Create Dockerfile

Dockerfile

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+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Install system dependencies required by the app, especially ffmpeg
+RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy the requirements file into the container
+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 application's code into the container
+# This includes app.py and the 'static' folder
+COPY . .
+
+# Tell Docker that the container listens on this port (Hugging Face standard)
+EXPOSE 7860
+
+# Define the command to run the application using Gunicorn
+# Binds to all network interfaces on port 7860
+# --workers 1 is safe for free tiers. --threads 4 helps handle concurrent requests.
+CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--threads", "4", "app:app"]