Update Dockerfile

Dockerfile

@@ -1,23 +1,31 @@
-# Use an official Python runtime as a parent image.
-FROM python:3.9-slim
-
-# Set the working directory in the container.
-WORKDIR /app
-
-# Copy requirements.txt into the container at /app.
-COPY requirements.txt .
-
-# Install any needed packages specified in requirements.txt.
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy the rest of the code into the container at /app.
-COPY . .
-
-# Expose the port that Flask uses. (Hugging Face Spaces usually expects port 7860, but for Flask default port 5000 is common)
-EXPOSE 7860
-
-# Define environment variable for Flask (optional)
-ENV FLASK_APP=app.py
-
-# Run the command to start your app.
-CMD ["python", "app.py"]
+# Use an official Python runtime as a parent image.
+FROM python:3.9-slim
+
+# Install system dependencies for Manim.
+RUN apt-get update && apt-get install -y \
+    ffmpeg \
+    libcairo2 \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set the working directory in the container.
+WORKDIR /app
+
+# Copy requirements.txt into the container.
+COPY requirements.txt .
+
+# Install Python dependencies (including Manim).
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your application code into the container.
+COPY . .
+
+# Expose the port expected by Hugging Face Spaces.
+EXPOSE 7860
+
+# Set the Flask app environment variable.
+ENV FLASK_APP=app.py
+
+# Start the Flask application.
+CMD ["python", "app.py"]