docker,worker: install zstd

Faster compression with partly better rates. Should be used eventually
for ImageBuilders etc.

Signed-off-by: Paul Spooren <mail@aparcar.org>

diff --git a/docker/buildworker/Dockerfile b/docker/buildworker/Dockerfile
index 6008cdb62ba060ad09cbcb30e7f8551983b4576f..a81c35be70404213a6525e8ad5634d9a67bfae7b 100644 (file)
--- a/docker/buildworker/Dockerfile
+++ b/docker/buildworker/Dockerfile
@@ -38,7 +38,8 @@ RUN \
                subversion \
                swig \
                unzip \
-               wget && \
+               wget \
+               zstd && \
        apt-get clean && \
        localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8