Dockerfile

# syntax=docker/dockerfile:1
FROM python:3.11.0

# General environment settings
ENV PYTHONFAULTHANDLER=1 \
	# print immediately in stdout
	PYTHONUNBUFFERED=1 \
	PIP_NO_CACHE_DIR=off \
	PIP_DEFAULT_TIMEOUT=100 \
	POETRY_VERSION=1.8.0

# Project settings
ENV user=alab \
	project_folder=PyFlowintel

# Set the complete project home path
ENV PROJECT_HOME=/home/${user}/${project_folder}/

# Update dependencies in the Debian OS that comes with the base image
RUN apt update --fix-missing
RUN pip install --upgrade pip

# Create a non-root user with sudo capability
RUN useradd -ms /bin/bash ${user} && echo "${user} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

# Switch to non-root user
USER ${user}

# Install pipx and add it to PATH
RUN python3 -m pip install pipx
ENV PATH="/home/${user}/.local/bin:${PATH}"

# Install Poetry
RUN pipx install "poetry==$POETRY_VERSION"
RUN poetry completions bash >> ~/.bash_completion

# Create and set the working directory in the container
WORKDIR ${PROJECT_HOME}

# Copy dependency files from the host to the container
COPY poetry.lock pyproject.toml ${PROJECT_HOME}
#COPY pyproject.toml ${PROJECT_HOME}
# copy the project files separately for build cache optimization
COPY . ${PROJECT_HOME}

# Install the project's dependencies using Poetry and create virtual environment
RUN poetry install

# Switch back to root for cleanup
USER root

# Clean up unnecessary packages to reduce image size
RUN apt-get autoremove -y && apt-get autoclean -y && apt-get clean -y

# Set the container's starting point running the project as the user
USER ${user}
WORKDIR ${PROJECT_HOME}

# Health check - verify Poetry and package can be imported
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
	CMD poetry run python -c "from pyflowintel import PyFlowintel; print('OK')" || exit 1

# Entry point: run bash within Poetry's virtual environment
ENTRYPOINT ["poetry", "run", "bash"]