$ git clone git@github.com:cage1016/skaffold-debug-go-demo.git

$ skaffold debug -p debug
Listing files to watch...
List generated in 71.108µs
Generating tags...
 - cage1016/skaffold-debug-go-demo-addsvc -> cage1016/skaffold-debug-go-demo-addsvc:latest
Tags generated in 109.42µs
Checking cache...
 - cage1016/skaffold-debug-go-demo-addsvc: Found. Tagging
Cache check complete in 23.601845ms
Tags used in deployment:
 - Since images are not pushed, they can't be referenced by digest
   They are tagged and referenced by a unique ID instead
 - cage1016/skaffold-debug-go-demo-addsvc -> cage1016/skaffold-debug-go-demo-addsvc:88f846061af2d34e8347a6325dcf48bb638f6baa50fd4599240fa5280054048e
Starting deploy...
 - deployment.apps/addsvc created
 - service/addsvc created
Deploy complete in 553.254965ms
Watching for changes...
[addsvc-57b9475fd7-775tm install-go-support] Installing runtime debugging support files in /dbg
[addsvc-57b9475fd7-775tm install-go-support] Installation complete
[addsvc-57b9475fd7-775tm addsvc] API server listening at: 127.0.0.1:56268
[addsvc-57b9475fd7-775tm addsvc] level=info ts=2019-10-03T15:00:28.7135241Z caller=main.go:138 service=addsvc protocol=HTTP exposed=8020
[addsvc-57b9475fd7-775tm addsvc] level=info ts=2019-10-03T15:00:28.7149999Z caller=main.go:151 service=addsvc protocol=GRPC protocol=GRPC exposed=8021
[addsvc-57b9475fd7-775tm install-go-support] <Container was Terminated>

$ make sum
curl -X "POST" "http://localhost:8020/sum" -H 'Content-Type: application/json; charset=utf-8' -d '{ "a": 3, "b": 34}'
{"rs":37,"err":null}

$ make concat
curl -X "POST" "http://localhost:8020/concat" -H 'Content-Type: application/json; charset=utf-8' -d '{ "a": "3", "b": "34"}'
{"rs":"334","err":null}