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In the world of containerization, Docker has become the industry standard for packaging applications and their dependencies. One critical aspect of configuring your Dockerized application is managing environment variables. In this blog, we will explore different methods to pass environment variables to Docker containers. Different Ways to Pass Environment Variables 1. Dockerfile ENV Instruction In…
Docker has become an essential tool for packaging and distributing applications. It provides a consistent environment for your applications to run in, ensuring they work the same way on your development machine, testing servers, and production servers. Micronaut, a lightweight Java framework, pairs beautifully with Docker to create portable and efficient microservices. In this blog,…
Distributed Denial of Service (DDoS) attacks can wreak havoc on web applications, causing server overload and unavailability. As a Ruby on Rails developer, you can bolster your application’s defenses against such attacks using the Rack::Attack gem. In this blog, we’ll explore what DDoS attacks are, why Rack::Attack is a vital tool, and how to implement…
One of the most common performance bottlenecks in Ruby on Rails applications is the N+1 query problem. This issue occurs when your application makes multiple unnecessary database queries when a more efficient approach could be used. Bullet is a gem that helps identify and address N+1 query problems in your Rails application. What is the…
If you are using Rails, chances are you must be using ActiveRecord extensively. Let’s explore how Active record internally creates queries. How SQL query is created in Active Record? In Active Record, the sql statement generation is handled by Arel, All the commands written in active record is passed to Arel, Arel constructs the query…
When it comes to building robust and scalable applications, developers have a multitude of choices in the world of Java-based frameworks. Two popular options that often come up in this discussion are Micronaut and Spring Boot. Both of these frameworks are designed to simplify the development process and provide a range of features for building…
In Scala, when dealing with error handling, it’s essential to have robust mechanisms in place. Two common approaches to handle errors are through ErrorOr and EventuallyErrorOr. In this blog post, we’ll explore the differences between these two error-handling strategies and when to use each one. ErrorOr: ErrorOr is a simple error-handling mechanism that is typically…
Asynchronous message processing with RabbitMQ is a common pattern in modern microservices architectures. To ensure the reliability of your message-driven applications, robust exception handling is crucial. In this blog post, we will explore how to integrate RabbitMQ exception handling in a Micronaut application. Read Also: Mastering Global Exception Handling in Micronaut This exception handler only…
Swagger is a powerful tool for documenting and testing RESTful APIs. It provides a user-friendly interface for developers to understand and interact with the API. In this blog, we will explore how to integrate Swagger into a Micronaut application, making API documentation and testing a breeze. What is Swagger? Swagger is an open-source framework that…
Micronaut, a popular Java and Kotlin microservices framework, provides robust support for annotation processing. Kotlin Annotation Processing Tool (KAPT) is an essential part of this ecosystem, allowing you to generate code based on annotations. In this blog, we’ll explore how to enable KAPT in a Micronaut project and leverage its power to simplify code generation…