Test devops

Jenkinsfile

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+pipeline {
+    // We use the Jenkins master agent, which has Docker socket access
+    agent any
+
+    // Use the Maven installation configured in Jenkins
+    tools {
+        maven 'M3' 
+    }
+
+    // Environment variable for the image tag
+    environment {
+        // Use the Jenkins build number as the image version tag
+        IMAGE_NAME = "your-registry-username/sample-java-app"
+        IMAGE_TAG = "${env.BUILD_NUMBER}"
+    }
+
+    stages {
+        stage('Checkout Code') {
+            steps {
+                // SCM Checkout is automatic with 'Pipeline script from SCM'
+                echo "Code checked out from: ${GIT_URL}"
+            }
+        }
+
+        stage('Build & Test (Maven)') {
+            steps {
+                sh 'mvn clean package -DskipTests'
+            }
+        }
+
+        stage('Containerize App') {
+            steps {
+                // Build the Docker image using the Dockerfile in the workspace
+                sh "docker build -t ${IMAGE_NAME}:${IMAGE_TAG} ."
+            }
+        }
+
+        stage('Push Image to Registry') {
+            steps {
+                // Use the credentials configured in Step 9
+                withCredentials([usernamePassword(credentialsId: 'docker-hub-creds', passwordVariable: 'DOCKER_PASSWORD', usernameVariable: 'DOCKER_USER')]) {
+                    sh "docker login -u ${DOCKER_USER} -p ${DOCKER_PASSWORD}"
+                    sh "docker push ${IMAGE_NAME}:${IMAGE_TAG}"
+                }
+            }
+        }
+
+        stage('Provision/Apply Infrastructure (Terraform)') {
+            steps {
+                // IMPORTANT: Requires Terraform files in a 'terraform' directory in your repo
+                dir('terraform') {
+                    sh 'terraform init'
+                    sh 'terraform apply -auto-approve'
+                }
+            }
+        }
+
+        stage('Deploy to Kubernetes (kubectl/Ansible)') {
+            steps {
+                // Assumes kubectl is available on the macOS host (via Docker Desktop)
+                // and the Jenkins container can access it (often via the host's PATH or by running on the host itself)
+
+                // 1. Apply the base deployment/service YAML (optional, can be done via Terraform)
+                sh 'kubectl apply -f k8s-deployment.yaml' 
+
+                // 2. Rollout the new image tag
+                sh "kubectl set image deployment/java-app-deployment java-app-container=${IMAGE_NAME}:${IMAGE_TAG}"
+
+                // OR (if using Ansible):
+                // sh 'ansible-playbook -i localhost, deploy-k8s.yml'
+            }
+        }
+    }
+}

jenkins

@@ -0,0 +1,74 @@
+pipeline {
+    // We use the Jenkins master agent, which has Docker socket access
+    agent any
+
+    // Use the Maven installation configured in Jenkins
+    tools {
+        maven 'M3' 
+    }
+
+    // Environment variable for the image tag
+    environment {
+        // Use the Jenkins build number as the image version tag
+        IMAGE_NAME = "your-registry-username/sample-java-app"
+        IMAGE_TAG = "${env.BUILD_NUMBER}"
+    }
+
+    stages {
+        stage('Checkout Code') {
+            steps {
+                // SCM Checkout is automatic with 'Pipeline script from SCM'
+                echo "Code checked out from: ${GIT_URL}"
+            }
+        }
+
+        stage('Build & Test (Maven)') {
+            steps {
+                sh 'mvn clean package -DskipTests'
+            }
+        }
+
+        stage('Containerize App') {
+            steps {
+                // Build the Docker image using the Dockerfile in the workspace
+                sh "docker build -t ${IMAGE_NAME}:${IMAGE_TAG} ."
+            }
+        }
+
+        stage('Push Image to Registry') {
+            steps {
+                // Use the credentials configured in Step 9
+                withCredentials([usernamePassword(credentialsId: 'docker-hub-creds', passwordVariable: 'DOCKER_PASSWORD', usernameVariable: 'DOCKER_USER')]) {
+                    sh "docker login -u ${DOCKER_USER} -p ${DOCKER_PASSWORD}"
+                    sh "docker push ${IMAGE_NAME}:${IMAGE_TAG}"
+                }
+            }
+        }
+
+        stage('Provision/Apply Infrastructure (Terraform)') {
+            steps {
+                // IMPORTANT: Requires Terraform files in a 'terraform' directory in your repo
+                dir('terraform') {
+                    sh 'terraform init'
+                    sh 'terraform apply -auto-approve'
+                }
+            }
+        }
+
+        stage('Deploy to Kubernetes (kubectl/Ansible)') {
+            steps {
+                // Assumes kubectl is available on the macOS host (via Docker Desktop)
+                // and the Jenkins container can access it (often via the host's PATH or by running on the host itself)
+
+                // 1. Apply the base deployment/service YAML (optional, can be done via Terraform)
+                sh 'kubectl apply -f k8s-deployment.yaml' 
+
+                // 2. Rollout the new image tag
+                sh "kubectl set image deployment/java-app-deployment java-app-container=${IMAGE_NAME}:${IMAGE_TAG}"
+
+                // OR (if using Ansible):
+                // sh 'ansible-playbook -i localhost, deploy-k8s.yml'
+            }
+        }
+    }
+}