment. The pipeline usually consists of the following stages:
Practical case: Spring Boot application
Consider the following continuous delivery pipeline of Spring Boot application:
1. Code submission
Using GitLab CI/CD, when developers submit code, the pipeline is triggered.
2. Build
Use Maven or Gradle to build the code and package it as a JAR file.
3. Testing
Use JUnit or Mockito to run unit and integration tests.
4. Deployment
Use Jenkins Pipeline or Kubernetes to deploy the JAR file to the staging environment.
5. Monitoring
Use Prometheus and Grafana to monitor application performance.
Code Example
The following is an example pipeline definition, using Jenkins Pipeline:
pipeline { agent any stages { stage('Build') { steps { sh 'mvn clean package' } } stage('Test') { steps { sh 'mvn test' } } stage('Deploy') { steps { kubernetesDeploy(kubeconfigId: 'my-kube-config', name: 'my-app') } } stage('Monitor') { steps { prometheusMonitor(metricsUrl: 'http://my-app:9090/metrics') } } } }
By implementing a continuous delivery pipeline, Java development teams can:
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