Create Dockerfile

Dockerfile

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+# Use a lightweight Python 3.10 base image
+FROM python:3.10-slim
+
+# 1. Install Python dependencies
+RUN pip install --no-cache-dir fastapi uvicorn websockets playwright
+
+# 2. Install system dependencies required by Chromium
+RUN playwright install-deps chromium
+
+# 3. Create a non-root user (UID 1000) as required by Hugging Face Spaces
+RUN useradd -m -u 1000 user
+
+# 4. Create the /app directory and set ownership BEFORE switching users
+RUN mkdir -p /app/static && chown -R user:user /app
+
+# 5. Switch to the non-root user
+USER user
+
+# 6. Install Chromium as the non-root user (installs to their ~/.cache)
+RUN playwright install chromium
+
+# 7. Set working directory
+WORKDIR /app
+
+# 8. Copy application files with proper user ownership
+COPY --chown=user:user browser_server.py /app/
+COPY --chown=user:user static/browser.html /app/static/
+
+# 9. Expose the Hugging Face Spaces default port
+EXPOSE 7860
+
+# 10. Start the server using Uvicorn directly
+# This binds it to HF's required port 7860.
+CMD ["uvicorn", "browser_server:app", "--host", "0.0.0.0", "--port", "7860"]