diff --git a/provider/indexer-gcp/scripts/deploy2gcp.sh.tmpl b/provider/indexer-gcp/scripts/deploy2gcp.sh.tmpl
index e556aa11dd0dc02461cd2666fb7bb77cb2638b64..269585f74061f31dc85360dfabdbfef2d472495d 100644
--- a/provider/indexer-gcp/scripts/deploy2gcp.sh.tmpl
+++ b/provider/indexer-gcp/scripts/deploy2gcp.sh.tmpl
@@ -66,6 +66,10 @@ then
 
         echo "Replacing GOOGLE_CLOUD_PROJECT_PLACE_HOLDER with $PROJECT_ID"
         sed -i "s|GOOGLE_CLOUD_PROJECT_PLACE_HOLDER|$PROJECT_ID|g" app.yaml
+        sed -i -e "s|AUTHORIZE_API_VAR|$AUTHORIZE_API|g" app.yaml
+        sed -i -e "s|CRON_JOB_IP_VAR|$CRON_JOB_IP|g" app.yaml
+        sed -i -e "s|LEGAL_HOSTNAME_VAR|$LEGAL_HOSTNAME|g" app.yaml
+        sed -i -e "s|REGION_VAR|$REGION|g" app.yaml
 
         echo "Content of app.yaml:"
         cat app.yaml
diff --git a/provider/indexer-gcp/src/main/appengine/app.yaml b/provider/indexer-gcp/src/main/appengine/app.yaml
index 730fb9b3a7f858a87ea128206d7d48c434d3d078..905d3b69f69ed2b4d652bf0ce3d54eba101fcd0a 100644
--- a/provider/indexer-gcp/src/main/appengine/app.yaml
+++ b/provider/indexer-gcp/src/main/appengine/app.yaml
@@ -34,3 +34,7 @@ handlers:
 
 env_variables:
   GOOGLE_CLOUD_PROJECT: "GOOGLE_CLOUD_PROJECT_PLACE_HOLDER"
+  AUTHORIZE_API: "AUTHORIZE_API_VAR"
+  CRON_JOB_IP: "CRON_JOB_IP_VAR"
+  LEGAL_HOSTNAME: "LEGAL_HOSTNAME_VAR"
+  REGION: "REGION_VAR"