Add a tag with OpenJDK 11

Author: prantlf

Dockerfile

@@ -2,7 +2,8 @@ FROM prantlf/node-git:lts-alpine
 LABEL maintainer="Ferdinand Prantl <[email protected]>"
 
 # From https://github.com/docker-library/openjdk/tree/dd54ae37bc44d19ecb5be702d36d664fed2c68e4
+ARG JAVER=11
 ENV LANG C.UTF-8
-ENV JAVA_HOME /usr/lib/jvm/java-1.8-openjdk/jre
-ENV PATH $PATH:/usr/lib/jvm/java-1.8-openjdk/jre/bin:/usr/lib/jvm/java-1.8-openjdk/bin
-RUN apk --no-cache add openjdk8-jre
+ENV JAVA_HOME /usr/lib/jvm/default-jvm/jre
+ENV PATH $PATH:/usr/lib/jvm/default-jvm/jre/bin:/usr/lib/jvm/default-jvm/bin
+RUN apk --no-cache add openjdk${JAVER}-jre

Makefile

@@ -7,17 +7,22 @@ lint ::
 		-e XDG_CONFIG_HOME=/bin hadolint/hadolint \
 		< Dockerfile
 
-build ::
-	docker build -t node-git-chromium-java .
+build :: build8 build11
 
-shell ::
-	docker run --rm -t -i node-git-chromium-java busybox sh
-
-tag ::
+build8 ::
+	docker build --build-arg JAVER=8 -t node-git-chromium-java .
 	docker tag node-git-chromium-java prantlf/node-git-chromium-java:lts-alpine-java8
 
+build11 ::
+	docker build --build-arg JAVER=8 -t node-git-chromium-java .
+	docker tag node-git-chromium-java prantlf/node-git-chromium-java:lts-alpine-openjdk
+
+run ::
+	docker run --rm -t -i node-git-chromium-java busybox sh
+
 login ::
 	docker login --username=prantlf
 
 push ::
 	docker push prantlf/node-git-chromium-java:lts-alpine-java8
+	docker push prantlf/node-git-chromium-java:lts-alpine-openjdk

README.md

@@ -4,18 +4,21 @@
 
 [![nodesource/node](http://dockeri.co/image/prantlf/node-git-chromium-java)](https://hub.docker.com/repository/docker/prantlf/node-git-chromium-java/)
 
-[This image] is supposed to build and test [Node.js packages (NPM modules)], which include dependencies pulled by [Git] and their tests need [headless Chromium] driven by [Selenium]. ([Java 8] is included.) It is built automatically on the top of the tag `lts-alpine` from the [node repository], so that it always runs the current [LTS version] of [Node.js] in the latest [Alpine Linux]. [Git], [Chromium] and [Java 8] have to be updated from time to time by triggering a new build manually.
+[This image] is supposed to build and test [Node.js packages (NPM modules)], which include dependencies pulled by [Git] and their tests need [headless Chromium] driven by [Selenium]. ([Java 8)] or [OpenJDK] are included.) It is built automatically on the top of the tag `lts-alpine` from the [node repository], so that it always runs the current [LTS version] of [Node.js] in the latest [Alpine Linux]. [Git], [Chromium] and [Java 8]/[OpenJDK] have to be updated from time to time by triggering a new build manually.
 
 ## Tags
 
 - [`lts-alpine-java8`]
+- [`lts-alpine-openjdk`]
 
 ## Install
 
 ```
 docker pull prantlf/node-git-chromium-java
 # or
 docker pull prantlf/node-git-chromium-java:lts-alpine-java8
+# or
+docker pull prantlf/node-git-chromium-java:lts-alpine-openjdk
 ```
 
 ## Use
@@ -24,24 +27,20 @@ See [how to use the base node image] for more information.
 
 ## Build, Test and Publish
 
-The local image is built as `node-git-chromium-java` and pushed to the docker hub with the tag `prantlf/node-git-chromium-java:lts-alpine-java8`.
+The local image is built as `node-git-chromium-java` and pushed to the docker hub with tags `prantlf/node-git-chromium-java:lts-alpine-java8` and `prantlf/node-git-chromium-java:lts-alpine-openjdk`.
 
 Remove an old local image:
 
     make clean
 
-Build a new local image:
+Build and tag new local images:
 
     make build
 
-Enter an interactive shell inside the created image:
+Enter an interactive shell inside the latest created image:
 
     make run
 
-Tag the local image for pushing:
-
-    make tag
-
 Login to the docker hub:
 
     make login
@@ -58,13 +57,15 @@ Licensed under the MIT license.
 
 [Docker]: https://www.docker.com/
 [This image]: https://hub.docker.com/repository/docker/prantlf/node-git-chromium-java
-[`lts-alpine`]: https://hub.docker.com/repository/docker/prantlf/node-git-chromium-java/tags
+[`lts-alpine-java8`]: https://hub.docker.com/repository/docker/prantlf/node-git-chromium-java/tags
+[`lts-alpine-openjdk`]: https://hub.docker.com/repository/docker/prantlf/node-git-chromium-java/tags
 [Node.js packages (NPM modules)]: https://docs.npmjs.com/about-packages-and-modules
 [Git]: https://git-scm.com/
 [headless Chromium]: https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
 [Chromium]: https://www.chromium.org/
 [Selenium]: https://www.selenium.dev/
 [Java 8]: https://www.java.com/
+[OpenJDK]: https://openjdk.java.net/
 [node repository]: https://hub.docker.com/_/node
 [LTS version]: https://nodejs.org/en/about/releases/
 [Node.js]: https://nodejs.org/