Adam Gamboa G – Developer – Full Stack notes and tips for developers… Java, React, Kubernetes, Scala, and more…

Dynamic Factory Pattern in Java

July 7, 2025July 7, 2025 agamboa No comments

The Factory Pattern is a widely-used creational design pattern in Java. However, the classic implementation has one major flaw — it violates the Open/Closed Principle […]

Switch expression on Java 21

Java

December 2, 2024December 2, 2024 agamboa No comments

Java 17 includes the switch expressions into the language, which provides a more declarative and pleasant programming style, which we see in other programming languages.

Scability with Docker Compose

Docker

August 13, 2024August 14, 2024 agamboa No comments

Providing scalability in Docker-Compose with multiple replicas per service and load balancing between those instances.

Integrating dropwizard metrics with prometheus metrics

Java

March 22, 2024March 22, 2024 agamboa No comments

Adding dropwizard metrics to the prometheus metrics is very simple with a few lines of code.

Moving data from Database to AWS S3 with Apache Spark

Java
Spark

January 29, 2024February 19, 2024 agamboa No comments

Migrating your data in a SQL database to an S3 bucket in Parquet file is very easy with Apache Spark, follow this step by step article to understand the process.

Docker Image Best Practices

Docker

January 4, 2024September 2, 2024 agamboa No comments

Optimizing Docker image deployments is a continuous process that involves making informed choices at each stage of development and deployment. By following these best practices, you can create efficient, secure, and manageable Docker images, facilitating a seamless and scalable containerized application environment.

Jakarta Data – An unified API for Persistence

Java

October 6, 2023October 11, 2023 agamboa No comments

Jakarta Data is an specification which unifies the repository pattern with JPA and Jakarta NoSQL integrating it with BeanValidation, Transactions, and CDI with the goal of simplify the development of code.