diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..1133ff0
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,8 @@
+node_modules
+npm-debug.log
+pnpm-debug.log
+Dockerfile
+.git
+.gitignore
+.dockerignore
+README.md
diff --git a/Dockerfile b/Dockerfile
index 7de9ffe..06f235a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,20 +1,36 @@
-FROM node:22-slim
-
-RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg \
-    && rm -rf /var/lib/apt/lists/*
+# 使用 AWS ECR Public 镜像源 (通常国内可直连)
+FROM public.ecr.aws/docker/library/node:22-slim
 
 ENV NODE_ENV=production
-ENV CACHE_DIR=/app/.cache
 WORKDIR /app
 
-COPY package.json ./
-RUN corepack enable && pnpm --version && pnpm install --prod
+# 1. 替换 Debian 软件源为阿里云镜像 (解决 apt 网络问题)
+RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends ffmpeg && \
+    rm -rf /var/lib/apt/lists/*
+
+# 验证 ffmpeg
+RUN ffmpeg -version && ffprobe -version
+
+# 2. 配置 pnpm 淘宝源并安装依赖
+# 启用 corepack
+RUN corepack enable && \
+    pnpm config set registry https://registry.npmmirror.com/
+
+COPY package.json ./
+RUN pnpm install --prod --frozen-lockfile || pnpm install --prod
 
-# 只复制必要源代码，避免把缓存等无关内容塞进镜像
 COPY . .
 
-RUN useradd -m appuser && mkdir -p /app/.cache && chown -R appuser:appuser /app
-USER appuser
+# 3. 权限与启动
+ENV PORT=9520
+ENV CACHE_DIR=/app/.cache
 
-EXPOSE 9520
+RUN useradd -m appuser && \
+    mkdir -p "$CACHE_DIR" && \
+    chown -R appuser:appuser /app
+
+USER appuser
+EXPOSE $PORT
 CMD ["node", "index.js"]
diff --git a/index.js b/index.js
index 1e7aa53..e33e97f 100644
--- a/index.js
+++ b/index.js
@@ -16,7 +16,7 @@ const crypto = require('crypto');
 const EventEmitter = require('events');
 
 // Configuration
-const PORT = 9520;
+const PORT = process.env.PORT || 9520;
 const API_BASE = 'http://183.6.121.121:9558/api';
 const CACHE_DIR = process.env.CACHE_DIR ? path.resolve(process.env.CACHE_DIR) : path.join(__dirname, '.cache');