blink

A URL shortener service.

Features

• Shortens the URLs.
• Supports redirects for shortened URLs.
• Shows metrics for top 3 shortened domains.
• Uses Redis for storing the data regarding URLs.
• Reports same URL for multiple shortening sessions of same URL instead of generating new one.

Setup

Manual

You need to have Go (>1.13 at least) and Redis installed.

1. Clone this repository.
2. Run make build to build the binary named as blink.bin.
3. In another terminal session, start a local redis server through the redis-server command. It should be running by default on port 6379.
4. Set environment variables:
   • REDIS_ADDRESS=localhost:6379
   • APP_PORT=8080
5. Run make run to execute the binary.

Docker

1. Download the docker-compose.yml file.
2. To execute Blink, run docker-compose up -d command and then the app should be ready on port "8080".
3. The docker-compose.yml uses my docker image pushed on Docker Hub.

API Routes

• POST /api/shorten : Returns the shortened URL for the URL sent in the request body in the below form.

{"long_url":"https://google.com/helloworld"}

• GET /api/metrics : Returns the top 3 most shortened domains along with the count of being shortened.