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https://github.com/mansoor-p/microhotel-management-api

This repository contains a Travel Booking Platform implemented using microservices architecture with Java and Spring Boot. The project is designed with scalability and flexibility in mind, utilizing several independent microservices that communicate through RESTful APIs.
https://github.com/mansoor-p/microhotel-management-api

authentication-backend java microservices mongodb mysql okta rest-api spring-boot spring-mvc spring-security

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This repository contains a Travel Booking Platform implemented using microservices architecture with Java and Spring Boot. The project is designed with scalability and flexibility in mind, utilizing several independent microservices that communicate through RESTful APIs.

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# Travel Booking Platform - Microservices with Okta Security



Building a microservices architecture using Spring Boot, incorporating REST APIs, services, service registry, API gateway, GitHub configuration, and securing the microservices with Okta for JWT OAuth authentication.



![Microservices Architechture](./microservices/mic_arch.png "Microservices Architechture")

## Key Technologies   

` Java 17, Spring Boot 3, Spring Cloud Netflix (Eureka, Feign), Spring Cloud Config, Spring Security, Spring Data JPA, Hibernate, MySQL, MongoDB, JUnit 5.`

## Step 1: Setting Up Your Environment



- Install Java Development Kit (JDK): Ensure JDK 8 or later is installed.

- Install an IDE: Use IntelliJ IDEA or Eclipse.

- Install Maven: Maven is used for dependency management.



## Step 2: Creating a REST API



- Project Setup: Create a new Spring Boot project using Spring Initializr.

- Define REST Controller: Use `@RestController` and `@RequestMapping` annotations to define REST endpoints.

- Implement CRUD Operations: Create endpoints for Create, Read, Update, and Delete operations.



## Step 3: Implementing Services



- Define Service Layer: Use `@Service` annotation to define service classes.

- Business Logic: Implement business logic in service classes.



## Step 4: Implementing Service Registry



- Add Eureka Server Dependency: Include `spring-cloud-starter-netflix-eureka-server` in your pom.xml.

- Configure Eureka Server: Use `@EnableEurekaServer` annotation to enable Eureka server functionality.

- Register Services: Services automatically register themselves with Eureka server.



## Step 5: Implementing API Gateway



- Add Zuul Dependency: Include `spring-cloud-starter-netflix-zuul` in your pom.xml.

- Configure Zuul: Use `@EnableZuulProxy` annotation to enable Zuul proxy functionality.

- Route Configuration: Define routes to direct requests to appropriate microservices.



## Step 6: GitHub Configuration



- Create GitHub Repository: Set up a GitHub repository for your microservices project.

- Configure Version Control: Initialize Git in your project directory and connect it to your GitHub repository.

- Push Code to GitHub: Push your codebase to the GitHub repository.



## Step 7: Securing with Okta JWT OAuth



- Add Okta Dependency: Include Okta dependencies in your pom.xml.

- Configure Okta: Set up Okta developer account and configure OAuth 2.0 application.

- Implement Security Config: Use Spring Security and Okta integration for JWT OAuth authentication.



## Step 8: Next Steps



- Testing and Validation: Test your microservices and APIs thoroughly.

- Documentation: Document your APIs using Swagger or OpenAPI.

- Monitoring and Scaling: Implement monitoring tools and consider scaling options based on demand.