# Use Python 3.10.11 slim image as the base image
FROM python:3.10.11-slim

# Set environment variables to avoid writing .pyc files and buffering stdout and stderr
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# Create a new user 'user' with UID and GID of 1000
RUN groupadd -g 1000 user && \
    useradd -m -s /bin/bash -u 1000 -g user user

# Set environment variables for the user install
ENV PATH=/home/user/.local/bin:$PATH

# Install system dependencies as root
RUN apt-get update && \
    apt-get install -y --no-install-recommends make ffmpeg dumb-init && \
    rm -rf /var/lib/apt/lists/*

# Set the home directory
WORKDIR /home/user/
RUN chown -R user:user /home/user

# Switch to non-root user before copying files and installing Python packages
USER user

# Copy the requirements file to /tmp and install Python dependencies with user flag
COPY --chown=user:user requirements.txt /tmp/requirements.txt
RUN python -m pip install --upgrade pip
RUN pip install --no-cache-dir --user -r /tmp/requirements.txt

# APPLICATION SETUP

# Copy the default profiles file and set the appropriate permissions
COPY --chown=user:user profiles.default.toml /home/user/.prefect/profiles.toml

# Copy the application files
COPY --chown=user:user app ./app
COPY --chown=user:user noaa_animate.py .
COPY --chown=user:user start.sh .
COPY --chown=user:user init_db.py .
RUN chmod +x start.sh
RUN mkdir -p out
RUN python init_db.py /home/user/.prefect/prefect.db

# Set the correct ownership (recursively) for /app
# Already owned by user due to --chown in COPY commands

# Define the entrypoint and the commands to execute
ENTRYPOINT ["dumb-init", "--"]
CMD ["./start.sh"]