The Go Playground

Clone this repo:


  1. 7e9652a playground: clean up imports, some lint errors, and deprecated calls by Andrew Bonventre · 4 weeks ago master
  2. 5c653ad playground: More verbose error message by Pontus Leitzler · 3 months ago
  3. fd7594b sandbox: update to go1.9 by Chris Broadfoot · 6 weeks ago
  4. 73acb7d playground: allow CORS requests to /share by Andrew Bonventre · 7 weeks ago
  5. a7f2a54 sandbox: autoscale with 5 instances as a minimum by Chris Broadfoot · 4 months ago


This subrepository holds the source for various packages and tools that support the Go playground:

To submit changes to this repository, see


# build the sandbox image
docker build -t sandbox sandbox/


# run the sandbox
docker run -d -p 8080:8080 sandbox
# get docker host ip, try boot2docker fallback on localhost.
DOCKER_HOST_IP=$(boot2docker ip || echo localhost)
# run go some code
cat /path/to/code.go | go run ./sandbox/client.go | curl --data @- $DOCKER_HOST_IP:8080/compile

To submit changes to this repository, see


(Googlers only) To deploy the front-end, use play/

gcloud --project golang-org app deploy sandbox/app.yaml --no-promote --version=17rc6

Use the Cloud Console's to set the new version as the default: Then test that and are working before deleting the old version.