playground: update deployment instructions

Change-Id: I5a43957ee86c7a068440f8d9e45c247b5ef660d1
Reviewed-on: https://go-review.googlesource.com/27080
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/README b/README
deleted file mode 100644
index fb6426b..0000000
--- a/README
+++ /dev/null
@@ -1,14 +0,0 @@
-This subrepository holds the source for the Go playground. https://play.golang.org/
-
-To submit changes to this repository, see http://golang.org/doc/contribute.html.
-
-To deploy a new sandbox server, use the gcloud tool:
-
-$ gcloud --project golang-org preview app deploy --no-promote sandbox/app.yaml
-
-Use the Cloud Console's to set the new version as the default:
-	https://cloud.google.com/console/appengine/versions?project=golang-org&moduleId=sandbox
-Then test that play.golang.org and tour.golang.org are working before deleting
-the old version.
-
-
diff --git a/README.md b/README.md
index 162b7d6..c68adf8 100644
--- a/README.md
+++ b/README.md
@@ -3,14 +3,16 @@
 This subrepository holds the source for various packages and tools that support
 the Go playground: https://play.golang.org/
 
-## building
+To submit changes to this repository, see http://golang.org/doc/contribute.html.
+
+## Building
 
 ```
 # build the sandbox image
 docker build -t sandbox sandbox/
 ```
 
-## running
+## Running
 
 ```
 # run the sandbox
@@ -23,32 +25,15 @@
 
 To submit changes to this repository, see http://golang.org/doc/contribute.html.
 
-# deployment
+# Deployment
 
-## managed-vms
+(Googlers only) To deploy the front-end, use `play/deploy.sh`.
 
 ```
-gcloud preview app run app/app.yaml
-gcloud preview app run sandbox/app.yaml
-
-gcloud config set project golang-org
-gcloud preview app deploy app/app.yaml --version play
-gcloud preview app deploy sandbox/app.yaml --set-default
+gcloud --project golang-org app deploy sandbox/app.yaml --no-promote --version=17rc6
 ```
 
-## kubernetes
-
-```
-# sandbox
-docker push golang/playground-sandbox
-gcloud preview container replicationcontrollers create --config sandbox/kubernetes/controller.yaml
-gcloud preview container services create --config sandbox/kubernetes/service.yaml
-```
-
-## container-vm
-
-```
-# sandbox
-docker push golang/playground-sandbox
-gcloud compute instances create playground-sandbox-vm --image container-vm --metadata-from-file google-container-manifest=sandbox/container-vm.yaml
-```
+Use the Cloud Console's to set the new version as the default:
+	https://cloud.google.com/console/appengine/versions?project=golang-org&moduleId=sandbox
+Then test that play.golang.org and tour.golang.org are working before deleting
+the old version.
diff --git a/sandbox/app.yaml b/sandbox/app.yaml
index 200b8f9..8e6a30d 100644
--- a/sandbox/app.yaml
+++ b/sandbox/app.yaml
@@ -1,6 +1,5 @@
-module: sandbox
+service: sandbox
 runtime: custom
-api_version: go1
 vm: true
 
 automatic_scaling: