Update Dockerfile

Dockerfile

@@ -1,16 +1,26 @@
-# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
-# you will also find guides on how best to write your Dockerfile
-
-FROM python:3.9
-
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
-
-WORKDIR /app
-
-COPY --chown=user ./requirements.txt requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
-
-COPY --chown=user . /app
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# Use official Python 3.9 slim image as base (smaller footprint than full Python image)
+FROM python:3.9-slim
+
+# Create non-root user as recommended by Hugging Face Spaces
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+# Set working directory
+WORKDIR /home/user/app
+
+# Copy requirements first (optimization for caching)
+COPY --chown=user:user ./requirements.txt requirements.txt
+
+# Install dependencies
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY --chown=user:user . .
+
+# Expose port (7860 is the default for Hugging Face Spaces)
+EXPOSE 7860
+
+# Run the application
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]