removing zeroconf /etc/distcc/hosts

apps/distcc/Dockerfile

@@ -8,8 +8,10 @@ RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.li
     multiarch-support dpkg-dev distcc ccache \
     build-essential gcc cpp g++ clang llvm && \
 	apt-get clean -y && \ 
-	rm -rf /var/lib/apt/lists/* && \
-	rm -rf /var/cache/apt/*
+	rm -rf /var/lib/apt/lists/*; \
+	rm -rf /var/cache/apt/*; \
+	#removing distcc conf, no zeroconf
+	rm -fv /etc/distcc/hosts
 	
 # Op port
 EXPOSE 3632