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docker: improve image layout and backend-only/frontend-only images (#2071)

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* docker: improve image layout and backend-only image

* add tests

* add tests

* add frontend

* add frontend

* label

* fix
This commit is contained in:
Nicolò Boschi 2024-06-05 13:46:14 +02:00 • committed by GitHub
commit ba59a9f449
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9 changed files with 233 additions and 48 deletions
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81
docker/build_and_push.Dockerfile
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@ -1,21 +1,13 @@
# 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
# BUILDER-BASE
# Used to build deps + create our virtual environment
################################
FROM python:3.12-slim as python-base
FROM python:3.12-slim as builder-base
# python
ENV PYTHONUNBUFFERED=1 \
# prevents python creating .pyc files
PYTHONDONTWRITEBYTECODE=1 \
ENV PYTHONDONTWRITEBYTECODE=1 \
\
# pip
PIP_DISABLE_PIP_VERSION_CHECK=on \
@ -37,56 +29,49 @@ ENV PYTHONUNBUFFERED=1 \
PYSETUP_PATH="/opt/pysetup" \
VENV_PATH="/opt/pysetup/.venv"
# prepend poetry and venv to path
ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
################################
# BUILDER-BASE
# Used to build deps + create our virtual environment
################################
FROM python-base as builder-base
RUN apt-get update \
&& apt-get install --no-install-recommends -y \
# deps for installing poetry
curl \
# deps for building python deps
build-essential \
# npm
npm \
build-essential npm \
# gcc
gcc \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
# Now we need to copy the entire project into the image
WORKDIR /app
COPY pyproject.toml poetry.lock ./
COPY src ./src
COPY scripts ./scripts
COPY Makefile ./
COPY README.md ./
RUN --mount=type=cache,target=/root/.cache \
curl -sSL https://install.python-poetry.org | python3 -
RUN useradd -m -u 1000 user && \
mkdir -p /app/langflow && \
chown -R user:user /app && \
chmod -R u+w /app/langflow
# Update PATH with home/user/.local/bin
ENV PATH="/home/user/.local/bin:${PATH}"
RUN python -m pip install requests && cd ./scripts && python update_dependencies.py
RUN $POETRY_HOME/bin/poetry lock
RUN $POETRY_HOME/bin/poetry build
WORKDIR /app
COPY pyproject.toml poetry.lock README.md ./
COPY src/ ./src
COPY scripts/ ./scripts
RUN python -m pip install requests --user && cd ./scripts && python update_dependencies.py
RUN $POETRY_HOME/bin/poetry lock --no-update \
&& $POETRY_HOME/bin/poetry install --no-interaction --no-ansi -E deploy \
&& $POETRY_HOME/bin/poetry build -f wheel \
&& $POETRY_HOME/bin/poetry run pip install dist/*.whl
################################
# RUNTIME
# Setup user, utilities and copy the virtual environment only
################################
FROM python:3.12-slim as runtime
LABEL org.opencontainers.image.title=langflow
LABEL org.opencontainers.image.authors=['Langflow']
LABEL org.opencontainers.image.licenses=MIT
LABEL org.opencontainers.image.url=https://github.com/langflow-ai/langflow
LABEL org.opencontainers.image.source=https://github.com/langflow-ai/langflow
RUN useradd user -u 1000 -g 0 --no-create-home --home-dir /app/data
COPY --from=builder-base --chown=1000 /app/.venv /app/.venv
ENV PATH="/app/.venv/bin:${PATH}"
# Copy virtual environment and built .tar.gz from builder base
USER user
# Install the package from the .tar.gz
RUN python -m pip install /app/dist/*.tar.gz --user
WORKDIR /app
ENTRYPOINT ["python", "-m", "langflow", "run"]
CMD ["--host", "0.0.0.0", "--port", "7860"]
CMD ["--host", "0.0.0.0", "--port", "7860"]