feat: Introduce an asynchronous PostgreSQL connection manager with schema migration for multi-server support and granular configuration.

docker-compose.yml

@@ -9,7 +9,12 @@ services:
       - "8000:8000"
     environment:
       - BOT_TOKEN=${BOT_TOKEN}
-      - POSTGRES_URL=${POSTGRES_URL:-postgresql+asyncpg://virtus:password@db:5432/virtus_bot}
+      - POSTGRES_URL=${POSTGRES_URL}
+      - POSTGRES_HOST=${POSTGRES_HOST:-db}
+      - POSTGRES_PORT=${POSTGRES_PORT:-5432}
+      - POSTGRES_USER=${POSTGRES_USER:-virtus}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-password}
+      - POSTGRES_DB=${POSTGRES_DB:-virtus_bot}
     depends_on:
       - db
     command: uv run python main.py

infra/db/postgres.py

@@ -54,6 +54,7 @@ class PostgresConnection:
             raw_url = f"postgresql+asyncpg://{auth}{host}:{port}/{database}"
 
         url = _normalize_asyncpg_url(raw_url)
+        print(f"🔌 Connecting to database at: {url.split('@')[-1] if '@' in url else url}")
 
         self.engine: AsyncEngine = create_async_engine(
             url,