feat(deploy): add containerized deployment configuration and scripts

- Add Dockerfile for frontend and server services
- Add Docker Compose configs (standard and offline mode)
- Add nginx.conf for admin-web service
- Add deploy scripts: package.sh (packaging) and load-and-start.sh (startup)
- Add deploy/config.yaml, .env.example, and prompts.yml configurations
- Add image management design specification doc

deploy/docker-compose.offline.yaml

@@ -0,0 +1,55 @@
+# docker-compose.offline.yaml
+# 离线部署覆盖文件 — 与 docker-compose.yaml 合并使用
+#
+# 作用：
+#  1. 所有服务使用本地镜像前缀（geo-rankly/xxx），不走注册中心
+#  2. pull_policy: never — 禁止 Docker 尝试拉取镜像
+#  3. 去除 build 配置（离线环境不需要构建）
+
+services:
+
+  migrate:
+    image: geo-rankly/migrate:${IMAGE_TAG:-latest}
+    pull_policy: never
+    build: !reset null
+
+  tenant-api:
+    image: geo-rankly/tenant-api:${IMAGE_TAG:-latest}
+    pull_policy: never
+    build: !reset null
+
+  worker-generate:
+    image: geo-rankly/worker-generate:${IMAGE_TAG:-latest}
+    pull_policy: never
+    build: !reset null
+
+  scheduler:
+    image: geo-rankly/scheduler:${IMAGE_TAG:-latest}
+    pull_policy: never
+    build: !reset null
+
+  frontend:
+    image: geo-rankly/frontend:${IMAGE_TAG:-latest}
+    pull_policy: never
+    build: !reset null
+
+  postgres:
+    pull_policy: never
+
+  monitoring-postgres:
+    pull_policy: never
+
+  rabbitmq:
+    pull_policy: never
+
+  redis:
+    pull_policy: never
+
+  qdrant:
+    pull_policy: never
+
+  minio:
+    pull_policy: never
+
+  minio-init:
+    pull_policy: never