Create a Reservation Service

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prerequisites
basic IDE knowledge • basic Spring and Spring Boot • intermediate Maven • basic Docker and Docker Compose • basic Java or Kotlin • REST principles • basic microservices
skills learned
create the basic structure of a microservice • persist the information and interact with other microservices • transform the exceptions in a common structure of error
Andres Sacco
1 week · 6-8 hours per week · BEGINNER
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You’re a senior developer at Travel World Agency (TWA), which has grown to become the largest travel agency in the world. The company has built a next-generation system that uses a microservice architecture running on Amazon Web Services (AWS). But as TWA’s success has soared, the performance of its reservations microservice has taken a nosedive. TWA has decided to replace the reservation microservice with a new one, using Kotlin and Spring Boot to improve performance and maintainability. Your task is to review the architecture of the existing microservice and create a new one that has the same endpoints as the old one, saves all relevant information, has a default error handler, and communicates with other microservices to access other vital information.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Andres Sacco

Andres Sacco is a technical leader at Prisma. He has experience with many programming languages including Java, PHP, and Node.js. At his previous job, Andres helped find alternative ways to optimize data transfers between microservices, which reduced the cost of infrastructure by fifty-five percent. A co-author of Beginning Scala 3, published by Apress, Andres has also dictated internal courses about new technologies and shared his expertise in articles on Medium.

prerequisites

This liveProject is for Java and Kotlin developers who want to learn to create a Kotlin microservice from scratch. To begin these liveProjects you’ll need to be familiar with the following:

TOOLS
  • Any IDE: IntelliJ IDEA, Eclipse
  • Basic Spring and Spring Boot
  • Intermediate Maven
  • Basic Docker and Docker Compose
TECHNIQUES
  • Basic knowledge of Java or Kotlin
  • Basic knowledge of Spring Boot and how to add new modules
  • Basic Docker and Docker Compose commands
  • REST principles
  • Basic knowledge of microservices

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