Update Dockerfile

Dockerfile

@@ -26,10 +26,10 @@ RUN apk add --no-cache \
 ENV PLAYWRIGHT_BROWSERS_PATH /usr/bin \
     PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD 1 \
     PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH /usr/bin/chromium-browser \
-    PLAYWRIGHT_SKIP_BROWSER_VALIDATION=1
+    PLAYWRIGHT_SKIP_BROWSER_VALIDATION 1
 
 # 复制依赖文件并安装
-RUN git clone https://github.com/zhezzma/playwright-proxy .
+RUN git clone https://github.com/zhezzma/playwright-proxy $WORKDIR
 COPY package*.json tsconfig.json ./
 RUN npm install