add logging

app.py

@@ -3,6 +3,9 @@ import re
 import uuid
 from flask import Flask, request, jsonify, send_from_directory
 import datetime
+import logging
+from logging.handlers import RotatingFileHandler
+import sys
 
 app = Flask(__name__)
 app.config['UPLOAD_DIRECTORY'] = os.environ.get('UPLOAD_DIRECTORY', '/uploads')
@@ -12,6 +15,28 @@ VALID_FILENAME_REGEX = r'^[a-zA-Z0-9\-_\.]+$'
 
 AUTH_TOKEN = os.environ.get('AUTH_TOKEN', 'myuploadtoken')
 
+
+
+# Configure root logger to output to stdout
+root = logging.getLogger()
+root.setLevel(logging.DEBUG)
+handler = logging.StreamHandler(sys.stdout)
+handler.setLevel(logging.DEBUG)
+formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+handler.setFormatter(formatter)
+root.addHandler(handler)
+
+# Configure Flask logger to output to file
+flask_logger = logging.getLogger('werkzeug')
+flask_logger.setLevel(logging.DEBUG)
+log_file = os.path.join(app.root_path, 'logs', 'app.log')
+handler = RotatingFileHandler(log_file, maxBytes=10000000, backupCount=5)
+handler.setLevel(logging.DEBUG)
+formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+handler.setFormatter(formatter)
+flask_logger.addHandler(handler)
+
+
 def is_valid_filename(filename):
     return bool(re.match(VALID_FILENAME_REGEX, filename))