content: 
  
  # syntax=docker/dockerfile:1
  # Keep this syntax directive! It's used to enable Docker BuildKit
  
  # Based on https://github.com/python-poetry/poetry/discussions/1879?sort=top#discussioncomment-216865
  # but I try to keep it updated (see history)
  
  ################################
  # PYTHON-BASE
  # Sets up all our shared environment variables
  ################################
  FROM python:3.10-slim as python-base
  
  # python
  ENV PYTHONUNBUFFERED=1 \
      # prevents python creating .pyc files
      PYTHONDONTWRITEBYTECODE=1 \
      \
      # pip
      PIP_DISABLE_PIP_VERSION_CHECK=on \
      PIP_DEFAULT_TIMEOUT=100 \
      \
      # poetry
      # https://python-poetry.org/docs/configuration/#using-environment-variables
      POETRY_VERSION=1.7.1 \
      # make poetry install to this location
      POETRY_HOME="/opt/poetry" \
      # make poetry create the virtual environment in the project's root
      # it gets named `.venv`
      POETRY_VIRTUALENVS_IN_PROJECT=true \
      # do not ask any interactive question
      POETRY_NO_INTERACTION=1 \
      \
      # paths
      # this is where our requirements + virtual environment will live
      PYSETUP_PATH="/opt/pysetup" \
      VENV_PATH="/opt/pysetup/.venv"
  
  
  # prepend poetry and venv to path
  ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
  
  
  ################################
  # BUILDER-BASE
  # Used to build deps + create our virtual environment
  ################################
  FROM python-base as builder-base
  RUN
  RUN apt-get update \
      && apt-get install --no-install-recommends -y \
      # deps for installing poetry
      curl \
      # deps for building python deps
      build-essential \
      # npm
      npm
  
  
  # Now we need to copy the entire project into the image
  WORKDIR /app
  COPY pyproject.toml poetry.lock ./
  COPY src ./src
  COPY Makefile ./
  COPY README.md ./
  RUN curl -sSL https://install.python-poetry.org | python3 - && make build
  
  # Final stage for the application
  FROM python-base as final
  
  # Copy virtual environment and built .tar.gz from builder base
  COPY --from=builder-base /app/dist/*.tar.gz ./
  
  # Install the package from the .tar.gz
  RUN pip install *.tar.gz
  
  WORKDIR /app
  CMD ["python", "-m", "langflow", "run", "--host", "0.0.0.0", "--port", "7860"]
  