Address Reviews

The changes didn't deserve a different commit

docker-compose.yaml

@@ -27,5 +27,7 @@ services:
     tty: true
     volumes:
       - .:/modmail
+    env_file:
+      - .env
     environment:
       database_uri: postgres://modmail:modmail@postgres:5432/modmail

docs/contributing.md

@@ -165,7 +165,7 @@ $ psql -qd postgres
 Run the following queries to create the user and database:
 
 ```psql
-CREATE USER voting WITH SUPERUSER PASSWORD 'modmail';
+CREATE USER modmail WITH SUPERUSER PASSWORD 'modmail';
 CREATE DATABASE modmail WITH OWNER modmail;
 ```
 
@@ -217,7 +217,7 @@ $ poetry run alembic upgrade heads
 
 5. Open the file with any text editor and write the bot token and the database URL to the files in this format:
         * `TOKEN="my_token"`.
-        * `DATABASE_URI=postgresql+asyncpg://modmail:modmail@localhost:5432/modmail`
+        * `DATABASE_URI=postgres://modmail:modmail@localhost:5432/modmail`
 
 !!! note
         If you configured PostgreSQL in a different manner or you are not hosting it locally, then you will need to

modmail/bot.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 import signal
+import sys
 import typing as t
 
 import arrow
@@ -89,10 +90,8 @@ async def init_db(self) -> None:
             self.logger.info("Generating database schema via Tortoise...")
             await Tortoise.generate_schemas()
         except Exception as e:
-            self.logger.error(
-                f"DB connection at {CONFIG.bot.sqlalchemy_database_uri} not successful, raised:\n{e}"
-            )
-            exit()
+            self.logger.error(f"DB connection at {CONFIG.bot.database_uri} not successful, raised:\n{e}")
+            sys.exit(e)
 
     async def start(self, token: str, reconnect: bool = True) -> None:
         """