# use python 3.12 as a base image
FROM docker.io/python:3.12-alpine

# use the latest version of uv, independently of the python version
COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/

# Set the working directory
WORKDIR /app

# Copy uv files
COPY pyproject.toml pyproject.toml
COPY uv.lock uv.lock
COPY .python-version .python-version

# Sync the venv
RUN uv sync --frozen --no-cache --no-dev

# Copy application files
COPY src src

EXPOSE 8000

# Set environment variables used by the deployment. These can be overridden by the user using this image.
ENV NUM_WORKERS=1
ENV OSM_CACHE_DIR=/cache
ENV MEMCACHED_HOST_PATH=none
ENV LOKI_URL=none

# explicitly use a string instead of an argument list to force a shell and variable expansion
CMD uv run fastapi run src/main.py --port 8000 --workers $NUM_WORKERS