fix

README.md

@@ -15,23 +15,26 @@ It requires Python 3.6+ or so.
 
 ## Configuration
 
-Configuration is stored in `config.ini` file in `~/.config/inverter-bot`.
+The bot accepts following parameters:
 
-Config example:
-```
-token=YOUR_TOKEN
-admins=
-        123456     ; admin id
-        000123   ; another admin id
-isv_bin=/path/to/isv
-use_sudo=0
-```
-
-Only users in `admins` are allowed to use the bot.
+* ``--token`` — your telegram bot token (required)
+* ``--users-whitelist`` — space-separated list of IDs of users who are allowed
+  to use the bot (required)
+* ``--inverterd-host`` (default is `127.0.0.1`)
+* ``--inverterd-port`` (default is `8305`)
 
 ## Launching with systemd
 
-Create a service file `/etc/systemd/system/inverter-bot.service` with the following content (changing stuff like paths):
+This is tested on Debian 10. Something might differ on other systems.
+
+Create environment configuration file `/etc/default/inverter-bot`:
+```
+TOKEN="YOUR_TOKEN"
+USERS="ID ID ID ..."
+OPTS="" # here you can pass other options such as --inverterd-host
+```
+
+Create systemd service file `/etc/systemd/system/inverter-bot.service` with the following content (changing stuff like paths):
 
 ```systemd
 [Unit]
@@ -39,10 +42,11 @@ Description=inverter bot
 After=network.target
 
 [Service]
+EnvironmentFile=/etc/default/inverter-bot
 User=user
 Group=user
 Restart=on-failure
-ExecStart=python3 /home/user/inverter-bot/main.py
+ExecStart=python3 /home/user/inverter-bot/inverter-bot --token $TOKEN --users-whitelist $USERS $PARAMS
 WorkingDirectory=/home/user/inverter-bot
 
 [Install]
@@ -51,7 +55,6 @@ WantedBy=multi-user.target
 
 Then enable and start the service:
 ```
-systemctl daemon-reload
 systemctl enable inverter-bot
 systemctl start inverter-bot
 ```