Adding scala and sbt to the image, setting SCALA_HOME and also mappin…

…g the scala cache folders to the shared folder

.gitignore

@@ -237,4 +237,13 @@ java-kotlin-aot/helloworld
 java-kotlin-aot/helloworld.build_artifacts.txt
 shared
 micronaut-nativeimage/hello/
-micronaut-webapp/loadTests/results-*
+micronaut-webapp/loadTests/results-*
+mn-python/env/
+functionGraphDemo/Rplot001.svg
+native-netty-plot/netty-plot.build_artifacts.txt
+native-netty-plot/src/main/resources/META-INF/native-image/*
+polyglot-javascript-java-r/Rplot001.svg
+polyglot-javascript-java-r/package-lock.json
+spring-r/Rplot001.svg
+scala-examples/scalac-native/project/
+scala-examples/scalac-native/scalac.build_artifacts.txt

docker-images/Dockerfile

@@ -10,9 +10,22 @@ RUN echo; echo " --- Micronaut version"; mn --version; echo
 COPY --from=workload-generator/wrk /tmp/wrk/wrk /usr/local/bin
 RUN echo "Testing 'wrk':"; wrk || true
 
-# Install smaller utilities needed during building of image in the slim image
+# Install other smaller utilities needed during building of image in the slim image
 RUN echo; echo "--- Installing wget, curl, vim, unzip in the slim image"; echo
-RUN apt-get update && apt-get install -yq --no-install-recommends wget curl vim unzip
+RUN apt-get update && apt-get install -yq --no-install-recommends \
+                      wget curl vim unzip gnupg2
+
+# Install scala and sbt
+# See https://www.scala-sbt.org/1.x/docs/Installing-sbt-on-Linux.html
+RUN echo; echo "--- Installing scala and sbt in the slim image"; echo
+RUN echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | tee /etc/apt/sources.list.d/sbt.list
+RUN echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | tee /etc/apt/sources.list.d/sbt_old.list
+RUN curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | apt-key add
+RUN apt-get update && apt-get install -yq --no-install-recommends scala sbt
+RUN echo "Scala version:"; scala -help; echo
+RUN echo "sbt version:"; sbt --version; echo
+ENV SCALA_HOME="/usr/share/scala" # this maps to the specific vesion of Scala for e.g. scala-2.11
+RUN echo; echo "SCALA_HOME=${SCALA_HOME}"; echo
 
 # Setup GraalVM paths
 ARG GRAALVM_HOME

runDockerImage.sh

@@ -29,18 +29,31 @@ GRADLE_REPO_ON_HOST="${SHARED_FOLDER}/_dot_gradle_folder"
 echo; echo "-- Creating/using folder '${GRADLE_REPO_ON_HOST}' mounted as '.gradle' folder inside the container (${GRADLE_REPO_INSIDE_CONTAINER})"
 mkdir -p ${GRADLE_REPO_ON_HOST}
 
+SBT_REPO_INSIDE_CONTAINER="/root/.sbt/"
+SBT_REPO_ON_HOST="${SHARED_FOLDER}/_dot_sbt_folder"
+echo; echo "-- Creating/using folder '${SBT_REPO_ON_HOST}' mounted as '.sbt' folder inside the container (${SBT_REPO_INSIDE_CONTAINER})"
+mkdir -p ${SBT_REPO_ON_HOST}
+
+IVY_REPO_INSIDE_CONTAINER="/root/.ivy2/"
+IVY_REPO_ON_HOST="${SHARED_FOLDER}/_dot_ivy_folder"
+echo; echo "-- Creating/using folder '${IVY_REPO_ON_HOST}' mounted as '.ivy*' folder inside the container (${IVY_REPO_INSIDE_CONTAINER})"
+mkdir -p ${IVY_REPO_ON_HOST}
+
 echo; echo "--- Running docker image for GraalVM version ${FULL_GRAALVM_VERSION} for ${WORKDIR}"; echo
 docker run --rm                                                    \
             --interactive --tty                                    \
 	        --volume $(pwd):${WORKDIR}                             \
         	--volume "${M2_ON_HOST}":${M2_INSIDE_CONTAINER}        \
             --volume "${GRADLE_REPO_ON_HOST}":${GRADLE_REPO_INSIDE_CONTAINER} \
+            --volume "${SBT_REPO_ON_HOST}":${SBT_REPO_INSIDE_CONTAINER} \
+            --volume "${IVY_REPO_ON_HOST}":${IVY_REPO_INSIDE_CONTAINER} \
         	--workdir ${WORKDIR}                                   \
         	--env GRAALVM_HOME=${GRAALVM_HOME_FOLDER}              \
         	--entrypoint /bin/bash                                 \
-        	-p 8888:8888                                           \
-        	-p 8088:8088                                           \
-        	-p 8080:8080                                           \
+            -p 3000:3000                                           \
             -p 8081:8081                                           \
+        	-p 8080:8080                                           \
+        	-p 8088:8088                                           \
             -p 8443:8443                                           \
+        	-p 8888:8888                                           \
         	${FULL_DOCKER_TAG_NAME}:${FULL_GRAALVM_VERSION}