Java Spring Boot Microservices: Build Airline Booking System

Learn Kafka, Redis, JWT, Docker, Spring Cloud & Production-Ready Backend Architecture by Building a Real Project

What you'll learn
⚡ Build production-grade Java Spring Boot microservices
⚡ Design a real Airline Booking & GDS platform
⚡ Implement Kafka-based event-driven architecture
⚡ Use Redis for caching and JWT token management
⚡ Secure APIs using Spring Security & JWT
⚡ Build distributed systems using Saga Pattern
⚡ Implement API Gateway and Service Discovery
⚡ Handle failures using Resilience4j circuit breakers
⚡ Dockerize and orchestrate multiple services
⚡ Understand real-world backend architecture patterns
⚡ Docker Compose orchestration
⚡ Production-ready deployment workflows
⚡ how backend engineers think when building scalable systems.

Requirements
❗ Basic Java programming knowledge
❗ Basic Spring Boot understanding
❗ Familiarity with REST APIs
❗ Passion to build real backend systems

Description

Build a Real Airline Booking Platform with Java Microservices
This course teaches you how real systems are built.

You’ll create a complete Airline Booking & Reservation Platform using Java Spring Boot Microservices — the same category of architecture used by airline booking systems and travel platforms worldwide.

Instead of small CRUD demos, you’ll design and build a distributed backend system with real business workflows, production-grade architecture, event-driven communication, caching strategies, security, and scalable service interactions.

By the end of this course, you’ll understand not onlyhow to build microservices — butwhy modern systems are designed this way.

What You’ll Build
You’ll build a complete backend Airline Booking Platform featuring

✨ Flight Search Engine

✨ Seat Availability Management

✨ Fare Pricing System

✨ Booking & Reservation Flow

✨ Payment Integration

✨ JWT Authentication & Authorization

✨ Redis-Based Caching

✨ Kafka Event-Driven Communication

✨ API Gateway & Service Discovery

✨ Notification System

✨ Saga-Based Distributed Transactions

✨ Dockerized Multi-Service Deployment

This project simulates a mini Global Distribution System (GDS) similar to systems used by airlines and travel companies.

Technologies Covered
Backend

✨ Java

✨ Spring Boot

✨ Spring Cloud

✨ Spring Security

✨ Spring Data JPA

✨ Spring Cloud Gateway

✨ Netflix Eureka

✨ OpenFeign

✨ Resilience4j

✨ Apache Kafka

✨ Redis

✨ MySQL

Security

✨ JWT Authentication

✨ Role-Based Access Control

✨ Token Revocation using Redis

Architecture

✨ Microservices Architecture

✨ Database per Service Pattern

✨ Event-Driven Systems

✨ Saga Pattern

✨ API Gateway Pattern

✨ Distributed Communication

DevOps

✨ Docker

✨ Docker Compose

✨ Google Jib

✨ Spring Boot Actuator

Integrations

✨ Stripe

✨ Razorpay

✨ Email Notifications

✨ SMS Notifications

What You’ll Learn
Microservices Architecture

✨ Design scalable distributed systems

✨ Split domains into independent services

✨ Handle inter-service communication

✨ Implement API Gateway & Service Discovery

Kafka & Event-Driven Systems

✨ Build asynchronous workflows

✨ Publish & consume Kafka events

✨ Implement booking saga flows

✨ Handle failure recovery with compensation events

Security & Authentication

✨ Secure APIs using JWT

✨ Implement role-based access control

✨ Manage token blacklisting with Redis

Redis Caching

✨ Multi-layer caching strategies

✨ Cache invalidation techniques

✨ Performance optimization

Distributed System Design

✨ Fault tolerance

✨ Circuit breakers

✨ Retry mechanisms

✨ Service resilience patterns

Real Airline Domain Modeling

✨ Flights & schedules

✨ Fare rules

✨ Seat inventory

✨ Booking lifecycle

✨ Passenger management

DevOps & Deployment

✨ Containerize microservices

✨ Docker Compose orchestration

✨ Production-ready deployment workflows

Why This Course Is Different
Most microservices tutorials build simple ecommerce clones or CRUD demos.

This course focuses on

✨ - Real-world architecture

✨ - Domain-driven thinking

✨ - Event-driven backend systems

✨ - Production-grade patterns

✨ - Large-scale project structure

✨ - Interview-level system design concepts

You won’t just learn frameworks.

You’ll learn how backend engineers think when building scalable systems.

Who this course is for
⭐ Java developers who want to move beyond basic CRUD applications
⭐ Spring Boot developers interested in learning real microservices architecture
⭐ Developers who want hands-on experience with Kafka and distributed systems
⭐ Full-stack developers who want deeper backend architecture knowledge
⭐ Developers aiming to understand system design through real implementation instead of theory
⭐ Anyone wanting practical experience with Docker, Redis, JWT, API Gateway, and Spring Cloud
⭐ Developers who want to learn how real airline booking systems work

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