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the very same beer store implemented in various stacks. also, frontends and backends are interchangeable

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sombriks/rosetta-beer-store

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rosetta-beer-store

The very same beer store implemented in various stacks. Also, front ends and back ends are interchangeable

Why

To compare stacks, analyze solutions, maybe give you a glimpse on what each approach can do.

Also because it's fun.

What do we have so far

Working API

  • beers listing
  • beer detail

Service Implementation

technology / feature REST API CORS Transparent JSON serialization DB schema migration Pooled db connection Hot-reload development mode Test Suite
javascript, knex, express YES YES YES YES YES YES YES
javascript, knex, koa YES YES YES YES YES YES YES
typescript, typeorm, nestjs YES YES YES YES YES YES ***
java, JEE YES NO* YES YES YES YES ***
java, flywaydb, spring boot YES YES YES YES YES NO YES
kotlin, ktorm, liquibase, javalin YES YES YES** YES YES NO ***
python, sqlalchemy, flask YES YES YES YES YES NO ***
go, gorm, gomigrate, martini YES YES YES YES NO NO ***
go, ent, sql-migrate, gin YES YES YES YES NO NO ***
ruby, rails YES YES YES YES NO YES ***

* for java project a simple filter can be set to adjust CORS

** ktorm and javalin/jackson needs special configuration, see retails here.

*** it could be implemented

Client Implementation

technology/feature Transparent JSON serialization Material Design implementation SPA Hot-reload development mode
javascript, vue, browserify YES YES YES YES
javascript, angularjs, CDN YES YES YES NO
javascript, react, webpack YES YES YES YES
typescript, sveltekit YES NO N/A YES
C++, Qt, qml, qt-creator NO NO N/A NO
javascript, cordova, vue, vue-cli YES YES YES NO
kotlin, android, android-studio YES YES N/A NO
vue, nativescript YES NO N/A YES

How does it work

Each project will have one README.md explaining how to fire the engines.

You will need at least one service and one client running in order to see a complete work.

We'll have clients and services.

Services must provide the very same REST API so their clients shall connect on it in a transparent way.

Therefore, all services must use port 3000.

You shall run just one service at time.

The clients have not such limitation.

However, you must correctly point them to the service address.

This is not a simple language comparison, but tooling as well.

Is there more than one way to set up a java service project? Let's have it!

More than one way to set up a javascript client project! Let's go!

Tell me more about this Beer Store

  • The Beer Store is a modern web app
    • It has a frontend and a back end
    • It has two roles: customer and manager
    • A default user called admin are available from the cold start
      • It has both customer and manager roles
    • New users can be created.
      • New users have only the customer role
      • The admin can grant the manager role for other users
      • An user can not change their own roles
    • Customers (i.e. users holding the customer role) can:
      • Register themselves into the store
      • Log in into the beer store
      • List beers
      • See beer details
      • Add a beer to the cart
      • Remove a beer from the cart
      • Change beer amount in the cart
      • Checkout the cart (pay for the beers)
      • List past orders
    • Managers can:
      • Log in into the beer store
      • Add new beers
      • Change beer stock
      • List beer orders
      • See order details
      • Change order status
      • List customers
      • See customer details
  • There must have a rest api able to perform all these actions
  • Some kind of data schema must be set up to help to persist information
  • A few initial data must be present when the store goes up
    • Some beers
    • The admin user with both profiles (customer, manager)