To run this app you need perl itself and some additional perl-packages. Here is a list of required packages:

• Dancer2
• Dancer2::Plugin::Database
• DBD::SQLite (or any other DB package)
• Dancer2::Plugin::REST
• Dancer2::Plugin::Cache::CHI
• LWP::UserAgent
• Syntax::Keyword::Try

You need to create config.yml and fill it with some data. Example is below

appname: "Images Proxy"
charset: "UTF-8"

serializer: "JSON"

plugins:
  Database:
    driver: "SQLite"
    database: 'app.sqlite'
  "Cache::CHI":
    driver: "Memory"
    global: 1

logger: Console

api_key: "<PUT_YOUR_TOKEN_HERE>"

engines:
  logger:
    Console:
      log_level: core

Just run perl ./app.pl and app is ready to reciewe requests on http://localhost:3000.