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* fix: Build and install the langflow-sdk for lfx (fixes nightly) (#12481) * fix: Build and install the langflow-sdk for lfx * Publish sdk as a nightly * Update ci.yml * Update python_test.yml * Update ci.yml * fix: Properly grep for the langflow version (#12486) * fix: Properly grep for the langflow version * Mount the sdk where needed * Skip the sdk * [autofix.ci] apply automated fixes * Update setup.py * fix(docker): Remove broken npm self-upgrade from Docker images (#12309) * fix: replace grep -oP with sed for Node.js version extraction in Docker builds (#12331) The grep -oP (PCRE regex) command fails in the python:3.12.12-slim-trixie Docker base image because PCRE support is not available in the slim variant. This replaces grep -oP with portable sed -nE in all 5 Dockerfiles and adds an empty version guard to fail fast with a clear error message instead of producing a broken download URL. --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: Cristhian Zanforlin Lousa <cristhian.lousa@gmail.com> Co-authored-by: vjgit96 <vijay.katuri@ibm.com>
97 lines
3.2 KiB
Docker
97 lines
3.2 KiB
Docker
# syntax=docker/dockerfile:1
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# Keep this syntax directive! It's used to enable Docker BuildKit
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#
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# Backend-only Langflow image
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# - No frontend code or assets
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# - No Playwright
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################################
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# BUILDER
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################################
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FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS builder
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WORKDIR /app
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# Required for apify-client
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ENV RUSTFLAGS='--cfg reqwest_unstable'
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# Install build dependencies
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RUN apt-get update \
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&& apt-get upgrade -y \
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&& apt-get install --no-install-recommends -y \
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build-essential \
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gcc \
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git \
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curl \
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&& apt-get clean \
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&& rm -rf /var/lib/apt/lists/*
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# Copy only backend source (excludes frontend)
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COPY ./src/backend ./src/backend
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COPY ./src/lfx ./src/lfx
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# Create venv and install langflow-base with dependencies
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# Using uv pip instead of uv sync to avoid workspace complexities
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RUN uv venv /app/.venv
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ENV PATH="/app/.venv/bin:$PATH"
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ENV VIRTUAL_ENV="/app/.venv"
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RUN --mount=type=cache,target=/root/.cache/uv \
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uv pip install ./src/lfx "./src/backend/base[complete,postgresql]"
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################################
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# RUNTIME
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################################
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FROM python:3.12.12-slim-trixie AS runtime
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# Install minimal runtime dependencies
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RUN apt-get update \
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&& apt-get upgrade -y \
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&& apt-get install --no-install-recommends -y \
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curl \
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git \
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libpq5 \
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gnupg \
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xz-utils \
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&& apt-get clean \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=builder /usr/local/bin/uv /usr/local/bin/uv
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COPY --from=builder /usr/local/bin/uvx /usr/local/bin/uvx
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# Install Node.js (required for npx-based MCP stdio servers)
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RUN ARCH=$(dpkg --print-architecture) \
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&& if [ "$ARCH" = "amd64" ]; then NODE_ARCH="x64"; \
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elif [ "$ARCH" = "arm64" ]; then NODE_ARCH="arm64"; \
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else NODE_ARCH="$ARCH"; fi \
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&& NODE_VERSION=$(curl -fsSL https://nodejs.org/dist/latest-v22.x/ \
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| sed -nE "s/.*node-v([0-9]+\.[0-9]+\.[0-9]+)-linux-${NODE_ARCH}\.tar\.xz.*/\1/p" \
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| head -1) \
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&& if [ -z "$NODE_VERSION" ]; then echo "ERROR: Could not determine Node.js version" && exit 1; fi \
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&& curl -fsSL "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-${NODE_ARCH}.tar.xz" \
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| tar -xJ -C /usr/local --strip-components=1
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# Create non-root user
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RUN useradd --uid 1000 --gid 0 --no-create-home --home-dir /app/data user
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# Copy only the virtual environment
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COPY --from=builder --chown=1000:0 /app/.venv /app/.venv
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ENV PATH="/app/.venv/bin:$PATH"
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# Create home directory and ensure proper ownership
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# The user needs write access to /app/data (home) and /app (workdir)
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# Note: .venv is already owned by 1000:0 via COPY --chown above, so no recursive chown needed
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RUN mkdir -p /app/data && chown -R 1000:0 /app/data && chown 1000:0 /app
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LABEL org.opencontainers.image.title=langflow-backend
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LABEL org.opencontainers.image.authors=['Langflow']
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LABEL org.opencontainers.image.licenses=MIT
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LABEL org.opencontainers.image.url=https://github.com/langflow-ai/langflow
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LABEL org.opencontainers.image.source=https://github.com/langflow-ai/langflow
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USER user
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WORKDIR /app
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ENV LANGFLOW_HOST=0.0.0.0
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ENV LANGFLOW_PORT=7860
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CMD ["python", "-m", "langflow", "run", "--backend-only"]
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