feat: add Hugging Face Spaces Docker SDK support for backend

Dockerfile

@@ -18,8 +18,14 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy backend code
 COPY backend/ .
 
+# Download ONNX model weights during container build
+RUN python app/core/download_models.py
+
+# Create directories and set full permissions so non-root users (like Hugging Face UID 1000) can read/write
+RUN mkdir -p /workspace/uploads /workspace/models && chmod -R 777 /workspace
+
 # Expose FastAPI port
 EXPOSE 8000
 
-# Run FastAPI app
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Run FastAPI app with dynamic port fallback
+CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}"]

README.md

@@ -1,3 +1,13 @@
+---
+title: NetraID Backend
+emoji: 🧑‍💼
+colorFrom: cyan
+colorTo: blue
+sdk: docker
+app_port: 8000
+pinned: false
+---
+
 # NetraID - Production-Grade AI Face Authentication Attendance System
 
 NetraID is an enterprise-grade, 100% free, and self-hosted face-authentication attendance platform. Using advanced facial biometrics, liveness classifiers, and high-performance vector indexes, it provides an offline, secure, and production-ready system suitable for digital kiosks, schools, colleges, and startups.

backend/Dockerfile

@@ -21,8 +21,11 @@ COPY . .
 # Download ONNX model weights during container build
 RUN python app/core/download_models.py
 
+# Create directories and set full permissions so non-root users (like Hugging Face UID 1000) can read/write
+RUN mkdir -p /workspace/uploads /workspace/models && chmod -R 777 /workspace
+
 # Expose FastAPI port
 EXPOSE 8000
 
-# Run FastAPI app
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Run FastAPI app with dynamic port fallback
+CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}"]