Update Dockerfile

Dockerfile

@@ -1,17 +1,18 @@
+# 使用Python官方镜像
 FROM python:3.10-slim
 
 # 设置环境变量
-ENV TRANSFORMERS_CACHE=/model-cache \
+ENV HF_HOME=/model-cache \
     PYTHONUNBUFFERED=1 \
-    PATH="/home/appuser/.local/bin:${PATH}"
+    PORT=7860  # Hugging Face强制使用7860端口
 
 # 安装系统依赖
 RUN apt-get update && \
     apt-get install -y --no-install-recommends gcc python3-dev && \
     rm -rf /var/lib/apt/lists/*
 
-# 创建用户和缓存目录
-RUN adduser --disabled-password --gecos "" appuser && \
+# 创建非root用户
+RUN useradd -m appuser && \
     mkdir -p /model-cache && \
     chown -R appuser:appuser /model-cache
 
@@ -19,13 +20,19 @@ RUN adduser --disabled-password --gecos "" appuser && \
 USER appuser
 WORKDIR /app
 
-# 安装Python依赖
+# 复制依赖文件
 COPY requirements.txt .
+
+# 安装依赖并预下载模型
 RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
+    pip install --no-cache-dir -r requirements.txt && \
+    python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('flax-sentence-embeddings/st-codesearch-distilroberta-base')"
 
 # 复制应用代码
 COPY app.py .
 
-EXPOSE 8080
-CMD ["gunicorn", "--bind", "0.0.0.0:8080", "--timeout", "120", "app:app"]
+# 暴露Hugging Face强制端口
+EXPOSE 7860
+
+# 启动命令（必须使用7860端口）
+CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--timeout", "600", "app:app"]