devepolments
go install
gvm install go1.7.1
gvm use go1.7.1
app set up
make deps
make build
db set up
bundle exec rake db:create or mysql -u root < db/create_database.sql
bundle exec rake db:migrate
make other commands
make help
import rate of bit coint by coin check
make run_import
run api server
make run_api_server
run app server
make run_app_server