added exclude buckets option

README.md

@@ -29,5 +29,5 @@ pip freeze > requirements.txt
 The S3 Recent File Cleaner is best run as a once off docker image. The image is already built so can be run with the following command.
 
 ```bash
-docker run --rm -e S3_ACCESS_KEY=your_access_key -e S3_SECRET_KEY=your_secret_key -e S3_ENDPOINT=your_endpoint liamsgit.dev/liampietralla/s3-recent-file-cleaner:latest
+docker run --rm -e S3_ACCESS_KEY=your_access_key -e S3_SECRET_KEY=your_secret_key -e S3_ENDPOINT=your_endpoint -e EXCLUDE_BUCKETS=your_excluded_buckets,another-bucket liamsgit.dev/liampietralla/s3-recent-file-cleaner:latest
 ```

main.py

@@ -6,6 +6,7 @@ DEFAULT = ''
 S3_ENDPOINT = os.getenv('S3_ENDPOINT', DEFAULT)
 S3_ACCESS_KEY = os.getenv('S3_ACCESS_KEY', DEFAULT)
 S3_SECRET_KEY = os.getenv('S3_SECRET_KEY', DEFAULT)
+EXCLUDE_BUCKETS = os.getenv('EXCLUDE_BUCKETS', DEFAULT).split(',')
 DEFAULT_FILES_TO_KEEP = 5
 
 def validate_env_vars():
@@ -34,6 +35,10 @@ def clean_files():
     for bucket in buckets:
         try: 
             bucket_name = bucket['Name']
+            # Skip excluded buckets
+            if bucket_name in EXCLUDE_BUCKETS:
+                print(f'Skipping excluded bucket: {bucket_name}')
+                continue
             print(f'Bucket: {bucket_name}')
 
             # Get all files in the bucket