Reference https://docs.docker.com/compose/rails/
This app uses Rails6
Install yarn to install webpacker
use make command
check makefile out for details
First step
$ make build
Second step
$ make up
Third step
$ make db-create
If you can do this, please access http://localhost:3000
First step
$ rm -rf config/credentials.yml.enc
Last step
$ sudo EDITOR="vi" bin/rails credentials:edit