Update app.py

app.py

@@ -170,7 +170,7 @@ def process_file_content(file_info, owner, repo, is_hf=False):
             size = len(content_raw)
             file_extension = file_path.split('.')[-1] if '.' in file_path else ''
             mime_type, _ = mimetypes.guess_type(file_path)
-            is_text = (mime_type and mime_type.startswith('text')) or file_extension in ['py', 'md', 'txt', 'js', 'html', 'css', 'json']
+            is_text = (mime_type and mime_type.startswith('text')) or file_extension in ['py', 'md', 'txt', 'js', 'html', 'css', 'json'] or "Dockerfile" in file_path
             
             if is_text:
                 try: