WIP: Ubi9 multistage template #446
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These ImageStream definitions are very out-of-date. The "release" branch contains the maintained ImageStreams. Remove these ones. Signed-off-by: Jonathan Dowland <[email protected]>
This is an attempt to capture all of the configuration for the second phase of a two-stage build: the first stage (not described) is a normal S2I-based build, and the second (this one) plucks the artifacts from the first phase and copies them into the runtime images. The technique was described here: <https://red.ht/lean-java-containers> The purpose of committing the template to the source repository is to help to ensure we maintain it and update it to prevent bit rot. To use: 1. Ensure your OpenShift instance has java ImageStreams. In particular the java-runtime imagestream, tag :latest. E.g., from the 'release' branch: oc create -f templates/community-image-streams.json oc create -f templates/rutime-image-streams.json 2. Define a new-app (oc new-app ...) based on a builder image. Care should be taken to align the JDK version in the builder with java-runtime:latest. The build needs to output to the ImageStream "quarkus-quickstart" and must be a self-contained application within /deployments, and for which the run-java.sh script can correctly detect the start-up JAR. E.g. oc new-app --name=quarkus-quickstart \ --image-stream=java:latest \ --context-dir=getting-started \ https://github.com/quarkusio/quarkus-quickstarts 3. Load this template oc create -f templates/multistage.yaml Signed-off-by: Jonathan Dowland <[email protected]>
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WIP! TODO:
oc new-appoutputs) for a true one-shotThis is an attempt to capture all of the configuration for the second phase of a two-stage build: the first stage (not described) is a normal S2I-based build, and the second (this one) plucks the artifacts from the first phase and copies them into the runtime images.
The technique was described here: https://red.ht/lean-java-containers
The purpose of committing the template to the source repository is to help to ensure we maintain it and update it to prevent bit rot.
To use:
E.g., from the 'release'
oc new-app ...) based on a builder image. Care should be taken to align the JDK version in the builder with java-runtime:latest.The build needs to output to the ImageStream "quarkus-quickstart" and must be a self-contained application within /deployments, and for which the run-java.sh script can correctly detect the start-up JAR.
E.g.