diff --git a/.gitignore b/.gitignore
index 237fda6..ec207b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 __pycache__/*
 tmp/*
 venv/*
-.env
\ No newline at end of file
+.env
+main.log
\ No newline at end of file
diff --git a/helpers.py b/helpers.py
index 46aca3e..0aa2e9a 100644
--- a/helpers.py
+++ b/helpers.py
@@ -5,6 +5,7 @@ import PyPDF2
 import re
 from dotenv import load_dotenv
 from geopy.geocoders import Nominatim
+from logger import logging
 
 load_dotenv(override=True)
 
@@ -45,12 +46,12 @@ def get_draeger_json(text):
             data["city"] = city[0] + " " + city[1]
             data["cityDistrict"] = city[2]
         except Exception as e:
-            print(f'Fehler: {e}')
+            logging.error(f'Fehler: {e}')
             
         data["lat"] = match[0][7][:2] + '.' + match[0][7][2:]
         data["lon"] = match[0][8][:2] + '.' + match[0][8][2:]
 
-        print(data)
+        logging.debug(data)
         return data
     else:
         return None
\ No newline at end of file
diff --git a/logger.py b/logger.py
new file mode 100644
index 0000000..ddb0d52
--- /dev/null
+++ b/logger.py
@@ -0,0 +1,8 @@
+import logging
+
+logging.basicConfig(
+    filename='./main.log',
+    level=logging.DEBUG,
+    format='%(asctime)s - %(levelname)s - %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S'
+)
\ No newline at end of file
diff --git a/mail_analyzer.py b/mail_analyzer.py
index 5fb4259..58b4d0d 100644
--- a/mail_analyzer.py
+++ b/mail_analyzer.py
@@ -3,7 +3,7 @@ import imaplib
 import email
 from email.header import decode_header
 import os
-
+from logger import logging
 from helpers import get_draeger_json, read_pdf
 
 load_dotenv(override=True)
@@ -15,7 +15,7 @@ EMAIL_PASSWORD = os.environ.get("EMAIL_PASSWORD", default=None)
 MAILBOX = os.environ.get("MAILBOX", default=None)
 CHECK_INTERVAL = int(os.environ.get("CHECK_INTERVAL", default=None)) # in Sekunden
 SAVE_FOLDER = os.environ.get("SAVE_FOLDER", default=None)
-    
+
 def check_email():
     try:
         mail = imaplib.IMAP4_SSL(IMAP_SERVER)
@@ -52,11 +52,11 @@ def check_email():
                             if filename.endswith('.pdf'):
                                 pdf_text = read_pdf(filepath).replace("\n", "")
                                 
-                                print(get_draeger_json(pdf_text))
+                                logging.info(get_draeger_json(pdf_text))
                                     
         mail.logout()
     except Exception as e:
-        print(f'Fehler: {e}')
+        logging.error(f'Fehler: {e}')
 
 if __name__ == "__main__":
     check_email()
diff --git a/main.py b/main.py
index a00a0d1..c6be153 100644
--- a/main.py
+++ b/main.py
@@ -8,6 +8,7 @@ from email.header import decode_header
 import os
 import time
 from helpers import get_draeger_json, read_pdf
+from logger import logging
 
 load_dotenv(override=True)
 
@@ -20,7 +21,7 @@ CHECK_INTERVAL = int(os.environ.get("CHECK_INTERVAL", default=None)) # in Sekund
 SAVE_FOLDER = os.environ.get("SAVE_FOLDER", default=None)
 DRAEGER_API_KEY = os.environ.get("DRAEGER_API_KEY", default=None)
 HEALTHCHECK_URL = os.environ.get("HEALTHCHECK_URL", default=None)
-    
+
 def check_email():
     try:
         mail = imaplib.IMAP4_SSL(IMAP_SERVER)
@@ -44,7 +45,7 @@ def check_email():
                             subject = subject.decode(encoding if encoding else 'utf-8')
                         
                         from_ = msg.get("From")
-                        print(f'Neue E-Mail von {from_} mit Betreff: {subject}')
+                        logging.info(f'Neue E-Mail von {from_} mit Betreff: {subject}')
                         
                         for part in msg.walk():
                             if part.get_content_maintype() == 'multipart':
@@ -63,28 +64,29 @@ def check_email():
                                     
                                     r = requests.post('https://einsatzmeldesystem.de/ems/inbound/deployment/universal/', json=get_draeger_json(pdf_text))
                                     
-                                    print(r.status_code)
-                                    print(r.json())
+                                    logging.debug(r.status_code)
+                                    logging.debug(r.json())
         except Exception as e:
             data = {}
             data["apiKey"] = DRAEGER_API_KEY
             r = requests.post('https://einsatzmeldesystem.de/ems/inbound/deployment/universal/', json=data)
             
             r = requests.get(HEALTHCHECK_URL + "?status=down&msg=Can not parse data. Alarming with empty data&ping=")
-            print(r.status_code)
+            logging.debug(r.status_code)
         
         mail.logout()
     except Exception as e:
-        print(f'Fehler: {e}')
+        logging.error(f'Fehler: {e}')
         
         r = requests.get(HEALTHCHECK_URL + "?status=down&msg=Can not connect to mail server&ping=")
-        print(r.status_code)
+        logging.debug(r.status_code)
 
 if __name__ == "__main__":
     while True:
+        logging.debug("Loop")
         check_email()
 
         r = requests.get(HEALTHCHECK_URL + "?status=up&msg=OK&ping=")
-        print(r.status_code)
+        logging.debug(r.status_code)
         
         time.sleep(CHECK_INTERVAL)