build: refs #6706 Jenkinsfile fixes

Jenkinsfile

@@ -32,9 +32,11 @@ pre: {
     // https://loopback.io/doc/en/lb3/Setting-debug-strings.html#debug-strings-reference
     //env.DEBUG = 'strong-remoting:shared-method'
 }
-
 node {
     stage('Setup') {
+        def packageJson = readJSON file: 'package.json'
+        env.VERSION = packageJson.version
+
         env.GIT_COMMIT_MSG = sh(
             script: 'git log -1 --pretty=%B ${GIT_COMMIT}',
             returnStdout: true
@@ -43,7 +45,6 @@ node {
         setEnv()
     }
 }
-
 pipeline {
     agent any
     options {
@@ -57,14 +58,6 @@ pipeline {
         STACK_NAME = "${env.PROJECT_NAME}-${env.BRANCH_NAME}"
     }
     stages {
-        stage('Checkout') {
-            steps {
-                script {
-                    def packageJson = readJSON file: 'package.json'
-                    env.VERSION = packageJson.version
-                }
-            }
-        }
         stage('Install') {
             environment {
                 NODE_ENV = ""
@@ -128,7 +121,7 @@ pipeline {
         }
         stage('Output') {
             steps {
-                echo "${env.NODE_ENV}"
+                echo "${env.VERSION}"
             }
         }
         stage('Deploy') {