faas/README.md

faas

Functions as a service

gateway

This container acts in a similar way to the API Gateway on AWS. Requests can be made to this endpoint with a JSON body.

Features:

• auto-scaling of replicas as load increases
• backing off of replicas as load reduces
• unique URL routes for serverless functions
• instrumentation via Prometheus metrics at GET /metrics

watchdog

This binary fwatchdog acts as a watchdog for your function. Features:

• Static binary in Go
• Listens to HTTP requests over swarm overlay network
• Spawns process set in fprocess ENV variable for each HTTP connection
• Only lets processes run for set duration i.e. 500ms, 2s, 3s.
• Language/binding independent