Bump the lifecycle to 0.6, add description, keywords and license meta…

…data and make running 'upx' optional, default off in build script

buildpack.toml

@@ -12,13 +12,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-api = "0.5"
+api = "0.6"
 
 [buildpack]
 id       = "paketo-buildpacks/gradle"
 name     = "Paketo Gradle Buildpack"
 version  = "{{.version}}"
 homepage = "https://github.com/paketo-buildpacks/gradle"
+description = "A Cloud Native Buildpack that builds Gradle-based applications from source"
+keywords    = ["java", "gradle", "build-systems"]
+
+[[buildpack.licenses]]
+type = "Apache-2.0"
+uri  = "https://github.com/paketo-buildpacks/gradle/blob/main/LICENSE"
 
 [[stacks]]
 id = "io.buildpacks.stacks.bionic"

scripts/build.sh

@@ -4,8 +4,13 @@ set -euo pipefail
 
 GOOS="linux" go build -ldflags='-s -w' -tags osusergo -o bin/main github.com/paketo-buildpacks/gradle/cmd/main
 
-strip bin/main
-upx -q -9 bin/main
+if [ "${STRIP:-false}" != "false" ]; then
+  strip bin/main
+fi
+
+if [ "${COMPRESS:-false}" != "false" ]; then
+  upx -q -9 bin/main
+fi
 
 ln -fs main bin/build
 ln -fs main bin/detect