replace docker build with modern alternative

oracle / opengrok

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

http://oracle.github.io/opengrok/

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replace docker build with modern alternative #4496

Closed vladak closed 7 months ago

vladak commented 7 months ago

Building the Docker image starts with complaint, at least with Docker 24.0.5, build 24.0.5-0ubuntu1~22.04.1:

$ docker build -t opengrok-dev .
DEPRECATED: The legacy builder is deprecated and will be removed in a future release.
            Install the buildx component to build images with BuildKit:
            https://docs.docker.com/go/buildx/