ko Has a Free API: Build Go Container Images Without a Dockerfile
go
dev.to
Why ko Exists If you write Go services, you do not need a Dockerfile. ko builds minimal container images directly from Go source code — no Docker daemon, no multi-stage builds, just ko build ./cmd/app. Install go install github.com/ko-build/ko@latest Build and Push in One Command # Set your registry export KO_DOCKER_REPO=ghcr.io/myorg # Build and push ko build ./cmd/server # Output: ghcr.io/myorg/server@sha256:abc123... # Build for local developmen