Testing GCP Cloud Functions Locally with Docker Compose and Summon

I use GCP Cloud Functions quite a bit, but testing them locally can be challenging. Here's how I do it. Package and run with Docker The first step is to build one container per function. I use Docker for this, with two steps. Add an executable entrypoint My functions are written in Go, so I add a cmd/main.go to my codebase to run an HTTP server that calls the function logic: package main import ( "log" "os" // Blank-import the function package so the init() runs _ "yourfunctionpackage" "github.c