This demonstrates how to use github.com/google/ko packages as a libary to
build and publish Go code from your own Go binaries, similar to how the ko
CLI itself works.
go run ./
This will build and push this code to gcr.io/imjasonh (unless it fails
because you're not authorized), based on gcr.io/distroless/static:nonroot.
The image will be tagged with a nonsense commit SHA, and that value will be set
in a const in the code using ldflags.