diff --git a/images/Dockerfile.full b/images/Dockerfile.full
index 0df644f..a5aaa74 100644
--- a/images/Dockerfile.full
+++ b/images/Dockerfile.full
@@ -7,7 +7,8 @@ ADD devstatscode.tar .
 ADD devstats-docker-images.tar .
 ADD grafana-bins.tar .
 RUN cp replacer patches/patch.sh /usr/bin/
-RUN patch.sh testsrv devstats-demo.net
+RUN patch.sh testsrv devstats-demo.net 'cncf prometheus'
+RUN patch.sh testsrv devstats.graphql.org 'graphql graphqljs graphiql expressgraphql graphqlspec'
 RUN make -f ./images/Makefile.full dockerinstall
 RUN make -f ./images/Makefile.full links
 FROM alpine
diff --git a/images/Dockerfile.minimal b/images/Dockerfile.minimal
index 4ade825..64f4595 100644
--- a/images/Dockerfile.minimal
+++ b/images/Dockerfile.minimal
@@ -7,7 +7,8 @@ ADD devstatscode.tar .
 ADD devstats-docker-images.tar .
 ADD grafana-bins.tar .
 RUN cp replacer patches/patch.sh /usr/bin/
-RUN patch.sh testsrv devstats-demo.net
+RUN patch.sh testsrv devstats-demo.net 'cncf prometheus'
+RUN patch.sh testsrv devstats.graphql.org 'graphql graphqljs graphiql expressgraphql graphqlspec'
 RUN make -f ./images/Makefile.minimal dockerinstall
 FROM alpine
 RUN apk add git bash
diff --git a/patches/patch.sh b/patches/patch.sh
index b30ed61..99c6ea4 100755
--- a/patches/patch.sh
+++ b/patches/patch.sh
@@ -9,6 +9,13 @@ then
   echo "$0: you need to specify hostname: devstats-demo.net, graphql.devstats.org etc."
   exit 2
 fi
+if [ -z "$3" ]
+then
+  echo "$0: projects to patch not specified, assuming all"
+  projs="."
+else
+  projs="$3"
+fi
 if [ "$1" = "prodsrv" ]
 then
   fromh='devstats.cncf.io'
@@ -19,7 +26,8 @@ else
   echo "$0: 1st arg must be either prodsrv or testsrv, got: $1"
   exit 3
 fi
-files=`find ./metrics/ -name vars.yaml -o -name sync_vars.yaml` || exit 4
+cd metrics || exit 4
+files=`find $projs -name vars.yaml -o -name sync_vars.yaml` || exit 5
 for fn in $files
 do
   echo "Patching $fn"