![]() ![]() ![]() ( actualize JDK VERSION, URL and HASH value): # First stage: JDK 11 with modules required for Spring BootĮNV JDK_URL="$ -o /tmp/libz.tar. The Azul Commercial Compatibility Kit (ZCCK) is designed to ensure compatibility of Azul Zulu Builds of OpenJDK (Azul’s 100 open source, certified builds of OpenJDK) and Oracle’s proprietary Java SE 6-8. So, final Dockerfile looks smth like this copy compiled minimal Java distribution from stage 1 to the new image.compile Java minimal distribution for your project (aka JRE) using jlink tool.download and install Oracle OpenJDK archive on the first Docker build stage.Click Advanced and then Environment Variables. ![]() Set a PATH: Select Control Panel and then System. You may need Administrator privileges to extract the zip file to this location. use debian:stretch-slim (latest stable) base image C:\Program Files\Java\ and it will create a jdk-11 folder (where the bin folder is a direct sub-folder).Jedi path if we want to use official Oracle OpenJDK distribution on stable slim Linux version ( Debian 9 "Stretch" for now): OpenLogic provides free, quarterly builds of OpenJDK 8, OpenJDK 11, and OpenJDK 17 for Linux, Windows, and MacOS. Taking as an example of simple spring boot application (with only one REST endpoint) so far i was able to figure out the following solutions (considering application jar is located at build/libs/spring-boot-demo.jar before Docker build: What are optimized or recommended ways to build and deliver Java 11 applications as docker images? Expected it to be much smaller.Īs a result of these issues even slim Oracle Java 11 base images are quite heavy and considered to be unstable: jlink runtime image size (specifically libjvm.so) created from openjdk is huge.In the same time current stable Debian versions still doesn't have Java 11 packages ( Ubuntu has Java 10 installed under openjdk-11 packages), that's why unstable sid versions are used for base docker imagesĬurrently available Oracle openjdk-11 images build unstripped libjvm.so module, which has hundreds megabyte and must be stripped separately: javac -version javac 11.0.9.1 java -version openjdk version '11.0.9.1' OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.9.1+1) OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.9.Oracle OpenJDK 11 doesn't support Linux Alpine, so lightweight images can't be easily created JRE is not distributed as a separate "package". Inspired by question Why is the Java 11 base Docker image so large? (openjdk:11-jre-slim) I found that this topic in Java world is still not settled.Īs for there are common issues/pitfalls (discussed in the ticket above): ![]()
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