k8s go dev loop

dev loop for go projects in k8s

dev loop

manual

Need a local dev env + registry + a cluster

1. write dockerfile
2. write k8s manifest
3. write go code
4. docker build && docker push
5. kubectl apply / set
6. go to 3

ci

Need partial local env + CI system + registry + cluster

1. write dockerfile
2. write k8s manifest
3. write CI config to build + push + deploy
4. write go code
5. git commit && git push
6. go to 3

ko

ko is specialized for go, automagically generate a dockerfile, basically automates the manual loop.

Need a local dev env + registry + a cluster

1. write k8s manifest (replace image with go import path)
2. write go code
3. ko apply
4. go to 2 (or run with --watch)

skaffold

skaffold is a more general purpose version of ko, for more languages, supporting more flows, such as CI.

Supports rendering final manifests for final deploy

Need: whichever flow you're automating

1. write dockerfile
2. write k8s manifest
3. write go code
4. skaffold run
5. go to 3 (or run skaffold dev)