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Tag Archives: REST

REST / Using feeds to publish events

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Dealing with events When working with multiple decoupled services (e.g. in a micro service architecture) it is very likely that you need a way to publish some sort of domain event from one service to one or multiple other service(s). Many widely adopted solutions rely on a separate piece of infrastructure to solve this problem (like an event bus or ...

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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 systems described below, The expectations ...

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Java/Cloud: How to Quickly Create a Kubernetes-ready REST Microservice

It is safe to say that the Microservice + Cloud combination is all the rage these days. Microservices are being developed more than ever, in turn resulting in an increase in the number of application deployments. During the past decade, containerization and orchestration tools such as Docker and Kubernetes were developed, making the microservice pattern really easy to adopt. This ...

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It Broke vs You’re Wrong

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When building REST APIs for microservices, there are a few design decisions to make about responses. Some responses are clearly a product of the protocols surrounding your microservice – things like the 3xx codes for instance are all about redirects and routing. In general, you will be trying to get the right 2xx codes for success. If in doubt, it’ll ...

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Service Mesh and Cloud-Native Microservices with Apache Kafka, Kubernetes and Envoy, Istio, Linkerd

Microservice architectures are not free lunch! Microservices need to be decoupled, flexible, operationally transparent, data aware and elastic. Most material from last years only discusses point-to-point architectures with tightly coupled and non-scalable technologies like REST / HTTP. This blog post takes a look at cutting edge technologies like Apache Kafka, Kubernetes, Envoy, Linkerd and Istio to implement a cloud-native service ...

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Spring Boot: Building a RESTful Web Application

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Introduction: REST stands for Representational State Transfer and is an architectural guideline for API design. We assume that you already have a background in building RESTful APIs. In this tutorial, we’ll design a simple Spring Boot RESTful web application, exposing a few REST endpoints. Project Setup: Let’s start by downloading the project template via Spring Initializr: We only need to ...

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How to make an API call in Flutter (REST API)

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In this post, we’ll take a look at how we can make an API call in flutter and consume a simple REST API. Checkout some of my other posts on Flutter here: Flutter vs React NativeUnderstanding BLoC Architecture in Flutter (Highly Recommended)Building a ListView (RecyclerView) in Flutter (Recommended) We’ll be creating a simple application in which I’ll make an API ...

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Consuming JSON based REST Web Service in ADF 12.2.1.3

Previously I have posted about consuming ADF BC based REST Web Service in ADF. Now, this post talks about consuming JSON based REST Web Service using generic data control. You can also look at previous posts on Web Service for more information. Create SOAP Web Service with Application Module quickly in ADF 12.2.1 Create REST Web Service with Application Module ...

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