433ec813ba
• Add constraints-offline.txt for exact versions • Set upper bounds in pyproject.toml • Combine pip installs in Dockerfile • Update requirements with version bounds • Prevent dependency conflicts
96 lines
3.1 KiB
Text
96 lines
3.1 KiB
Text
# Frontend build stage
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FROM oven/bun:1 AS frontend-builder
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WORKDIR /app
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# Copy frontend source code
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COPY lightrag_webui/ ./lightrag_webui/
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# Build frontend assets for inclusion in the API package
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RUN cd lightrag_webui \
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&& bun install --frozen-lockfile \
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&& bun run build
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# Python build stage
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FROM python:3.12-slim AS builder
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ENV DEBIAN_FRONTEND=noninteractive
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WORKDIR /app
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# Upgrade packaging tools and install system deps (Rust is required by some wheels)
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RUN pip install --upgrade pip setuptools wheel \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends \
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curl \
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build-essential \
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pkg-config \
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&& rm -rf /var/lib/apt/lists/* \
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&& curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
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ENV PATH="/root/.cargo/bin:/root/.local/bin:${PATH}"
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# Copy project metadata and sources
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COPY pyproject.toml .
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COPY setup.py .
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COPY requirements-offline*.txt ./
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COPY constraints-offline.txt .
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COPY lightrag/ ./lightrag/
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# Include pre-built frontend assets from the previous stage
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COPY --from=frontend-builder /app/lightrag/api/webui ./lightrag/api/webui
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# Install LightRAG with API extras and all offline dependencies in a single step
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# This prevents version conflicts from multiple installation passes
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# Use constraints file for reproducible builds with exact versions
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RUN pip install --user --no-cache-dir --use-pep517 \
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--upgrade-strategy=only-if-needed \
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--constraint constraints-offline.txt \
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.[api] -r requirements-offline.txt
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# Prepare offline cache directory and pre-populate tiktoken data
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RUN mkdir -p /app/data/tiktoken \
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&& lightrag-download-cache --cache-dir /app/data/tiktoken || status=$?; \
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if [ -n "${status:-}" ] && [ "$status" -ne 0 ] && [ "$status" -ne 2 ]; then exit "$status"; fi
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# Final stage
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FROM python:3.12-slim
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WORKDIR /app
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RUN pip install --upgrade pip setuptools wheel
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# Copy installed packages and application code
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COPY --from=builder /root/.local /root/.local
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COPY --from=builder /app/lightrag ./lightrag
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COPY pyproject.toml .
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COPY setup.py .
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COPY requirements-offline*.txt ./
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COPY constraints-offline.txt .
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# Ensure the installed scripts are on PATH
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ENV PATH=/root/.local/bin:$PATH
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# Install editable package for runtime (re-using cached wheels) and verify extras
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# IMPORTANT: Must be done BEFORE creating data/ directory to avoid setuptools error
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# Use single installation to prevent version conflicts with exact version constraints
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RUN pip install --no-cache-dir --use-pep517 \
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--upgrade-strategy=only-if-needed \
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--constraint constraints-offline.txt \
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".[api]" -r requirements-offline.txt
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# Create persistent data directories AFTER package installation
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RUN mkdir -p /app/data/rag_storage /app/data/inputs /app/data/tiktoken
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# Copy offline cache into the newly created directory
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COPY --from=builder /app/data/tiktoken /app/data/tiktoken
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# Point to the prepared cache
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ENV TIKTOKEN_CACHE_DIR=/app/data/tiktoken
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ENV WORKING_DIR=/app/data/rag_storage
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ENV INPUT_DIR=/app/data/inputs
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# Expose API port
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EXPOSE 9621
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ENTRYPOINT ["python", "-m", "lightrag.api.lightrag_server"]
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