This commit updates the file docker's entrypoint script looks for when
deciding to process the ELASTIC_PASSWORD env var. The x-pack subdir
of bin no longer exists in 7.0, where the backcompat layer for x-pack
script locations was removed.
closes#37240
With this commit we instruct curl to retry with a backoff when
downloading the JDK for the Elasticsearch Docker image. This avoids
build failures on transient network issues. Note that this option
requires curl 7.12.3 or better.
Relates #37103
Relates #37113
This commit introduces the building of the Docker images as bonafide
packaging formats alongside our existing archive and packaging
distributions. This build is migrated from a dedicated repository, and
converted to Gradle in the process.
