SmartTechie

Photo by BoliviaInteligente on Unsplash The AI agents powered by advanced Large Language Models (LLMs) has transforming the landscape of customer support. These agents go beyond simple, automated responses by combining historical data with powerful function-calling capabilities to interact with enterprise data, knowledge bases, and APIs, enabling them to handle complex, multi-layered customer…

Photo by ThisisEngineering on Unsplash In this blog post, I will walk you through on how to write integration tests by using Testcontainers when we are building a Spring Boot application that integrates Apache Kafka as a message broker, PostgreSQL for database persistence. Spring Boot introduced great support for Testcontainers, making integration testing simpler and enhancing the ease of local…

In today’s digital world, real-time communication and immediate responsiveness have become crucial for modern applications. Webhooks, a powerful mechanism for enabling instant event notifications, have emerged as a key player in achieving this real-time interaction. In this blog post, we’ll learn about webhooks, exploring their significance, use cases, and the fundamental differences with…

The landscape of data management is undergoing a tremendous transformation. As organizations are dealing with the exponential growth and diversification of data, the limitations of traditional relational databases (RDBMS) and non-relational databases (NoSQL) become increasingly apparent. In this evolving landscape, NewSQL databases have emerged as a potential game changer, offering a compelling…

In today’s data-driven world, the ability to process and analyze real-time data streams is crucial for businesses. Two open-source platforms, Apache Kafka and Apache Pulsar, have emerged as leaders in this space. But which one is right for you? Market Share and Community: Apache Kafka: Commands a dominant 70% market share, boasting a vast user base and extensive ecosystem of tools and…

Photo by DeepMind on Unsplash Technical debt is a concept that has become increasingly important in software development over the past few decades. In essence, it refers to the trade-off between delivering software quickly and maintaining its long-term sustainability. Just as financial debt can accumulate over time and can become a burden, technical debt too if it is not managed effectively. In…

The Rise of Low-Code/No-Code Application Development

Photo by Ilya Pavlov on Unsplash What is Low-code? Low-code is a software development approach that allows developers to create and maintain applications with minimal hand-coding and minimal effort. It enables users to visually design, build, and deploy software applications using a graphical user interface rather than traditional coding. Low-code platforms typically provide pre-built, reusable…

Will ChatGPT replace Google Search?

Photo by DeepMind on Unsplash In this article, let’s explore ChatGPT and its use cases and see ChatGPT replaces Google Search or not? ChatGPT (short for “Conversational Generative Pre-training Transformer”) is a large language model developed by OpenAI. It is a variant of the GPT (Generative Pre-training Transformer) model, which is trained on a massive amount of text data to generate…

Red Hat Summit 2021

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Audit Database Changes with Debezium

In this article, we will explore Debezium to capture data changes. Debezium is a distributed open-source platform for change data capture. Point the Debezium connector to the database and start listening to the change data events like inserts/updates/deletes right from the database transaction logs that other applications commit to your database. Debezium is a collection of source connectors of…

Let’s think Kafka cluster without Zookeeper with KIP-500

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Right now, Apache Kafka® utilizes Apache ZooKeeper™ to store its metadata. Information such as the partitions, configuration of topics, access control lists, etc. metadata stored in a ZooKeeper cluster. Managing a Zookeeper cluster creates an additional burden on the infrastructure and the admins. With KIP-500, we are going to see a Kafka cluster without the…

Building a 12-factor principle application with AWS and Microsoft Azure

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In this article, I want to provide the services available to build 12-factor applications on AWS and Microsoft Azure.

12-Factor PrinciplesAmazon Web ServicesMicrosoft AzureCodebase One codebase tracked in revision control, many deploysAWS CodeCommitAzure ReposDependencies Explicitly declare and isolate dependenciesAWS S3Azure ArtifactsConfig Store config…

Containerizing Spring Boot Applications with Buildpacks

Step 3: I have added a simple controller to test the application once we run the docker container of our Spring Boot app. Below is the controller code.

Step 4: Go to the root folder of the application and run the below command to generate the Docker image. Buildpacks uses the artifact id and version from the pom.xml to choose the Docker image name.

Step 5:Let’s run the created Docker…

Build Reactive REST APIs with Spring WebFlux – Part3

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In continuation of the last article, we will see an application to expose reactive REST APIs. In this application, we used,

Spring Boot with WebFlux

Spring Data for Cassandra with Reactive Support

Cassandra Database

Below is the high-level architecture of the application.

Let us look at the build.gradle file to see what dependencies are included to work with…

Build Reactive REST APIs with Spring WebFlux – Part2

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                            In continuation of the last post, in this article, we will see the reactive streams specification and one of its implementation called Project Reactor. Reactive Streams specification has the following interfaces defined. Let us see the details of those interfaces.

Publisher → A Publisher is a provider of a…

Build Reactive REST APIs with Spring WebFlux – Part1

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                                        In this article, we will see how to build reactive REST APIs with Spring WebFlux. Before jumping into the reactive APIs, let us see how the systems evolved, what problems we see with the traditional REST implementations, and the demands from the modern APIs.

If you look at the expectations from legacy systems to modern…