Update dockferfile

dockferfile

@@ -1,21 +1,36 @@
+# Use lightweight Python base
 FROM python:3.11-slim
 
-# non-root user (HF recommendation)
-RUN useradd -m -u 1000 user
-USER user
-ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH
-WORKDIR $HOME/app
+# Set environment variables
+ENV PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    HF_HOME=/tmp/huggingface \
+    TRANSFORMERS_CACHE=/tmp/huggingface \
+    HF_HUB_CACHE=/tmp/huggingface
 
-# persistent storage on Spaces -> /data
-RUN mkdir -p /data /data/models
+# Install system deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        build-essential \
+        git \
+        curl \
+        cmake \
+        && rm -rf /var/lib/apt/lists/*
 
-# copy code
-COPY --chown=user . $HOME/app
+# Create working directory
+WORKDIR /app
 
-# install deps
-RUN pip install --no-cache-dir -U pip \
- && pip install --no-cache-dir -r requirements.txt
+# Copy requirements (create a requirements.txt alongside app.py)
+COPY requirements.txt .
 
-# expose port and run
+# Install Python deps
+RUN pip install --upgrade pip \
+    && pip install -r requirements.txt
+
+# Copy the source code
+COPY . .
+
+# Expose HF Spaces port
 EXPOSE 7860
-CMD ["gunicorn", "-k", "gevent", "-w", "1", "-b", "0.0.0.0:7860", "app:app"]
+
+# Run FastAPI server
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]