diff --git a/README.md b/README.md
index 4f91bf0..182bcb3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,104 @@
 # gazpar2haws
-Gazpar2HAWS is a gateway that reads data history from the GrDF (French gas provider) meter and send it to Home Assistant using WebSocket interface
+Gazpar2HAWS is a gateway that reads data history from the GrDF (French gas provider) meter and send it to Home Assistant using WebSocket interface.
+
+It is compatible with Home Assistant Energy Dashboard and permits to upload the history and keep it updated with the latest readings.
+
+## Installation
+
+Gazpar2HAWS can be installed on any host as a standalone program.
+
+### 1. Using source files
+
+The project requires [Poetry](https://python-poetry.org/) tool for dependency and package management.
+
+```sh
+$ cd /path/to/my_install_folder/
+
+$ git clone https://github.com/ssenart/gazpar2haws.git
+
+$ cd gazpar2haws
+
+$ poetry install
+
+$ poetry shell
+
+```
+
+### 2. Using PIP package
+
+```sh
+$ cd /path/to/my_install_folder/
+
+$ mkdir gazpar2haws
+
+$ cd gazpar2haws
+
+$ python -m venv .venv
+
+$ source .venv/bin/activate
+
+$ pip install gazpar2haws
+
+```
+
+## Usage
+
+### Command line
+
+```sh
+$ python -m gazpar2haws --config /path/to/configuration.yaml --secrets /path/to/secrets.yaml
+```
+
+### Configuration file
+
+The default configuration file is below.
+
+```yaml
+logging:
+  file: log/gazpar2haws.log
+  console: true
+  level: debug
+  format: '%(asctime)s %(levelname)s [%(name)s] %(message)s'
+
+grdf:
+  scan_interval: 0 # Number of minutes between each data retrieval (0 means no scan: a single data retrieval at startup, then stops).
+  devices:
+  - name: gazpar2haws
+    username: "!secret grdf.username"
+    password: "!secret grdf.password"
+    pce_identifier: "!secret grdf.pce_identifier"
+    timezone: Europe/Paris
+    last_days: 365 # Number of days of data to retrieve
+    reset: false # If true, the data will be reset before the first data retrieval
+
+homeassistant:
+  host: "!secret homeassistant.host"
+  port: "!secret homeassistant.port"
+  token: "!secret homeassistant.token"
+```
+
+The default secret file:
+
+```yaml
+grdf.username: ${GRDF_USERNAME}
+grdf.password: ${GRDF_PASSWORD}
+grdf.pce_identifier: ${GRDF_PCE_IDENTIFIER}
+
+homeassistant.host: ${HA_HOST}
+homeassistant.port: ${HA_PORT}
+homeassistant.token: ${HA_TOKEN}
+```
+
+## Contributing
+Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
+
+Please make sure to update tests as appropriate.
+
+## License
+[MIT](https://choosealicense.com/licenses/mit/)
+
+## Project status
+Gazpar2HAWS has been initiated for integration with [Home Assistant](https://www.home-assistant.io/) energy dashboard.
+
+
+
diff --git a/config/configuration.yaml b/config/configuration.yaml
index 99eff49..b3d0003 100644
--- a/config/configuration.yaml
+++ b/config/configuration.yaml
@@ -1,22 +1,21 @@
 logging:
   file: log/gazpar2haws.log
   console: true
-  level: debug
+  level: info
   format: '%(asctime)s %(levelname)s [%(name)s] %(message)s'
 
 grdf:
-  scan_interval: 0 # Number of minutes between each data retrieval (0 means no scan: a single data retrieval at startup, then stops).
+  scan_interval: 1440 # Number of minutes between each data retrieval (0 means no scan: a single data retrieval at startup, then stops).
   devices:
-  - name: gazpar2haws
+  - name: gazpar2haws # Name of the device in home assistant. It will be used as the entity_id: sensor.${name}.
     username: "!secret grdf.username"
     password: "!secret grdf.password"
     pce_identifier: "!secret grdf.pce_identifier"
     timezone: Europe/Paris
-    last_days: 365 # Number of days of data to retrieve
-    reset: true # If true, the data will be reset before the first data retrieval
+    last_days: 365 # Number of days of data to retrieve.
+    reset: false # If true, the data will be reset before the first data retrieval. If false, the data will be kept and new data will be added.
 
 homeassistant:
   host: "!secret homeassistant.host"
   port: "!secret homeassistant.port"
   token: "!secret homeassistant.token"
-
diff --git a/gazpar2haws/__init__.py b/gazpar2haws/__init__.py
index e69de29..ed94b7e 100644
--- a/gazpar2haws/__init__.py
+++ b/gazpar2haws/__init__.py
@@ -0,0 +1 @@
+from gazpar2haws.version import __version__  # noqa: F401
\ No newline at end of file
diff --git a/gazpar2haws/__main__.py b/gazpar2haws/__main__.py
index d8675a5..39681fd 100644
--- a/gazpar2haws/__main__.py
+++ b/gazpar2haws/__main__.py
@@ -1,16 +1,16 @@
-import sys
+import asyncio
 import argparse
 import logging
 import traceback
-from gazpar2haws import __version__
 from gazpar2haws import config_utils
+from gazpar2haws import __version__
 from gazpar2haws.bridge import Bridge
 
 Logger = logging.getLogger(__name__)
 
 
 # ----------------------------------
-def main():
+async def main():
     """Main function"""
     parser = argparse.ArgumentParser(prog="gazpar2haws", description="Gateway that reads data history from the GrDF (French gas provider) meter and send it to Home Assistant using WebSocket interface.")
     parser.add_argument("-v", "--version",
@@ -73,7 +73,7 @@ def main():
 
         # Start the bridge
         bridge = Bridge(config)
-        bridge.run()
+        await bridge.run()
 
         Logger.info("Gazpar2HAWS stopped.")
 
@@ -88,4 +88,4 @@ def main():
 
 # ----------------------------------
 if __name__ == '__main__':
-    sys.exit(main())
+    asyncio.run(main())
diff --git a/gazpar2haws/bridge.py b/gazpar2haws/bridge.py
index 6609152..dc6c411 100644
--- a/gazpar2haws/bridge.py
+++ b/gazpar2haws/bridge.py
@@ -47,14 +47,15 @@ def handle_signal(self, signum, frame):
     # ----------------------------------
     async def run(self):
 
-        # Connect to Home Assistant
-        await self._homeassistant.connect()
-
         # Set running flag
         self._running = True
 
         try:
             while self._running:
+
+                # Connect to Home Assistant
+                await self._homeassistant.connect()
+
                 # Publish Gazpar data to Home Assistant WS
                 Logger.info("Publishing Gazpar data to Home Assistant WS...")
 
@@ -65,6 +66,9 @@ async def run(self):
 
                 Logger.info("Gazpar data published to Home Assistant WS.")
 
+                # Disconnect from Home Assistant
+                await self._homeassistant.disconnect()
+
                 # Wait before next scan
                 Logger.info(f"Waiting {self._grdf_scan_interval} minutes before next scan...")
 
@@ -76,13 +80,6 @@ async def run(self):
         except KeyboardInterrupt:
             print("Keyboard interrupt detected. Shutting down gracefully...")
             Logger.info("Keyboard interrupt detected. Shutting down gracefully...")
-        finally:
-            await self.dispose()
-
-    # ----------------------------------
-    async def dispose(self):
-        # Stop the network loop
-        await self._homeassistant.disconnect()
 
     # ----------------------------------
     async def _await_with_interrupt(self, total_sleep_time: int, check_interval: int):
diff --git a/tests/test_main.py b/tests/test_main.py
new file mode 100644
index 0000000..2554cf1
--- /dev/null
+++ b/tests/test_main.py
@@ -0,0 +1,13 @@
+import pytest
+from gazpar2haws import __main__
+import sys
+
+
+# ----------------------------------
+@pytest.mark.asyncio
+async def test_main():
+
+    # Simulate command line arguments
+    sys.argv = ["gazpar2haws", "-c", "config/configuration.yaml", "-s", "config/secrets.yaml"]
+
+    await __main__.main()