buildStaticMapUrl method
Builds a Google Static Maps URL for the given latitude and longitude.
The image includes a red marker and is rendered with zoom 13,
Implementation
String buildStaticMapUrl(double lat, double lng) {
final apiKey = dotenv.env['API_KEY'];
return 'https://maps.googleapis.com/maps/api/staticmap'
'?center=$lat,$lng'
'&zoom=13'
'&size=300x120'
'&scale=2'
'&maptype=roadmap'
'&markers=color:red%7Clabel:I%7C$lat,$lng'
'&key=$apiKey';
}