go-playground

docker-compose up
docker-compose exec app bash

go1.20rc1

go1.20rc1 vet ./sandbox/main_test.go  

install

$ go install golang.org/dl/go1.20@latest
$ go1.20 download
$ go1.20 version

db

cd mysql
docker-compose up
mysql -uroot -h 127.0.0.1 -P 13306 -proot_password