Dockerfile

@@ -0,0 +1,3 @@
+FROM node:14-alpine
+
+RUN apk add -U subversion

Jenkinsfile

@@ -1,11 +1,16 @@
 pipeline {
-    agent any
-
+    agent { dockerfile true }
     stages {
+        stage('Init') {
+            steps {
+                sh 'node --version'
+            }
+        }
         stage('Build') {
             steps {
                 echo "Running ${env.BUILD_ID} on ${env.JENKINS_URL}"
                 echo 'Building..'
+                sh 'docker info'
             }
         }
         stage('Test') {