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build_and_push_base.Dockerfile
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build_and_push_base.Dockerfile
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# 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=1.8.2 \
# 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 apt-get update \
&& apt-get install --no-install-recommends -y \
# deps for installing poetry
curl \
# deps for building python deps
build-essential \
# npm
npm \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
RUN --mount=type=cache,target=/root/.cache \
curl -sSL https://install.python-poetry.org | python3 -
# Now we need to copy the entire project into the image
COPY pyproject.toml poetry.lock ./
COPY src/frontend/package.json /tmp/package.json
RUN cd /tmp && npm install
WORKDIR /app
COPY src/frontend ./src/frontend
RUN rm -rf src/frontend/node_modules
RUN cp -a /tmp/node_modules /app/src/frontend
COPY scripts ./scripts
COPY Makefile ./
COPY README.md ./
RUN cd src/frontend && npm run build
COPY src/backend ./src/backend
RUN cp -r src/frontend/build src/backend/base/langflow/frontend
RUN rm -rf src/backend/base/dist
RUN cd src/backend/base && $POETRY_HOME/bin/poetry build --format sdist
# Final stage for the application
FROM python-base as final
# Copy virtual environment and built .tar.gz from builder base
RUN useradd -m -u 1000 user
COPY --from=builder-base /app/src/backend/base/dist/*.tar.gz ./
# Install the package from the .tar.gz
RUN pip install *.tar.gz --user
WORKDIR /app
ENTRYPOINT ["python", "-m", "langflow", "run"]
CMD ["--host", "0.0.0.0", "--port", "7860"]