Merge pull request #48 from pacostas/adding-python3

Adding python3 on the build image.

generate.go

@@ -18,7 +18,7 @@ import (
 	"github.com/paketo-buildpacks/packit/v2/scribe"
 )
 
-var PACKAGES = "make gcc gcc-c++ libatomic_ops git openssl-devel nodejs npm nodejs-nodemon nss_wrapper which"
+var PACKAGES = "make gcc gcc-c++ libatomic_ops git openssl-devel nodejs npm nodejs-nodemon nss_wrapper which python3"
 
 var DEFAULT_USER_ID = 1002
 var DEFAULT_GROUP_ID = 1000
@@ -84,7 +84,7 @@ func Generate(dependencyManager DependencyManager, logger scribe.Emitter, during
 			CNB_USER_ID:    duringBuildPermissions.CNB_USER_ID,
 			CNB_GROUP_ID:   duringBuildPermissions.CNB_GROUP_ID,
 			CNB_STACK_ID:   CNB_STACK_ID,
-			PACKAGES:       "make gcc gcc-c++ libatomic_ops git openssl-devel nodejs npm nodejs-nodemon nss_wrapper which",
+			PACKAGES:       PACKAGES,
 		}, buildDockerfileTemplate)
 
 		if err != nil {

generate_test.go

@@ -53,11 +53,11 @@ func testFillPropsToTemplate(t *testing.T, context spec.G, it spec.S) {
 				CNB_USER_ID:    1000,
 				CNB_GROUP_ID:   1000,
 				CNB_STACK_ID:   "",
-				PACKAGES:       "make gcc gcc-c++ libatomic_ops git openssl-devel nodejs npm nodejs-nodemon nss_wrapper which",
+				PACKAGES:       ubinodejsextension.PACKAGES,
 			}, buildDockerfileTemplate)
 
 			Expect(err).NotTo(HaveOccurred())
-			Expect(output).To(Equal(`ARG base_image
+			Expect(output).To(Equal(fmt.Sprintf(`ARG base_image
 FROM ${base_image}
 
 USER root
@@ -66,12 +66,12 @@ ARG build_id=0
 RUN echo ${build_id}
 
 RUN microdnf -y module enable nodejs:16
-RUN microdnf --setopt=install_weak_deps=0 --setopt=tsflags=nodocs install -y make gcc gcc-c++ libatomic_ops git openssl-devel nodejs npm nodejs-nodemon nss_wrapper which && microdnf clean all
+RUN microdnf --setopt=install_weak_deps=0 --setopt=tsflags=nodocs install -y %s && microdnf clean all
 
 RUN echo uid:gid "1000:1000"
 USER 1000:1000
 
-RUN echo "CNB_STACK_ID: "`))
+RUN echo "CNB_STACK_ID: "`, ubinodejsextension.PACKAGES)))
 
 		})