Environment: Production
Version: ${IMAGE_TAG}
" > /usr/share/nginx/html/index.html COPY nginx.conf /etc/nginx/nginx.conf EXPOSE 80 CMD ["nginx", "-g", "daemon off;"] EOF ''' sh ''' cat > nginx.conf << 'EOF' user nginx; worker_processes auto; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; keepalive_timeout 65; server { listen 80; server_name _; location / { root /usr/share/nginx/html; index index.html; } location /health { access_log off; return 200 "healthy\n"; add_header Content-Type text/plain; } } } EOF ''' } } stage('Build Docker Image') { steps { script { echo "Building Docker image: ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG}" sh """ docker build \ -t ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG} \ -t ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:latest \ . """ echo "✅ Image built successfully!" } } } stage('Push to Registry') { when { branch 'main' } steps { script { echo "Pushing image to registry..." withCredentials([usernamePassword( credentialsId: 'docker-registry-credentials', usernameVariable: 'DOCKER_USER', passwordVariable: 'DOCKER_PASS' )]) { sh """ echo "\${DOCKER_PASS}" | docker login ${DOCKER_REGISTRY} -u "\${DOCKER_USER}" --password-stdin docker push ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG} docker push ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:latest docker logout ${DOCKER_REGISTRY} """ } echo "✅ Image pushed successfully!" } } } stage('Update GitOps Manifests') { when { branch 'main' } steps { script { echo "Updating Kubernetes manifests..." withCredentials([usernamePassword( credentialsId: 'gitea-credentials', usernameVariable: 'GIT_USER', passwordVariable: 'GIT_PASS' )]) { sh """ rm -rf k3s-gitops || true git clone http://\${GIT_USER}:\${GIT_PASS}@gitea-http.gitea.svc.cluster.local:3000/admin/k3s-gitops.git cd k3s-gitops git config user.name "Jenkins" git config user.email "jenkins@thedevops.dev" sed -i 's|image: .*|image: ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG}|' apps/demo-nginx/deployment.yaml git add apps/demo-nginx/deployment.yaml git commit -m "chore(demo-nginx): Update image to ${IMAGE_TAG}" || echo "No changes" git push origin main """ } echo "✅ Manifests updated!" } } } stage('Verify Deployment') { when { branch 'main' } steps { script { echo "Verifying deployment..." sh """ sleep 30 kubectl rollout status deployment/${APP_NAME} -n ${NAMESPACE} --timeout=300s || true kubectl get pods -n ${NAMESPACE} -l app=${APP_NAME} """ echo "✅ Deployment completed!" } } } } post { success { echo """ ✅ Pipeline SUCCESS! Image: ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG} Namespace: ${NAMESPACE} """ } failure { echo "❌ Pipeline failed!" } always { sh """ docker rmi ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:${IMAGE_TAG} || true docker rmi ${DOCKER_REGISTRY}/${DOCKER_REPO}/${APP_NAME}:latest || true docker stop test-${BUILD_NUMBER} 2>/dev/null || true docker rm test-${BUILD_NUMBER} 2>/dev/null || true """ cleanWs() } } }