Autoscaling from upstream image (#1027)

* Ignore node_modules everywhere in Docker builds

* Scale up new mirror to instances of old

* Leave autoscaling to upstream image

* No echo

.dockerignore

@@ -36,6 +36,7 @@ bower_components
 
 # Dependency directories
 node_modules/
+**/node_modules/
 jspm_packages/
 
 # TypeScript v1 declaration files

deploy/cloud-foundry/Dockerfile

@@ -1,8 +1,9 @@
 FROM europeana/cf-blue-green-deploy:main
 
+ENV CF_APP_TYPE=buildpack
+
 # openssh-client used by ELK registration command
-RUN apk add -q openssh-client && \
-    cf install-plugin app-autoscaler-plugin -f -r CF-Community
+RUN apk add --no-cache -q openssh-client
 
 COPY hooks /hooks
 

deploy/cloud-foundry/hooks/post-push

@@ -2,18 +2,15 @@
 
 set -e
 
+app_guid() {
+  cf app $1 --guid | head -1
+}
+
 new_app_name=$2
+new_app_guid=$(app_guid $2)
 
 if [ "${ELK_SERVICE_REGISTRATION_COMMAND}" != "" ]; then
-  echo
   echo "Registering with ELK service"
-  new_app_guid="$(cf app ${new_app_name} --guid | head -1)"
   ${ELK_SERVICE_REGISTRATION_COMMAND} ${new_app_name} ${new_app_guid}
   echo "OK"
 fi
-
-if [ -f "/autoscaling-policy.json" ]; then
-  echo
-  echo "Attaching autoscaling policy"
-  cf attach-autoscaling-policy ${new_app_name} /autoscaling-policy.json
-fi