URL shortener

• This application is able to shorten long url to short url by encoding the generated random uuid-v4 to base64
• This application is also used for demonstrating the application instrumentation, especially structured logging, trace, and metric using open telemetry.

Running it locally

Run Docker Compose

```shell
docker-compose up
```

Open Dashboard

1. Jaeger Tracing Dashboard: http://127.0.0.1:16686/
2. Prometheus Dashboard: http://127.0.0.1:9090/
3. Grafana Dashboard: http://127.0.0.1:3000/

Dependencies

• net/http
• google/uuid
• opentelemetry
• rs/zerolog
• spf13/viper
• sqlc-dev/sqlc

Architecture

• Caching strategy: Write-through cache