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fix(docker): eliminate venv, use system python with uv #209

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Merged
fyzanshaik-atlan merged 1 commit into from
Feb 17, 2026
Merged

fix(docker): eliminate venv, use system python with uv #209

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39 changes: 14 additions & 25 deletions modelcontextprotocol/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,33 +1,22 @@
# Use a Python image with uv pre-installed
FROM ghcr.io/astral-sh/uv:python3.11-bookworm-slim AS builder

# Set environment variables for build
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PIP_NO_CACHE_DIR=1

# Install the project into `/app`
WORKDIR /app

ADD . /app

# Create a virtual environment and install dependencies
RUN python -m venv /app/.venv
ENV PATH="/app/.venv/bin:$PATH"
RUN uv sync --no-cache-dir --no-dev --python /app/.venv/bin/python

FROM registry.atlan.com/public/pyatlan:main-latest AS runtime
FROM registry.atlan.com/public/pyatlan:main-latest

USER root
WORKDIR /home/nonroot/app

COPY --from=builder --chown=nonroot:nonroot /app /home/nonroot/app
# Set UV environment variables
ENV UV_NO_MANAGED_PYTHON=true \
UV_SYSTEM_PYTHON=true

# Fix venv python symlink: builder has python at /usr/local/bin, runtime at /usr/bin
RUN ln -sf /usr/bin/python3 /home/nonroot/app/.venv/bin/python && \
ln -sf /usr/bin/python3 /home/nonroot/app/.venv/bin/python3
# Copy project files
COPY --chown=nonroot:nonroot . /home/nonroot/app

# Set the PATH to use the virtual environment
ENV PATH="/home/nonroot/app/.venv/bin:$PATH"
# Install MCP server and its deps to system python
# pyatlan and common deps (pydantic, httpx, cryptography, etc.) already in base image
RUN uv pip install --system --no-cache --no-deps . && \
uv pip install --system --no-cache \
"fastmcp>=2.14.0" \
"uvicorn>=0.35.0" && \
rm -rf /root/.cache ~/.cache

ENV MCP_TRANSPORT="stdio"
ENV MCP_HOST="0.0.0.0"
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