Update environment variable loading to support process environment and improve error handling

Co-authored-by: Copilot <copilot@github.com>

docker-compose.yml

@@ -4,8 +4,6 @@ services:
     container_name: ${TWITCH_ARCHIVE_CONTAINER_NAME:-twitch-archive}
     restart: unless-stopped
     init: true
-    env_file:
-      - ${TWITCH_ARCHIVE_APP_ENV_FILE:-./.env.production}
     environment:
       PYTHONUNBUFFERED: ${PYTHONUNBUFFERED:-1}
       TZ: ${TZ:-UTC}