Scott Frederick 29253264b4 Improve Docker API 5xx error messages
This commit improves the error messages returned by the Spring Boot
build plugins when a 5xx status code is returned from the Docker
API while attempting to build an image. If the error response has
contents containing a JSON structure with a "message" key, the value
associated with that key will be included in the exception message
and in the build plugin output error.

Fixes gh-21515
2020-06-03 16:53:44 -05:00
..
2020-06-03 16:53:44 -05:00