fix(cloudflare): add region configuration for CF R2 storage

This change allows users to specify the Cloudflare R2 region, improving
performance and compliance with data residency requirements.

README.md

@@ -27,6 +27,7 @@ Config Environment Variables:
 - cf_account_id: Cloudflare access secret
 - cf_secret_key: Cloudflare access secret
 - cf_bucket_name: Cloudflare bucket name. e.g. `my-bucket-name`
+- cf_region: Cloudflare region (Must be one of: wnam, enam, weur, eeur, apac, auto).
 - tinypng_api_key: Get your tinypng API key from https://tinypng.com/developers to compress images before uploading.
 - shorturl: If you have proxy to bucket via CloudFlare use that url.
 

info.plist

@@ -373,6 +373,8 @@
 		<string>2bde6e2cfbbf6e40c6d5983c1c8af221</string>
 		<key>cf_bucket_name</key>
 		<string>screenshot</string>
+		<key>cf_region</key>
+		<string>apac</string>
 		<key>cf_secret_key</key>
 		<string>509100e91677c2eb61e5e94522a17200297d3c8ca448104bb7606c60399b84fc</string>
 		<key>shorturl</key>
@@ -388,6 +390,7 @@
 		<string>cf_account_id</string>
 		<string>cf_access_key</string>
 		<string>shorturl</string>
+		<string>cf_region</string>
 	</array>
 	<key>version</key>
 	<string>1.1</string>

upload-s3.py

@@ -69,11 +69,13 @@ def main(wf):
         file_path, file_name, content_type = capture()
     account_id = os.getenv('cf_account_id')
     bucket_name = os.getenv('cf_bucket_name')
+    region_name = os.getenv('cf_region')
     s3 = boto3.client(
         service_name='s3',
         aws_access_key_id=os.getenv('cf_access_key'),
         aws_secret_access_key=os.getenv('cf_secret_key'),
-        endpoint_url="https://%s.r2.cloudflarestorage.com/%s" %(account_id, bucket_name)
+        endpoint_url="https://%s.r2.cloudflarestorage.com/%s" %(account_id, bucket_name),
+        region_name=region_name
     )
     s3.upload_file(file_path, bucket_name, file_name, ExtraArgs={'ContentType': content_type})
     shorturl = os.getenv('shorturl')