Fix Dockerfile and add more logging

Author: MartelliEnrico

Dockerfile

@@ -26,7 +26,7 @@ ENV FFMPEG_PATH=/usr/local/bin/ffmpeg
 COPY --from=builder /app/libwebp/bin/cwebp /usr/local/bin/
 COPY --from=builder /app/libwebp/bin/dwebp /usr/local/bin/
 
-COPY --from=builder /app/build/jre jre
+COPY --from=builder /app/build/jlink/jre jre
 COPY --from=builder /app/build/libs/Stickerify-1.0-all.jar Stickerify.jar
 
 CMD ["jre/bin/java", "-Dcom.sksamuel.scrimage.webp.binary.dir=/usr/local/bin/", "-jar", "Stickerify.jar"]

buildSrc/src/main/java/com/github/stickerifier/stickerify/JlinkTask.java

@@ -53,7 +53,7 @@ public JlinkTask() {
 	}
 
 	@TaskAction
-	public void performAction() {
+	public void createJre() {
 		var installationPath = getJavaCompiler().get().getMetadata().getInstallationPath();
 
 		var jlink = installationPath.file("bin/jlink");
@@ -92,8 +92,12 @@ public void performAction() {
 			getLogger().info(stdoutStr);
 		}
 
-		if (result.getExitValue() != 0 && !stderrStr.isEmpty()) {
-			getLogger().log(LogLevel.ERROR, stderrStr);
+		if (result.getExitValue() != 0) {
+			if (!stderrStr.isEmpty()) {
+				getLogger().log(LogLevel.ERROR, stderrStr);
+			} else {
+				getLogger().log(LogLevel.ERROR, "jlink failed with exit code: {}", result.getExitValue());
+			}
 		}
 
 		result.assertNormalExitValue();