chore(deploy): add production caddy setup

docker-compose.prod.yml

@@ -0,0 +1,44 @@
+services:
+  auth-service:
+    environment:
+      SMS_PROVIDER: ${SMS_PROVIDER:?set SMS_PROVIDER in production env}
+      JWT_SECRET_KEY: ${JWT_SECRET_KEY:?set JWT_SECRET_KEY in production env}
+      ADMIN_MOBILE: ${ADMIN_MOBILE:?set ADMIN_MOBILE in production env}
+
+  sms-worker:
+    environment:
+      SMS_PROVIDER: ${SMS_PROVIDER:?set SMS_PROVIDER in production env}
+      KAVENEGAR_API_KEY: ${KAVENEGAR_API_KEY:-}
+      SMS_IR_API_KEY: ${SMS_IR_API_KEY:-}
+
+  demo-app:
+    environment:
+      DEMO_ENABLE_DEBUG_OTP: "false"
+    depends_on:
+      auth-service:
+        condition: service_healthy
+
+  caddy:
+    image: caddy:2.8-alpine
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+      - "443:443/udp"
+    volumes:
+      - ./deploy/caddy/Caddyfile:/etc/caddy/Caddyfile:ro
+      - caddy-data:/data
+      - caddy-config:/config
+    depends_on:
+      demo-app:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "caddy", "validate", "--config", "/etc/caddy/Caddyfile"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+
+volumes:
+  caddy-data:
+  caddy-config:
+