Dockerfile

# Use the official Python 3.10 image
FROM python:3.10

# Set the working directory
WORKDIR /code

# CRITICAL FIX: Install FFmpeg into the Linux container so Demucs can read MP3s
RUN apt-get update && apt-get install -y ffmpeg

# Copy the requirements file and install dependencies
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy your application code
COPY . /code

# Create the uploads and separated directories so Demucs has permission to write
RUN mkdir -p /code/uploads /code/separated
RUN chmod -R 777 /code/uploads /code/separated

# Start the FastAPI server
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]