Update Alpine images

cmake/docker/alpine/java.Dockerfile

@@ -0,0 +1,30 @@
+FROM ortools:alpine_swig AS env
+ENV JAVA_HOME=/usr/lib/jvm/java-1.8-openjdk
+RUN apk add --no-cache openjdk8 maven
+
+FROM env AS devel
+WORKDIR /home/lib
+COPY . .
+
+FROM devel AS build
+RUN cmake -S. -Bbuild -DBUILD_DEPS=ON -DBUILD_JAVA=ON
+RUN cmake --build build --target all -v
+RUN cmake --build build --target install
+
+FROM build AS test
+RUN cmake --build build --target test
+
+FROM env AS install_env
+COPY --from=build /usr/local /usr/local/
+
+FROM install_env AS install_devel
+WORKDIR /home/sample
+COPY ci/sample .
+
+FROM install_devel AS install_build
+RUN cmake -S. -Bbuild -DBUILD_DOTNET=ON
+RUN cmake --build build --target all -v
+RUN cmake --build build --target install
+
+FROM install_build AS install_test
+RUN cmake --build build --target test