![]() ![]() A monolith is a non-microservice application with a single service. The other two are monolith and microservice. The gateway is one of three application types that can be created by the JHipster generator DSL. ![]() All public traffic comes through this service, which also includes the Vue frontend. The JHipster API Gateway is the public face of your microservice. In this tutorial you’ll use this feature to configure all of the services for Okta OAuth in one place. The Spring Cloud Config server allows project configuration to be centralized and distributed to all of the different services. It’s a bit like a phonebook or a DNS service for the microservice. This means that the microservice can scale and services can be replaced without causing problems. The Eureka server allows the microservices to dynamically find each other without having to use hard-coded URIs. The JHipster Registry that is generated with the microservice includes two important functions: a Eureka server and a Spring Cloud Config server. One of the slick features of the JHipster generator is that you can generate data entities along with applications. You can read more about generating microservices with JHipster in their docs. It was built with the JHipster generator that quickly scaffolds a new application based on either an interactive shell or a DSL file. ![]() The project in this tutorial uses Spring Boot with Java resource servers and a Vue frontend. It’s designed to be deployed using Docker and Kubernetes, and can easily deploy to all the major cloud platforms, such as AWS, Azure, Heroku, Cloud Foundry, Google Cloud Platform, and OpenShift. It supports a dizzying array of frontend (Angular, React, and Vue) and backend (Spring Boot, Micronaut, Quarkus, Node.js, and. JHipster is a development platform that streamlines the generation, development, and deployment of both monolithic and microservice applications. JHipster microservices architecture overview Azure AKS, Kubernetes, and Spring Boot microservices deployed!.Encrypt the sensitive configuration parameters.Build Docker images and push to Docker Hub.Configure Kubernetes for Okta and Cosmos DB.Build the Docker images and run the app with Docker Compose.Create the Azure Cosmos DB with API for MongoDB.Clone the microservices project from GitHub.Setting the store app’s initial status for Eureka. ![]() Spring Boot microservices for Azure and Cosmos DB.JHipster microservices architecture overview.If not, I’m going to explain them a little before we move on. If you’re already familiar with all the tech in this tutorial, you can skip ahead to the prerequisites section. I’ve tried to make it as simple and as explicit as possible, but it’s probably helpful to have some basic knowledge of Docker and Kubernetes before you start. This tutorial has a lot of different technologies in it. Blog: Spring Boot microservice using a Neo4J database.Store: Spring Boot microservice using Azure’s Cosmo DB API for MongoDB.Gateway: public Spring Cloud Gateway application using Vue.JHipster Registry: a Eureka server for service discovery and a Spring Cloud Config server for centralized configuration management.To see how the project was generated using JHipster, take a look at Reactive Java Microservices with Spring Boot and JHipster. It does not go into great detail about generating the project. This tutorial focuses on deploying an already generated project to Azure AKS. You’ll also securely encrypt all secrets in the project configuration files using Kubernetes secrets and kubeseal. For security, you’ll use Okta as an OAuth 2.0 and OpenID Connect (OIDC) provider. You’ll use Azure’s Cosmos DB as a persistent store for one of the services. In this tutorial, you’ll learn how to deploy a JHipster-based reactive microservice to Azure Kubernetes Service (AKS). ![]()
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