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One Java Model from the App to PostgreSQL

The annoying part of full stack development is finding the same rule in three places. The app checks a field, the server checks it slightly differently, and the database model has another idea about…

  • Codename One framework enables cross-platform app development from a single Java/Kotlin codebase.
  • Reminder service demonstrates building a single model from Java code into PostgreSQL database.
  • ReminderController implements CRUD operations using Spring conventions with EntityManager.

What a hard, high-impact cloud change looks like from the inside

Let me show you what a hard high-impact change actually looks like in practice A team I worked with had a microservices architecture. Seven services. All of them deployed in one region.

  • Microservices architecture deployed in single region with data transfer bill of $3,200/month
  • Three services in different availability zones causing $3,200/month data transfer costs
  • Coordination, testing, and cutover effort reduced data transfer bill to $400/month

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