add Node.js to builder (#8)

Co-authored-by: Forest Eckhardt <[email protected]>

README.md

@@ -5,7 +5,7 @@
 This builder uses the [Paketo Jammy Full
 Stack](https://github.com/paketo-buildpacks/jammy-full-stack) (Ubuntu Jammy
 Jellyfish build and run images) with buildpacks for Java,
-Java Native Image, Go, .NET, and Procfile.
+Java Native Image, Go, .NET, Node.js, and Procfile.
 
 To see which versions of build and run images, buildpacks, and the lifecycle
 that are contained within a given builder version, see the

builder.toml

@@ -16,6 +16,10 @@ description = "Ubuntu 22.04 Jammy Jellyfish full image with buildpacks for Java,
   uri = "docker://gcr.io/paketo-buildpacks/java:6.33.0"
   version = "6.33.0"
 
+[[buildpacks]]
+  uri = "docker://gcr.io/paketo-buildpacks/nodejs:0.22.0"
+  version = "0.22.0"
+
 [[buildpacks]]
   uri = "docker://gcr.io/paketo-buildpacks/procfile:5.2.1"
   version = "5.2.1"
@@ -47,6 +51,12 @@ description = "Ubuntu 22.04 Jammy Jellyfish full image with buildpacks for Java,
     id = "paketo-buildpacks/java"
     version = "6.33.0"
 
+[[order]]
+
+  [[order.group]]
+    id = "paketo-buildpacks/nodejs"
+    version = "0.22.0"
+
 [[order]]
 
   [[order.group]]

smoke/init_test.go

@@ -31,6 +31,7 @@ func TestSmoke(t *testing.T) {
 	suite("Go", testGo)
 	suite("Java Native Image", testJavaNativeImage)
 	suite("Java", testJava)
+	suite("Node.js", testNodejs)
 	suite("Procfile", testProcfile)
 	suite.Run(t)
 }

smoke/nodejs_test.go

@@ -0,0 +1,77 @@
+package smoke_test
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/paketo-buildpacks/occam"
+	"github.com/sclevine/spec"
+
+	. "github.com/onsi/gomega"
+	. "github.com/paketo-buildpacks/occam/matchers"
+)
+
+func testNodejs(t *testing.T, context spec.G, it spec.S) {
+	var (
+		Expect     = NewWithT(t).Expect
+		Eventually = NewWithT(t).Eventually
+
+		pack   occam.Pack
+		docker occam.Docker
+	)
+
+	it.Before(func() {
+		pack = occam.NewPack().WithVerbose().WithNoColor()
+		docker = occam.NewDocker()
+	})
+
+	context("detects a Nodejs app", func() {
+		var (
+			image     occam.Image
+			container occam.Container
+
+			name   string
+			source string
+		)
+
+		it.Before(func() {
+			var err error
+			name, err = occam.RandomName()
+			Expect(err).NotTo(HaveOccurred())
+		})
+
+		it.After(func() {
+			Expect(docker.Container.Remove.Execute(container.ID)).To(Succeed())
+			Expect(docker.Volume.Remove.Execute(occam.CacheVolumeNames(name))).To(Succeed())
+			Expect(docker.Image.Remove.Execute(image.ID)).To(Succeed())
+			Expect(os.RemoveAll(source)).To(Succeed())
+		})
+
+		it("builds successfully", func() {
+			var err error
+			source, err = occam.Source(filepath.Join("testdata", "nodejs"))
+			Expect(err).NotTo(HaveOccurred())
+
+			var logs fmt.Stringer
+			image, logs, err = pack.Build.
+				WithPullPolicy("never").
+				WithBuilder(Builder).
+				Execute(name, source)
+			Expect(err).ToNot(HaveOccurred(), logs.String)
+
+			container, err = docker.Container.Run.
+				WithEnv(map[string]string{"PORT": "8080"}).
+				WithPublish("8080").
+				Execute(image.ID)
+			Expect(err).NotTo(HaveOccurred())
+
+			Eventually(container).Should(BeAvailable())
+
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Node Engine Buildpack")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo NPM Install Buildpack")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo NPM Start Buildpack")))
+		})
+	})
+}

smoke/testdata/nodejs/.gitignore

@@ -0,0 +1 @@
+node_modules/

smoke/testdata/nodejs/README.md

@@ -0,0 +1,13 @@
+# Node.js Sample App using NPM
+
+## Building
+
+`pack build npm-sample --buildpack gcr.io/paketo-buildpacks/nodejs`
+
+## Running
+
+`docker run --interactive --tty --publish 8080:8080 npm-sample`
+
+## Viewing
+
+`curl http://localhost:8080`