Execute within same instruction otherwise file remains in image layer

Author: BenHall

Dockerfile

@@ -6,8 +6,7 @@ ARG GitVersionZip
 # Add GitVersion
 
 ADD ./releaseArtifacts/$GitVersionZip .
-RUN unzip -d /usr/lib/GitVersion/ $GitVersionZip
-RUN rm $GitVersionZip
+RUN unzip -d /usr/lib/GitVersion/ $GitVersionZip && rm $GitVersionZip
 WORKDIR /usr/lib/GitVersion/
 
 # Libgit2 can't resolve relative paths, patch to absolute path
@@ -16,4 +15,4 @@ RUN sed -i 's|lib/linux/x86_64|/usr/lib/GitVersion/lib/linux/x86_64|g' /usr/lib/
 RUN mkdir /repo
 VOLUME /repo
 
-ENTRYPOINT ["mono", "./GitVersion.exe", "/repo"]
+ENTRYPOINT ["mono", "./GitVersion.exe", "/repo"]