This is a work in progress (probably a long way off)
To provide a simple means of using Google Cloud Run as a reverse proxy to Cloud Run Services and Cloud Functions.
EXPOSE_ROUTES - Boolean, default = false. If true, the route config will be shown at /_routes
ENABLE_FIREBASE_CONFIG - Boolean, default = false. If true, the routes configuration will be loaded from FIREBASE_CONFIG_PATH
FIREBASE_CONFIG_PATH - String, default = null. Required if ENABLE_FIREBASE_CONFIG is true.
ROUTE_CONFIG - JSON string, default = null. Required if ENABLE_FIREBASE_CONFIG is false.