arnlen / converter

USD to EUR converter written in Go.

Go Converter

Training project to teach myself how to use CLI + API call within a go app.

Purpose

A simple USD to EUR converter written in Go.

Setup

It uses exchangeratesapi.io behind the scene, so be sure:

1. Create a free account
2. Store your API Access Key inside the environment variable "EXCHANGERATESAPI_ACCESS_KEY".

export EXCHANGERATESAPI_ACCESS_KEY=<your_exchange_rates_api_access_key>

3. Restart your shell

Example

To convert $5 USD to EUR:

$ go run main.go -usd=5

# 📡 Calling Exchangerateapi to get latest rates...
# ✅ Latest rates received: 1 EUR = 1.209715 USD
# 5 USD =  6.0485750000000005 EUR