feat: add docker ci pack

Signed-off-by: d0zingcat <iamtangli42@gmail.com>

.env.example

@@ -0,0 +1,18 @@
+# Database Configuration
+# Use localhost for local 'bun run dev'
+# docker-compose will override this with its own service name 'postgres'
+DATABASE_URL=postgres://postgres:password@localhost:5432/alert_message_center
+
+# Feishu (Lark) App Configuration
+# Make sure to ADD BOTH to your Feishu App Management console!
+FEISHU_APP_ID=your_app_id
+FEISHU_APP_SECRET=your_app_secret
+FEISHU_VERIFICATION_TOKEN=your_verification_token
+FEISHU_ENCRYPT_KEY=your_encrypt_key
+
+# Admin configuration (comma-separated emails)
+ADMIN_EMAILS=admin@example.com
+
+# Optional: Frontend URL for CORS during local dev 
+FRONTEND_URL=http://localhost:3000
+REDIRECT_URI=http://localhost:3000/auth/callback