Multi-stage Quarkus GraalVM builds do not produce runnable images about imagebuilder HOT 5 CLOSED

Full build log attached
quarkus-native-image-build-imagebuilder.log

from imagebuilder.

Looks like the issue is with the line:

COPY --from=build /usr/src/app/target/*-runner /work/application

It puts *-runner into a directory called application, rather than moving *-runner to the file application. We need support for both Docker and imagebuilder so had to implement the following workaround:

Create a script to move the item in the directory to the directory location (if it's a directory):

#!/bin/bash

# This file is required due to differences between how openshift imagebuilder treats docker multistage files, and how native docker acts
# Consider the following line:
# COPY --from=build /usr/src/app/target/*-runner /work/application
#
# Native docker will create a single executable called "application" in the work directory
# Imagebuilder will take the approach of creating an application directory underneath work, and putting *-runner into that directory
# 
# We need both approaches to work, so we need to work out if "application" is a directory, if it is then we need to take the first
# (and hopefully only) file in there and call it "application"

if [ -d /work/application ]; then
  mv /work/application /work/applicationdir
  mv /work/applicationdir/*-runner /work/application
fi

Then run it in the dockerfile:

COPY deploy/scripts/move.sh /work
RUN chmod 775 /work/move.sh
RUN /work/move.sh

from imagebuilder.

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