spring-boot-crud-example

🧑‍💻 Spring Boot CRUD Microservice with CI/CD & Kubernetes

A simple Spring Boot CRUD REST API using MySQL & H2, containerized with Docker, and deployed to Kubernetes using GitHub Actions.

🚀 Features

• ✅ CRUD APIs for Product entity
• ✅ Built with Spring Boot, Maven, and Lombok
• ✅ Containerized using Docker with multi-stage builds
• ✅ CI/CD with GitHub Actions --> Working on it
• ✅ Kubernetes Deployment, HPA, and Service
• ✅ Ingress routing with NGINX & TLS --> can use ingress but locally ran it on port forwarding
• ✅ Works with H2
• ✅ Versioned Microservice APIs

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🛠️ Tech Stack

• Java 17 + Spring Boot 2.2.4
• Maven + Lombok
• Docker (Multi-stage)
• Kubernetes (via Minikube)
• GitHub Actions (CI/CD)
• Ingress
• HPA for CPU scaling
• MySQL / H2 database

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📁 API Endpoints

Method	Endpoint	Description
GET	/products	Get all products
POST	/addProduct	Add a product
POST	/addProducts	Add multiple products
GET	/productById/{id}	Get product by ID
GET	/product/{name}	Get product by name
PUT	/update	Update a product
DELETE	/delete/{id}	Delete a product

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📦 Run Locally (Dev)

# Clone the repo
git clone https://github.com/sujall18/springboot-devops.git
cd springboot-devops

# Run with Maven
mvn clean spring-boot:run

# Docker
# Build Docker image
docker build -t spring-crud .

# Run container
docker run -p 8080:8080 spring-crud

# Start Minikube
minikube start

# Deploy app
kubectl apply -f k8s/manifests-files

# Port-forward for testing
kubectl port-forward svc/crud-svc 8080:80

Accessible on

curl http://localhost:8080/

Version	Description
v1.0	Base version with /health, /products
v1.1	Add /products/search by keyword
v2.0	Query param-based search + handling

🤝 Author Sujal Gaddam