Update Dockerfile

Dockerfile

@@ -1,12 +1,18 @@
 # Use an official Python runtime as the base image
-FROM python:3.9
+FROM python:3.9-slim
 
-# Create a user to avoid running as root (Hugging Face Spaces recommendation)
+# Create a non-root user (Hugging Face Spaces requirement)
 RUN useradd -m -u 1000 user
 USER user
 WORKDIR /app
 ENV PATH="/home/user/.local/bin:$PATH"
 
+# Install system dependencies (needed for decord and other libraries)
+RUN apt-get update && apt-get install -y \
+    libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev \
+    libswscale-dev libswresample-dev libavfilter-dev \
+    && rm -rf /var/lib/apt/lists/*
+
 # Copy requirements.txt and install dependencies
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
@@ -14,7 +20,7 @@ RUN pip install --no-cache-dir --upgrade -r requirements.txt
 # Copy the rest of the application files
 COPY --chown=user . /app
 
-# Expose the port FastAPI will run on (Hugging Face Spaces default is 7860)
+# Expose the port (Hugging Face Spaces default is 7860)
 EXPOSE 7860
 
 # Command to run the FastAPI app with Uvicorn