Remove gosu untrusted signature
The GPG signature of gosu package is not trusted
and thus the import fails.
Package is downloaded from GitHub over HTTPS so
it should be already protected from man-in-the-middle
modifications.
Change-Id: If5e1704320432f97ec32ae6b7a82239de0f94539
diff --git a/jenkins-docker/master/Dockerfile b/jenkins-docker/master/Dockerfile
index 9945444..e5cfc2e 100644
--- a/jenkins-docker/master/Dockerfile
+++ b/jenkins-docker/master/Dockerfile
@@ -95,9 +95,6 @@
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc" \
&& export GNUPGHOME="$(mktemp -d)" \
- && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
- && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
- && rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true
