Features

#248 Upgrade to go 1.12 and migrated to go mod
#253 Support JSON format for logrus logging. Thanks to @croemmich
#257 Relax the key validation to accept ^[\w\d-]+$. Thanks to @raviambati
#262 Fix health check endpoint to return Content-Type with application/json instead of just empty response.

Bug Fixes

#260 Bump webpack bundle analyzer