feat: 新增后端 Jenkins 流水线

Jenkinsfile

@@ -0,0 +1,149 @@
+def runCmd(String unixScript, String windowsScript = null) {
+  if (isUnix()) {
+    sh unixScript
+  } else {
+    bat(windowsScript ?: unixScript)
+  }
+}
+
+def normalizeDockerTag(String value) {
+  return value.replaceAll(/[^A-Za-z0-9_.-]/, '-')
+}
+
+pipeline {
+  agent any
+
+  options {
+    skipDefaultCheckout(true)
+    timestamps()
+    disableConcurrentBuilds()
+    buildDiscarder(logRotator(numToKeepStr: '20', artifactNumToKeepStr: '10'))
+  }
+
+  parameters {
+    booleanParam(name: 'BUILD_DOCKER_IMAGE', defaultValue: true, description: '是否使用项目现有 dockerfile 构建镜像')
+    booleanParam(name: 'PUSH_DOCKER_IMAGE', defaultValue: false, description: '是否执行 docker push；需要 Jenkins Agent 已提前完成 docker login')
+    string(name: 'DOCKER_REGISTRY', defaultValue: '', description: '镜像仓库地址，为空时只生成本地镜像')
+    string(name: 'IMAGE_NAME', defaultValue: 'kt-template-online-api', description: 'Docker 镜像名称')
+    string(name: 'IMAGE_TAG', defaultValue: '', description: '镜像标签，为空时使用 分支名-BUILD_NUMBER')
+  }
+
+  environment {
+    APP_PORT = '48085'
+    CI = 'true'
+    NODE_ENV = 'development'
+    PNPM_VERSION = '9'
+  }
+
+  stages {
+    stage('Checkout') {
+      steps {
+        checkout scm
+      }
+    }
+
+    stage('Prepare') {
+      steps {
+        script {
+          def branchTag = normalizeDockerTag(env.BRANCH_NAME ?: 'local')
+          def imageTagParam = params.IMAGE_TAG?.trim()
+          env.IMAGE_TAG_FINAL = imageTagParam ? normalizeDockerTag(imageTagParam) : "${branchTag}-${env.BUILD_NUMBER}"
+          def registry = params.DOCKER_REGISTRY?.trim()
+          env.DOCKER_IMAGE = registry ? "${registry}/${params.IMAGE_NAME}:${env.IMAGE_TAG_FINAL}" : "${params.IMAGE_NAME}:${env.IMAGE_TAG_FINAL}"
+
+          // 项目以 pnpm-lock.yaml 为准；Agent 未安装 pnpm 时再通过 Corepack 启用 pnpm 9。
+          if (isUnix()) {
+            runCmd("""
+              node --version
+              if ! command -v pnpm >/dev/null 2>&1; then
+                if command -v corepack >/dev/null 2>&1; then
+                  corepack enable
+                  corepack prepare pnpm@${env.PNPM_VERSION} --activate
+                else
+                  echo "pnpm or corepack is required on the Jenkins Agent."
+                  exit 1
+                fi
+              fi
+              pnpm --version
+            """.stripIndent())
+          } else {
+            runCmd('', """
+              node --version
+              where pnpm >nul 2>nul
+              if errorlevel 1 (
+                where corepack >nul 2>nul
+                if errorlevel 1 exit /b 1
+                corepack enable
+                corepack prepare pnpm@${env.PNPM_VERSION} --activate
+              )
+              pnpm --version
+            """.stripIndent())
+          }
+
+          echo "Docker image: ${env.DOCKER_IMAGE}"
+        }
+      }
+    }
+
+    stage('Install') {
+      steps {
+        script {
+          runCmd('pnpm install --frozen-lockfile')
+        }
+      }
+    }
+
+    stage('Lint') {
+      steps {
+        script {
+          runCmd('pnpm run lint')
+        }
+      }
+    }
+
+    stage('Test') {
+      steps {
+        script {
+          // 当前单测配置查找 src/**/*.spec.ts，允许空测试集，后续补齐 spec 后仍会正常执行。
+          runCmd('pnpm test -- --passWithNoTests')
+        }
+      }
+    }
+
+    stage('Build') {
+      steps {
+        script {
+          runCmd('pnpm run build')
+        }
+      }
+    }
+
+    stage('Docker Build') {
+      when {
+        expression { return params.BUILD_DOCKER_IMAGE }
+      }
+      steps {
+        script {
+          runCmd("docker build -f dockerfile -t ${env.DOCKER_IMAGE} .")
+        }
+      }
+    }
+
+    stage('Docker Push') {
+      when {
+        expression { return params.BUILD_DOCKER_IMAGE && params.PUSH_DOCKER_IMAGE }
+      }
+      steps {
+        script {
+          runCmd("docker push ${env.DOCKER_IMAGE}")
+        }
+      }
+    }
+  }
+
+  post {
+    success {
+      archiveArtifacts artifacts: 'dist/**,package.json,pnpm-lock.yaml,dockerfile', fingerprint: true, allowEmptyArchive: true
+    }
+  }
+}