bundle install
bundle exec rackup config.ru -o 0.0.0.0

docker build -f Dockerfile -t kakakikikeke/request-dumper ./
docker run -p 8080:8080 -d kakakikikeke/request-dumper

heroku container:login
heroku create -a test-app-20181002
docker build -f Dockerfile-for-heroku-container -t registry.heroku.com/test-app-20181002/web .
docker push registry.heroku.com/test-app-20181002/web
heroku container:release web
heroku open -a test-app-20181002

git clone https://github.com/kakakikikeke/request-dumper.git
cd request-dumper
gcloud app deploy

helm repo add request-dumper http://kakakikikeke.github.io/request-dumper/
helm repo update
helm search repo request-dumper
helm install request-dumper request-dumper/request-dumper

curl -X GET \
  http://hostname:9292/test?hoge=fuga

{
    "body": "\"\"",
    "params": "{\"hoge\":\"fuga\",\"splat\":[\"test\"],\"captures\":[\"test\"]}",
    "path_info": "/test",
    "method": "GET",
    "query_string": "hoge=fuga",
    "content_length": null,
    "media_type": null,
    "form_data": false
}

curl -X POST \
  http://hostname:9292/test \
  -d '{"hoge":"fuga"}' \
  -H "Content-Type: application/json"

{
    "body": "{\"hoge\":\"fuga\"}",
    "params": "{\"splat\":[\"test\"],\"captures\":[\"test\"]}",
    "path_info": "/test",
    "method": "POST",
    "query_string": "",
    "content_length": "15",
    "media_type": "application/json",
    "form_data": false
}

curl -X GET \
  http://hostname:9292/metrics