show service environment (id, pw, host, dbname)

index.rb

require 'rubygems' # for ruby18
require 'sinatra'
require 'json'
require 'yaml'

get '/' do
  "<h1>Hello Tamac.io!!</h1>"
end

get '/version' do
  "Ruby version: #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}"
end

get '/env' do
  ENV.map { |key, value| "#{key}: #{value}" }.join("<br/>")
end

get '/service-env' do
  content_type 'text'
  JSON.parse(ENV["VCAP_SERVICES"]).inject({}) do |output, item|
    service_tag = item.first
    service_array = item.last
    service_array.each do |instance|
      output[instance["name"]] = {
        "adapter" => service_tag,
        "hostname" => instance["credentials"]["host"],
        "database" => instance["credentials"]["name"],
        "username" => instance["credentials"]["user"],
        "password" => instance["credentials"]["password"],
      }
    end
    output
  end.to_yaml
end