Add chmod step to Varnish dockerfiles

Author: bbatsche

images/varnish/4.0/Dockerfile

@@ -16,6 +16,7 @@ ENV VARNISHD_PARAMS -p default_ttl=3600 -p default_grace=3600 -p feature=+esi_ig
 
 COPY etc/varnish.vcl /data/varnish.vcl
 
+RUN ["chmod", "644", "/data/varnish.vcl"]
 RUN ["chmod", "+x", "/entrypoint.sh"]
 
 ENTRYPOINT ["/entrypoint.sh"]

images/varnish/6.2/Dockerfile

@@ -1,3 +1,5 @@
 FROM varnish:6.2
 
 COPY etc/default.vcl /etc/varnish/
+
+RUN ["chmod", "644", "/etc/varnish/varnish.vcl"]