SimpleBlog

A Spring Boot blog application with JWT authentication and OAuth2 social login.

Features

• JWT-based authentication with refresh tokens
• Google OAuth2 social login
• Blog article CRUD operations
• Thymeleaf frontend
• H2 in-memory database for development

Tech Stack

• Spring Boot 3.x
• Spring Security
• Spring Data JPA
• Kotlin
• Thymeleaf
• H2 Database
• JWT (jjwt)

Setup

1. Clone the repository

git clone https://github.com/yourusername/simpleblog.git

2. Create src/main/resources/application.yml with your configuration:

spring:
  datasource:
    url: jdbc:h2:mem:testdb
    username: sa
  h2:
    console:
      enabled: true
  jpa:
    hibernate:
      ddl-auto: create-drop
    show-sql: true
  security:
    oauth2:
      client:
        registration:
          google:
            client-id: YOUR_GOOGLE_CLIENT_ID
            client-secret: YOUR_GOOGLE_CLIENT_SECRET
            scope:
              - email
              - profile

jwt:
  issuer: your-email@example.com
  secret: your-secret-key-minimum-256-bits

3. Run the application

./gradlew bootRun

API Endpoints

• POST /login - User login
• GET /articles - Get all articles
• POST /api/articles - Create article
• PUT /api/articles/{id} - Update article
• DELETE /api/articles/{id} - Delete article
• POST /api/token - Refresh JWT token

Testing

./gradlew test

License

MIT