build docker image from dockerfile

build-with-dockerfile/Dockerfile

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+FROM node:16-alpine
+
+RUN apk add -U git curl

build-with-dockerfile/Jenkinsfile

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+pipeline {
+  agent { dockerfile true }
+  stages {
+    stage('Test') {
+      steps {
+        sh '''
+          node --version
+          git --version
+          curl --version
+        '''
+      }
+    }
+  }
+}

build-with-dockerfile/README.md

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+# BUILD IMAGE FROM DOCKERFILE
+
+For projects requiring a more customized execution environment, Pipeline also supports building and running a container from a Dockerfile in the source repository. In contrast to the previous approach of using an "off-the-shelf" container, using the agent { dockerfile true } syntax builds a new image from a Dockerfile, rather than pulling one from Docker Hub.