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update configuration in readme

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Emil Lerch 2026-01-06 18:34:00 -08:00
parent 35c9831ba8
commit 9ccb0b2cb2
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10
README.md
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@ -225,18 +225,20 @@ All configuration is via environment variables:
| `WTTR_CACHE_DIR` | `~/.cache/wttr` | Cache directory |
| `WTTR_CACHE_SIZE` | `10000` | Max cached responses |
| `WTTR_GEOLITE_PATH` | `~/.cache/wttr/GeoLite2-City.mmdb` | GeoIP database path |
| `WTTR_GEOCACHE_FILE` | `~/.cache/wttr/geocache.json` | Location name cache |
| `IP2LOCATION_API_KEY` | (none) | Optional IP geolocation fallback |
| `IP2LOCATION_CACHE_FILE` | `~/.cache/wttr/ip2location.cache` | IP2Location cache file |
| `METNO_TOS_IDENTIFYING_EMAIL` | (none) | Email for Met.no API identification |
## External Services
### Required (No API Key)
### Required
- **Met.no Weather API** - Weather data provider (free, no registration)
- Set METNO_TOS_IDENTIFYING_EMAIL to identify yourself to Met.No
- **IP2Location.io** - Fallback IP geolocation
- **IP2Location.io** - IP geolocation service
- Sign up at https://www.ip2location.io/
- Free tier: 30,000 requests/month
- Set via `IP2LOCATION_API_KEY` environment variable
- Set `IP2LOCATION_API_KEY` environment variable for higher limits
### Auto-Downloaded
- **MaxMind GeoLite2 City** - IP geolocation database