tree a1bd797597963d7613139d90002534a83f492f18
parent bdab65963af7d31827ca05799b4859339c3c1942
author Matthias Andreas Benkard <code@mail.matthias.benkard.de> 1608467852 +0100
committer Matthias Andreas Benkard <code@mail.matthias.benkard.de> 1608534967 +0100

Switch to Azul Zulu.

The Alpine Zulu 15-jre Docker image is much smaller than the OpenJDK
15-slim image (65 MB vs. 200 MB), which is a good enough reason to
switch to it.

Change-Id: Ibde104f6f4217b06af756e842e45f07e243509db