diff --git a/tdp/cli/__main__.py b/tdp/cli/__main__.py
index 3ee50e1c..98d66d11 100644
--- a/tdp/cli/__main__.py
+++ b/tdp/cli/__main__.py
@@ -46,14 +46,13 @@ def load_env(ctx: click.Context, param: click.Parameter, value: Path) -> Optiona
     help="Path to environment configuration file.",
 )
 @click.option(
-    "--log-level",
-    default="INFO",
-    envvar="TDP_LOG_LEVEL",
-    type=click.Choice(["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]),
-    help="Set the level of log output.",
+    "-d",
+    "--debug",
+    envvar="TDP_LOG_CONF_FILE",
+    help="Set the config file for the logging.",
 )
-def cli(env: Path, log_level: str):
-    setup_logging(log_level)
+def cli(env: Path, debug: str):
+    setup_logging(debug)
     logging.info("Logging is configured.")
 
 
diff --git a/tdp/cli/logger.py b/tdp/cli/logger.py
index 2299262e..030e6dfd 100644
--- a/tdp/cli/logger.py
+++ b/tdp/cli/logger.py
@@ -1,35 +1,35 @@
 # Copyright 2022 TOSIT.IO
 # SPDX-License-Identifier: Apache-2.0
 
-import logging
+import logging.config
 
 DEFAULT_LOG_LEVEL = logging.INFO
 
 
-def setup_logging(log_level: str) -> None:
+def setup_logging(log_conf_file: str) -> None:
     """
     Configure the logging module.
 
     Parameters:
-        log_level: The desired logging level as a string (e.g., "info").
+        log_conf_file: The conf file for the logging.
     """
-    # Ensure the provided log level is valid, using the default if it is not.
-    numeric_level = getattr(logging, log_level.upper(), None)
-    if not isinstance(numeric_level, int):
-        print(f"Invalid log level: {log_level}. Using {DEFAULT_LOG_LEVEL} instead.")
+    if log_conf_file:
+        logging.config.fileConfig(log_conf_file)
+    else:
+        # Default behaviour : using the default log level.
         numeric_level = DEFAULT_LOG_LEVEL
 
-    # Create a console handler with the specified log level
-    console_handler = logging.StreamHandler()
-    console_handler.setLevel(numeric_level)
-    # Create a formatter and attach it to the handler
-    formatter = logging.Formatter(
-        "%(asctime)s - %(levelname)s - %(name)s - %(message)s"
-    )
-    console_handler.setFormatter(formatter)
+        # Create a console handler with the specified log level
+        console_handler = logging.StreamHandler()
+        console_handler.setLevel(numeric_level)
+        # Create a formatter and attach it to the handler
+        formatter = logging.Formatter(
+            "%(asctime)s - %(levelname)s - %(name)s - %(message)s"
+        )
+        console_handler.setFormatter(formatter)
 
-    # Get the root logger and set its level to the specified level
-    logger = logging.getLogger()
-    logger.setLevel(numeric_level)
-    # Add the console handler to the logger
-    logger.addHandler(console_handler)
+        # Get the root logger and set its level to the specified level
+        logger = logging.getLogger()
+        logger.setLevel(numeric_level)
+        # Add the console handler to the logger
+        logger.addHandler(console_handler)