URL Shortener API

URL Shortener API is a simple and efficient microservice for shortening URLs, retrieving the original URLs, and tracking URL usage metrics. It leverages PostgreSQL, Redis, and OpenTelemetry to deliver a robust solution for URL shortening.

Orchestration with .NET Aspire

The application uses .NET Aspire for service orchestration

Features

• Shorten URLs: Generate short codes for long URLs.
• Retrieve Original URLs: Use the short code to retrieve the original URL.
• Track Visits: Record visit metadata, including user-agent and referer headers.
• Metrics Collection: Collect and expose telemetry data using OpenTelemetry.
• Scalability: Hybrid cache (Redis + In-memory) for fast retrieval.

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Technologies Used

• .NET 9.0: Core backend language and framework.
• PostgreSQL: Primary database for persistent storage.
• Redis: Distributed caching layer.
• Dapper: Lightweight ORM for database interactions.
• OpenTelemetry: Observability for metrics and performance monitoring.
• Swagger: API documentation and testing.