set up rl-human-prefs-api

[yamatokataoka]

• add a project structure with Go
• add Dockerfile
• add linters

[yamatokataoka]

Golint is deprecated and frozen.

[yamatokataoka]

it seems there are a lot of linters out there. https://about.sourcegraph.com/go/gophercon-2019-go-linters-myths-and-best-practices/

[yamatokataoka]

golangci-lint seems useful as a Go linters aggregator.

[yamatokataoka]

let's start from default config with gofmt to find out which ones are useful.

[yamatokataoka]

Docker command for Go development

docker run --rm -it \
 --name go-dev \
 -u $(id -u):$(id -g) \
 -w /app \
 -v $PWD:/app \
 -p 8080:8080 \
 -e GOCACHE=/tmp/.cache golang:1.17.4-alpine sh