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added catlog-service module
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‎.idea/compiler.xml

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‎.idea/encodings.xml

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‎.idea/workspace.xml

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‎.mvn/wrapper/maven-wrapper.properties

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

‎README.md

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# Spring Boot Microservices Course
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We will build a BookStore application using Spring Boot, Spring Cloud, and Docker.
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BookStore Microservices Architecture
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![image](https://github.com/user-attachments/assets/92d61293-80ca-46cb-b9d9-3c0ca7887fd1)
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Modules
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* catalog-service: This services provides REST API for managing catalog of products(books).
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TechStack: Spring Boot, Spring Data JPA, PostgreSQL
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* order-service: This service provides the REST API for managing orders and publishes order events to the message broker.
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TechStack: Spring Boot, Spring Security OAuth2, Keycloak, Spring Data JPA, PostgreSQL, RabbitMQ
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* notification-service: This service listens to the order events and sends notifications to the users.
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TechStack: Spring Boot, RabbitMQ
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* api-gateway: This service is an API Gateway to the internal backend services (catalog-service, order-service).
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TechStack: Spring Boot, Spring Cloud Gateway
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* bookstore-webapp: This is the customer facing web application where customers can browse the catalog, place orders, and view their order details.
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TechStack: Spring Boot, Spring Security OAuth2, Keycloak, Thymeleaf, Alpine.js, Bootstrap
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Learning Objectives
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* Building Spring Boot REST APIs
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* Database Persistence using Spring Data JPA, Postgres, Flyway
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* Event Driven Async Communication using RabbitMQ
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* Implementing OAuth2-based Security using Spring Security and Keycloak
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* Implementing API Gateway using Spring Cloud Gateway
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* Implementing Resiliency using Resilience4j
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* Job Scheduling with ShedLock-based distributed Locking
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* Using RestClient, Declarative HTTP Interfaces to invoke other APIs
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* Creating Aggregated Swagger Documentation at API Gateway
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* Local Development Setup using Docker, Docker Compose and Testcontainers
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* Testing using JUnit 5, RestAssured, Testcontainers, Awaitility, WireMock
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* Building Web Application using Thymeleaf, Alpine.js, Bootstrap
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* Monitoring & Observability using Grafana, Prometheus, Loki, Tempo (Membership)
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* Kubernetes Basics (Membership)
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* Deployment to Kubernetes (Membership)
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* Local Development Setup
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* Install Java 21. Recommend using SDKMAN for managing Java versions.
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* Install Docker Desktop
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* Install IntelliJ IDEA or any of your favorite IDE
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* Install Postman or any REST Client
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* Other Learning Resources
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‎catlog-service/.gitattributes

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/mvnw text eol=lf
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*.cmd text eol=crlf

‎catlog-service/.gitignore

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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**/target/
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!**/src/test/**/target/
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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### VS Code ###
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.vscode/

‎catlog-service/.mvn/wrapper/maven-wrapper.properties

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

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