reduce image size (GoogleCloudPlatform#1655)

averikitsch · web-flow · commit a6267075e569 · 2019-11-06T19:45:45.000-08:00
diff --git a/run/image-processing/Dockerfile b/run/image-processing/Dockerfile
@@ -18,7 +18,7 @@ RUN mvn package -DskipTests
 # It's important to use OpenJDK 8u191 or above that has container support enabled.
 # https://hub.docker.com/r/adoptopenjdk/openjdk11
 # https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
-FROM adoptopenjdk/openjdk11:alpine
+FROM adoptopenjdk/openjdk11:alpine-slim
 
 # Install Imagemagick into the container image.
 # For more on system packages review the system packages tutorial.
