Update Jenkinsfile

Jenkinsfile

 pipeline {
-    agent {
-        docker {
-            image 'maven:3-alpine' 
-            args '-v /root/.m2:/root/.m2'
-            args '-v /var/run/docker.sock:/var/run/docker.sock'
-        }
-    }
+    agent none
     stages {
-        stage('Build') { 
+        stage('Build') {
+            agent {
+                docker { 
+					image 'maven:3-alpine'
+					args '-v /root/.m2:/root/.m2'
+					args '-v /var/run/docker.sock:/var/run/docker.sock'
+				}				
+            }
             steps {
                 sh 'mvn clean package'
             }
         }
-	    stage('deploy') { 
+        stage('Build image') {
+            agent { 
+			    dockerfile {
+			        label 'registry.lizhi.co/registry/mybbs'
+				}	
+			}
             steps {
-                sh 'docker build -t registry.lizhi.co/registry/pybbs .'
+                echo 'Build image complete'
+            }
+        }
+		stage('deploy') {
+            agent any
+			steps {
                 sh 'docker push registry.lizhi.co/registry/pybbs .'
                 sshPublisher(publishers: [sshPublisherDesc(configName: 'nginx', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '~/docker-compose down && ~/docker-compose up -d', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: '~/docker-compose.yml', remoteDirectorySDF: false, removePrefix: '', sourceFiles: 'docker-compose.yml')], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)]) 
             }
         }
     }
-}
+}
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