Modernize bot for Python 3.12

docker-compose.yml

@@ -9,14 +9,14 @@ services:
     restart: unless-stopped
     environment:
       POSTGRES_DB: ${POSTGRES_DB:-new_lottery_kr}
-      POSTGRES_USER: ${POSTGRES_USER:-trevor}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-Cl0ud_1985!}
+      POSTGRES_USER: ${POSTGRES_USER:-lottery}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-change_me_strong_password}
     volumes:
       - postgres_data:/var/lib/postgresql/data
     networks:
       - lottery_network
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-trevor}"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-lottery}"]
       interval: 10s
       timeout: 5s
       retries: 5