ARG PYTHON_VERSION=3.12.7
FROM python:${PYTHON_VERSION}-slim as base

# Prevents Python from writing pyc files.
ENV PYTHONDONTWRITEBYTECODE=1

# Keeps Python from buffering stdout and stderr to avoid situations where
# the application crashes without emitting any logs due to buffering.
ENV PYTHONUNBUFFERED=1

# Create directory for patched packages and set permissions
RUN mkdir -p /app/patched_packages && \
    chmod 777 /app/patched_packages

# Ensure patches are applied to the application.
ENV PYTHONPATH=/app/patched_packages:$PYTHONPATH

WORKDIR /app

# Create a non-privileged user that the app will run under.
# See https://docs.docker.com/go/dockerfile-user-best-practices/
ARG UID=10001
RUN adduser \
    --disabled-password \
    --gecos "" \
    --home "/nonexistent" \
    --shell "/bin/bash" \
    --no-create-home \
    --uid "${UID}" \
    appuser

# Install necessary packages and build tools
RUN apt-get update && apt-get install -y \
    build-essential \
    gcc \
    postgresql-client \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Create logs directory and set permissions
RUN mkdir -p /app/logs && chown -R appuser:appuser /app/logs

# Download dependencies as a separate step to take advantage of Docker's caching.
# Leverage a cache mount to /root/.cache/pip to speed up subsequent builds.
# Leverage a bind mount to requirements.txt to avoid having to copy them into
# into this layer.

COPY requirements.txt /app/
RUN python -m pip install -r /app/requirements.txt

# Copy the source code into the container.
COPY eveai_app /app/eveai_app
COPY common /app/common
COPY config /app/config
COPY migrations /app/migrations
COPY scripts /app/scripts
COPY patched_packages /app/patched_packages

# Set permissions for entrypoint script
RUN chmod 777 /app/scripts/entrypoint.sh

# Set ownership of the application directory to the non-privileged user
RUN chown -R appuser:appuser /app

# Expose the port that the application listens on.
EXPOSE 5001

# Set entrypoint and command
ENTRYPOINT ["/app/scripts/entrypoint.sh"]
CMD ["/app/scripts/start_eveai_app.sh"]