feat：配置流水线

Dcokerfile

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+FROM nginx:alpine
+COPY dist/ /usr/share/nginx/html/
+EXPOSE 80

Jenkinsfile

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+pipeline {
+    agent none  // 全局不指定，局部单独声明
+    environment {
+        IMAGE_NAME = 'lpt-fe:0.0'
+        CONTAINER_NAME = 'LPT_FE'
+        HOST_PORT = '8080'
+        CONTAINER_PORT = '80'
+    }
+    stages {
+        stage('Install Dependencies') {
+            agent {
+                docker {
+                    image 'node:20-alpine'
+                    args '-v ${WORKSPACE}/.npm:/.npm -v ${WORKSPACE}/node_modules:/app/node_modules'
+                }
+            }
+            steps {
+                sh '''
+                  npm config set cache /.npm
+                  npm install
+                '''
+            }
+        }
+
+        stage('Type Check & Build') {
+            agent {
+                docker {
+                    image 'node:20-alpine'
+                    args '-v ${WORKSPACE}/.npm:/.npm -v ${WORKSPACE}/node_modules:/app/node_modules'
+                }
+            }
+            steps {
+                sh '''
+                  npm run type-check
+                  npm run build
+                '''
+            }
+        }
+
+        stage('Build Docker Image') {
+            agent any  // Jenkins默认节点，有Docker命令
+            steps {
+                sh '''
+                  docker build -t $IMAGE_NAME .
+                '''
+            }
+        }
+
+        stage('Run Docker Container') {
+            agent any
+            steps {
+                sh '''
+                  docker rm -f $CONTAINER_NAME || true
+                  docker run -d --name $CONTAINER_NAME \\
+                    -p $HOST_PORT:$CONTAINER_PORT \\
+                    $IMAGE_NAME
+                '''
+            }
+        }
+    }
+}