diff --git a/backend/Dockerfile b/backend/Dockerfile
index 24e217f..6e57073 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -14,7 +14,7 @@ COPY common ./common
 COPY backend ./backend
 
 # 3. 安装 backend 及其所有依赖 (包括本地 common)
-RUN uv sync --frozen --no-dev --package backend
+RUN UV_DEFAULT_INDEX="https://pypi.tuna.tsinghua.edu.cn/simple/" uv sync --frozen --no-dev --no-editable --package backend
 
 EXPOSE 8000
 
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index b19b6f8..88165c2 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -8,7 +8,9 @@ authors = [
 ]
 requires-python = ">=3.12"
 dependencies = [
+    "boto3>=1.43.57",
     "fastapi>=0.140.0",
+    "httpx>=0.28.1",
     "loguru>=0.7.3",
     "pydantic>=2.13.4",
     "uvicorn>=0.51.0",
diff --git a/default.conf b/default.conf
index 4c86b73..ed4d37c 100644
--- a/default.conf
+++ b/default.conf
@@ -13,6 +13,8 @@ server {
     server_name localhost;
     # 全局或针对存储服务设置最大上传限制 (100G)
     client_max_body_size 100G;
+    # 指定 Docker 内置 DNS 解析器，并设置 30 秒缓存
+    resolver 127.0.0.11 valid=30s ipv6=off;
 
     # =========================================================================
     # 1. RustFS 对象存储服务转发 (/storage/)
@@ -80,7 +82,7 @@ server {
     location = /internal-auth {
         internal;
         # 打到宿主机的 FastAPI 8000 端口
-        proxy_pass http://host.docker.internal:8000/api/v1/auth/jupyter;
+        proxy_pass http://backend:8000/api/v1/auth/jupyter;
 
         proxy_pass_request_body off;
         proxy_set_header Content-Length "";
diff --git a/docker-compose.yml b/docker-compose.yml
index b1c832c..8505ebe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,16 @@
 version: '3.8'
 
 services:
+  web:
+    image: nginx:alpine
+    ports:
+      - "8888:80"
+    restart: unless-stopped
+    volumes:
+      - ./default.conf:/etc/nginx/conf.d/default.conf:ro
+    depends_on:
+      - backend
+
   backend:
     build:
       context: .
@@ -9,6 +19,9 @@ services:
       - "8000:8000"
     environment:
       - RUNTIME_BASE_URL=http://runtime:8001
+    volumes:
+      - ./backend:/app/backend:ro
+      - ./common:/app/common:ro
     depends_on:
       - runtime
 
@@ -19,4 +32,7 @@ services:
     ports:
       - "8001:8001"
     environment:
-      - PUBLIC_BASE_URL=http://runtime
\ No newline at end of file
+      - PUBLIC_BASE_URL=http://runtime
+    volumes:
+      - ./runtime:/app/runtime:ro
+      - ./common:/app/common:ro
\ No newline at end of file
diff --git a/runtime/Dockerfile b/runtime/Dockerfile
index 61b3080..d372eff 100644
--- a/runtime/Dockerfile
+++ b/runtime/Dockerfile
@@ -12,7 +12,7 @@ COPY pyproject.toml uv.lock ./
 COPY common ./common
 COPY runtime ./runtime
 
-RUN uv sync --frozen --no-dev --package backend
+RUN UV_DEFAULT_INDEX="https://pypi.tuna.tsinghua.edu.cn/simple/" uv sync --frozen --no-dev --no-editable --package runtime
 
 EXPOSE 8001
 
diff --git a/uv.lock b/uv.lock
index 76ca3fa..2a19207 100644
--- a/uv.lock
+++ b/uv.lock
@@ -151,7 +151,9 @@ name = "backend"
 version = "0.1.0"
 source = { editable = "backend" }
 dependencies = [
+    { name = "boto3" },
     { name = "fastapi" },
+    { name = "httpx" },
     { name = "loguru" },
     { name = "pydantic" },
     { name = "uvicorn" },
@@ -159,7 +161,9 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
+    { name = "boto3", specifier = ">=1.43.57" },
     { name = "fastapi", specifier = ">=0.140.0" },
+    { name = "httpx", specifier = ">=0.28.1" },
     { name = "loguru", specifier = ">=0.7.3" },
     { name = "pydantic", specifier = ">=2.13.4" },
     { name = "uvicorn", specifier = ">=0.51.0" },
@@ -195,6 +199,34 @@ css = [
     { name = "tinycss2" },
 ]
 
+[[package]]
+name = "boto3"
+version = "1.43.57"
+source = { registry = "https://pypi.tuna.tsinghua.edu.cn/simple/" }
+dependencies = [
+    { name = "botocore" },
+    { name = "jmespath" },
+    { name = "s3transfer" },
+]
+sdist = { url = "https://pypi.tuna.tsinghua.edu.cn/packages/c7/30/324319a914752e4021358ccf8252c04364eb8358f9d41d9c3f021959b363/boto3-1.43.57.tar.gz", hash = "sha256:549c95e45f9b04cf0c69727632dbdda23b84dcd3d0ed7981c6aaff72ef9cb5af", size = 112690, upload-time = "2026-07-27T19:31:09.32Z" }
+wheels = [
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/80/a4/2c4ee25556a997a81ea01073962cf8351da3707412c584d053b3861d09e8/boto3-1.43.57-py3-none-any.whl", hash = "sha256:115ed9cac409d9b57e2437b52fdb4286660d12a2bd44a0f48d530e68623d09a7", size = 140028, upload-time = "2026-07-27T19:31:07.226Z" },
+]
+
+[[package]]
+name = "botocore"
+version = "1.43.57"
+source = { registry = "https://pypi.tuna.tsinghua.edu.cn/simple/" }
+dependencies = [
+    { name = "jmespath" },
+    { name = "python-dateutil" },
+    { name = "urllib3" },
+]
+sdist = { url = "https://pypi.tuna.tsinghua.edu.cn/packages/0b/92/1f8a454cf90bcb0c0e32a25817441cb7f3702fdd76710d7018abad12a2fc/botocore-1.43.57.tar.gz", hash = "sha256:001a5653bebc03b862bde2da63bad4adb0b30072a3f247aba4daae5aa097b546", size = 15739550, upload-time = "2026-07-27T19:30:57.916Z" }
+wheels = [
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/41/7a/1cfe9c296df0fa6e0143c8622b10f21fa8fb9cce25450e9a8e5cf6523e4b/botocore-1.43.57-py3-none-any.whl", hash = "sha256:319c6d79f66c3f3f2b538f7dcdc90e410a15a7bfced1db06479134947e629482", size = 15424433, upload-time = "2026-07-27T19:30:55.08Z" },
+]
+
 [[package]]
 name = "certifi"
 version = "2026.7.22"
@@ -607,6 +639,15 @@ wheels = [
     { url = "https://pypi.tuna.tsinghua.edu.cn/packages/62/a1/3d680cbfd5f4b8f15abc1d571870c5fc3e594bb582bc3b64ea099db13e56/jinja2-3.1.6-py3-none-any.whl", hash = "sha256:85ece4451f492d0c13c5dd7c13a64681a86afae63a5f347908daf103ce6d2f67", size = 134899, upload-time = "2025-03-05T20:05:00.369Z" },
 ]
 
+[[package]]
+name = "jmespath"
+version = "1.1.0"
+source = { registry = "https://pypi.tuna.tsinghua.edu.cn/simple/" }
+sdist = { url = "https://pypi.tuna.tsinghua.edu.cn/packages/d3/59/322338183ecda247fb5d1763a6cbe46eff7222eaeebafd9fa65d4bf5cb11/jmespath-1.1.0.tar.gz", hash = "sha256:472c87d80f36026ae83c6ddd0f1d05d4e510134ed462851fd5f754c8c3cbb88d", size = 27377, upload-time = "2026-01-22T16:35:26.279Z" }
+wheels = [
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/14/2f/967ba146e6d58cf6a652da73885f52fc68001525b4197effc174321d70b4/jmespath-1.1.0-py3-none-any.whl", hash = "sha256:a5663118de4908c91729bea0acadca56526eb2698e83de10cd116ae0f4e97c64", size = 20419, upload-time = "2026-01-22T16:35:24.919Z" },
+]
+
 [[package]]
 name = "json5"
 version = "0.15.0"
@@ -1566,6 +1607,18 @@ requires-dist = [
     { name = "uvicorn", specifier = ">=0.51.0" },
 ]
 
+[[package]]
+name = "s3transfer"
+version = "0.19.2"
+source = { registry = "https://pypi.tuna.tsinghua.edu.cn/simple/" }
+dependencies = [
+    { name = "botocore" },
+]
+sdist = { url = "https://pypi.tuna.tsinghua.edu.cn/packages/76/43/35e4d8aa320bffe8287fe8f65f578fa2d2db0a64212f0e710dce58267854/s3transfer-0.19.2.tar.gz", hash = "sha256:ba0309fd86be3c27dbf78cdd813c13c5e1df16e5874b99d2535ebbdfb9892993", size = 165592, upload-time = "2026-07-22T19:30:44.432Z" }
+wheels = [
+    { url = "https://pypi.tuna.tsinghua.edu.cn/packages/bc/e7/5c595c75e9f41a44f30e526eda465ea0b4eec93470e074e4a111b253f13a/s3transfer-0.19.2-py3-none-any.whl", hash = "sha256:d8168eccca828cbb2cd573675333f3bddd254313a9c42494b84c76b539e8ba25", size = 90216, upload-time = "2026-07-22T19:30:43.251Z" },
+]
+
 [[package]]
 name = "send2trash"
 version = "2.1.0"