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Smaller Web Hexagon

Illustration of a simple hexagon with one user (left) port and one database (right) port.

It simply calculates the formula:

result = input * rate


result = 100 * 1.1 = 110

The user port is connected to either the web or to a test harness, with or without the server adapter.

The database port looks up the rate in a database, either in-the-code database, or from a file.

The startup decides how the wiring goes.

Running the Application

Run rackup to get the web UI on port 9292

Running Tests

  • Enter test folder
  • Run ruby test_smaller_web_hexagon.rb