Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.9

# Create a non-root user (good practice)
RUN useradd -m -u 1000 user
USER user

# Set path environment variable
ENV PATH="/home/user/.local/bin:${PATH}"

# Set the working directory in the container
WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY --chown=user ./requirements.txt requirements.txt

# Install dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY --chown=user . /app

# Expose the port the app runs on (Hugging Face default)
EXPOSE 7860

# Run uvicorn server when the container launches
# CORRECTED: Points to 'morse_tts_server.py' and the 'app' object within it
CMD ["uvicorn", "morse_tts_server:app", "--host", "127.0.0.1", "--port", "7860"]