Add a new workshop: Multi-Cloud Apps with GraalVM - Up and Running

native-image/spring-boot-webserver/Dockerfile.debian-slim.uber-jar

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+FROM container-registry.oracle.com/graalvm/jdk:23 AS build
+COPY . /webserver
+WORKDIR /webserver
+RUN ./mvnw clean package
+
+FROM gcr.io/distroless/java21-debian12
+COPY --from=build /webserver/target/webserver-0.0.1-SNAPSHOT.jar webserver-0.0.1-SNAPSHOT.jar 
+EXPOSE 8080 
+ENTRYPOINT ["java", "-jar", "webserver-0.0.1-SNAPSHOT.jar"]

native-image/spring-boot-webserver/Dockerfile.distroless-base.mostly

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+FROM gcr.io/distroless/base-debian12
+COPY target/webserver.mostly-static /
+EXPOSE 8080
+ENTRYPOINT ["/webserver.mostly-static"]

native-image/spring-boot-webserver/Dockerfile.distroless-java-base.dynamic

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+FROM gcr.io/distroless/java-base-debian12
+COPY target/webserver /
+EXPOSE 8080
+ENTRYPOINT ["/webserver"]

native-image/spring-boot-webserver/Dockerfile.distroless-java-base.dynamic-optimized

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+FROM gcr.io/distroless/java-base-debian12
+COPY target/webserver.dynamic-optimized /
+EXPOSE 8080
+ENTRYPOINT ["/webserver.dynamic-optimized"]

native-image/spring-boot-webserver/Dockerfile.distroless-java-base.jlink

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+FROM container-registry.oracle.com/graalvm/jdk:23 AS build
+COPY . /webserver
+WORKDIR /webserver
+RUN ./mvnw clean package
+RUN ./mvnw dependency:build-classpath -Dmdep.outputFile=cp.txt
+RUN jdeps --ignore-missing-deps -q --recursive --multi-release 23 --print-module-deps --class-path $(cat cp.txt) target/webserver-0.0.1-SNAPSHOT.jar
+RUN jlink \
+ --module-path ${JAVA_HOME}/jmods \
+ --add-modules java.base,java.compiler,java.desktop,java.instrument,java.management,java.naming,java.net.http,java.prefs,java.rmi,java.scripting,java.security.jgss,java.sql,jdk.jfr,jdk.unsupported,org.graalvm.nativeimage \
+ --verbose \
+ --strip-debug \
+ --compress zip-9 \
+ --no-header-files \
+ --no-man-pages \
+ --strip-java-debug-attributes \
+ --output jlink-jre
+
+FROM gcr.io/distroless/java-base-debian12
+COPY --from=build /webserver/target/webserver-0.0.1-SNAPSHOT.jar webserver-0.0.1-SNAPSHOT.jar
+COPY --from=build /webserver/jlink-jre jlink-jre
+EXPOSE 8080
+ENTRYPOINT ["jlink-jre/bin/java", "-jar", "webserver-0.0.1-SNAPSHOT.jar"]

native-image/spring-boot-webserver/Dockerfile.scratch.static

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+FROM scratch
+WORKDIR /tmp
+COPY target/webserver.static /
+EXPOSE 8080
+ENTRYPOINT ["/webserver.static"]

native-image/spring-boot-webserver/Dockerfile.scratch.static-upx

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+FROM scratch
+WORKDIR /tmp
+COPY target/webserver.static-upx /
+EXPOSE 8080
+ENTRYPOINT ["/webserver.static-upx"]

native-image/spring-boot-webserver/build-all.sh

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+#!/bin/sh 
+
+./build-jar.sh
+./build-jlink.sh
+./build-dynamic-image.sh
+./build-mostly-static-image.sh
+./build-static-image.sh
+./build-static-upx-image.sh
+
+echo "Generated Executables"
+ls -lh target/webserver*
+
+echo "Generated Docker Container Images"
+docker images webserver

native-image/spring-boot-webserver/build-dynamic-image-optimized.sh

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+#!/bin/sh
+
+# Compile with fully dynamically linked shared libraries; optimize for size
+./mvnw -Dmaven.test.skip=true -Pdynamic-size-optimized native:compile
+
+# Distroless Java Base-provides glibc and other libraries needed by the JDK
+docker build . -f Dockerfile.distroless-java-base.dynamic-optimized -t webserver:distroless-java-base.dynamic-optimized

native-image/spring-boot-webserver/build-dynamic-image.sh

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+#!/bin/sh
+
+# Compile with fully dynamically linked shared libraries
+./mvnw -Dmaven.test.skip=true native:compile
+
+# Distroless Java Base-provides glibc and other libraries needed by the JDK
+docker build . -f Dockerfile.distroless-java-base.dynamic -t webserver:distroless-java-base.dynamic

native-image/spring-boot-webserver/build-jar.sh

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+#!/bin/sh
+
+# Distroless Java Base-provides glibc and other libraries needed by the JDK
+docker build . -f Dockerfile.debian-slim.uber-jar -t webserver:debian-slim.jar

native-image/spring-boot-webserver/build-jlink.sh

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+#!/bin/sh
+
+rm -rf jlink-jre cp.txt
+
+# Distroless Java Base-provides glibc and other libraries needed by the JDK
+docker build . -f Dockerfile.distroless-java-base.jlink -t webserver:distroless-java-base.jlink

native-image/spring-boot-webserver/build-mostly-static-image.sh

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+#!/bin/sh
+
+# Compile linking zlib and JDK shared libraries except the standard C library (libc); optimize for size
+./mvnw -Dmaven.test.skip=true -Pnative,mostly-static native:compile
+
+# Distroless Base (provides glibc)
+docker build . -f Dockerfile.distroless-base.mostly -t webserver:distroless-base.mostly-static

native-image/spring-boot-webserver/build-static-image.sh

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+#!/bin/sh
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+TOOLCHAIN_DIR=${SCRIPT_DIR}/musl-toolchain
+PATH=${TOOLCHAIN_DIR}/bin:${PATH}
+
+# Create a statically linked binary that can be used without any additional library dependencies; optimize for size
+./mvnw -Dmaven.test.skip=true -Pnative,fully-static native:compile
+
+# Scratch-nothing
+docker build . -f Dockerfile.scratch.static -t webserver:scratch.static

native-image/spring-boot-webserver/build-static-upx-image.sh

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+#!/bin/sh
+
+rm -f target/webserver.static-upx
+
+# Compress with UPX
+./upx --lzma --best -o target/webserver.static-upx target/webserver.static
+
+# Scratch--fully static and compressed
+docker build . -f Dockerfile.scratch.static-upx -t webserver:scratch.static-upx

native-image/spring-boot-webserver/clean.sh

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+#!/bin/sh
+set +e
+
+./mvnw clean
+rm -rf jlink-jre cp.txt
+docker images webserver -q | grep -v TAG | awk '{print($1)}' | xargs docker rmi