Upgraded to java17 and switched to gradle output

Author: samburtonlaurie

Dockerfile

@@ -1,12 +1,12 @@
-FROM public.ecr.aws/lambda/java:11.2023.07.19.04 AS build
+FROM public.ecr.aws/lambda/java:17.2023.07.19.04 AS build
 
 RUN yum install -y unzip
 RUN curl -Lo "/tmp/chromedriver.zip" "https://chromedriver.storage.googleapis.com/114.0.5735.90/chromedriver_linux64.zip" && \
     curl -Lo "/tmp/chrome-linux.zip" "https://www.googleapis.com/download/storage/v1/b/chromium-browser-snapshots/o/Linux_x64%2F1135561%2Fchrome-linux.zip?alt=media" && \
     unzip /tmp/chromedriver.zip -d /opt/ && \
     unzip /tmp/chrome-linux.zip -d /opt/
 
-FROM public.ecr.aws/lambda/java:11.2023.07.19.04
+FROM public.ecr.aws/lambda/java:17.2023.07.19.04
 RUN yum install -y atk cups-libs gtk3 libXcomposite alsa-lib \
     libXcursor libXdamage libXext libXi libXrandr libXScrnSaver \
     libXtst pango at-spi2-atk libXt xorg-x11-server-Xvfb \
@@ -15,6 +15,6 @@ RUN yum install -y atk cups-libs gtk3 libXcomposite alsa-lib \
 COPY --from=build /opt/chrome-linux /opt/chrome
 COPY --from=build /opt/chromedriver/ /opt/
 
-COPY target/classes ${LAMBDA_TASK_ROOT}
-COPY target/dependency/* ${LAMBDA_TASK_ROOT}/lib/
+COPY build/classes/kotlin/main ${LAMBDA_TASK_ROOT}
+COPY build/dependency/* ${LAMBDA_TASK_ROOT}/lib/
 CMD [ "MainKt::handleRequest" ]