[feat] #15 Add S3 storage strategy - handle storage_filename and small fixes in readme

Author: choinek

README.md

@@ -528,7 +528,7 @@ settings:
    }
    ```
 
-And fill the `.env` file with the proper AWS credentials:
+Next, populate the appropriate `.env` file (e.g., .env, .env.localhost) with the required AWS credentials:
 
 ```bash
 AWS_ACCESS_KEY_ID=your-access-key-id
@@ -538,7 +538,7 @@ AWS_S3_BUCKET_NAME=your-bucket-name
 ```
 
 ## License
-This project is licensed under the GNU General Public License. See the [LICENSE](LICENSE.md) file for details.
+This project is licensed under the GNU General Public License. See the [LICENSE](LICENSE) file for details.
 
 **Important note on [marker](https://github.com/VikParuchuri/marker) license***:
 

app/storage_strategies/aws_s3.py

@@ -26,13 +26,15 @@ def _resolve_placeholder(self, value):
         return Template(value).substitute(os.environ)
 
     def save(self, file_name, dest_file_name, content):
+        formatted_file_name = self.format_file_name(file_name, dest_file_name)
+
         try:
             self.s3_client.put_object(
                 Bucket=self.bucket_name,
-                Key=dest_file_name,
+                Key=formatted_file_name,
                 Body=content.encode('utf-8')
             )
-            print(f"File {dest_file_name} saved to S3 bucket {self.bucket_name}.")
+            print(f"File {formatted_file_name} saved to S3 bucket {self.bucket_name}.")
         except NoCredentialsError:
             print("AWS credentials are missing or invalid.")
         except ClientError as e: