feat: update environment configuration and enhance presence management

- Updated .env.example to use more secure database credentials.
- Modified Dockerfile to remove unnecessary data copy.
- Enhanced README with additional setup instructions and security notes.
- Updated docker-compose files to improve database connection handling and security.
- Added error messages for invalid channel and role resolutions in locales.
- Introduced new scripts for code quality checks in package.json.
- Refactored presence management logic to improve state handling and timer management.
- Added tests for argument tokenizer, command definition, presence types, and template variables.

docker-compose.yml

@@ -10,22 +10,22 @@ services:
     env_file:
       - .env
     environment:
-      DATABASE_URL: postgresql://${POSTGRES_USER:-discord}:${POSTGRES_PASSWORD:-discord}@postgres:5432/${POSTGRES_DB:-discord_bots}
-      DATABASE_SSL: "false"
+      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}
+      DATABASE_SSL: ${DATABASE_SSL:-false}
 
   postgres:
     image: postgres:16-alpine
     restart: unless-stopped
     environment:
-      POSTGRES_DB: ${POSTGRES_DB:-discord_bots}
-      POSTGRES_USER: ${POSTGRES_USER:-discord}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-discord}
+      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     ports:
-      - "${POSTGRES_PORT:-5432}:5432"
+      - "127.0.0.1:${POSTGRES_PORT:-5432}:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-discord} -d ${POSTGRES_DB:-discord_bots}"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
       interval: 10s
       timeout: 5s
       retries: 5