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ci: Support adding custom JS and Python dependencies in the runners image (#19220)

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This commit is contained in:
Jaakko Husso
2025-09-08 09:16:10 +03:00
committed by GitHub
parent efc3a2d664
commit 509ab95d5d
6 changed files with 141 additions and 11 deletions
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22
docker/images/runners/Dockerfile
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@@ -4,9 +4,22 @@ ARG PYTHON_VERSION=3.13
# ==============================================================================
# STAGE 1: JavaScript runner (@n8n/task-runner) artifact from CI
# ==============================================================================
FROM alpine:3.22.1 AS app-artifact-processor
FROM node:${NODE_VERSION}-alpine AS javascript-runner-builder
COPY ./dist/task-runner-javascript /app/task-runner-javascript
WORKDIR /app/task-runner-javascript
RUN corepack enable pnpm
# Install extra runtime-only npm packages. Allow usage in the Code node via
# 'NODE_FUNCTION_ALLOW_EXTERNAL' env variable on n8n-task-runners.json.
RUN rm -f node_modules/.modules.yaml
RUN mv package.json package.json.bak
COPY docker/images/runners/package.json /app/task-runner-javascript/package.json
RUN pnpm install --prod --no-lockfile --silent
RUN mv package.json extras.json
RUN mv package.json.bak package.json
# ==============================================================================
# STAGE 2: Python runner build (@n8n/task-runner-python) with uv
# Produces a relocatable venv tied to the python version used
@@ -48,6 +61,11 @@ RUN uv sync \
--frozen \
--no-editable
# Install extra runtime-only Python packages. Allow usage in the Code node via
# 'N8N_RUNNERS_EXTERNAL_ALLOW' env variable on n8n-task-runners.json.
COPY docker/images/runners/extras.txt /app/task-runner-python/extras.txt
RUN uv pip install -r /app/task-runner-python/extras.txt
# ==============================================================================
# STAGE 3: Task Runner Launcher download
# ==============================================================================
@@ -99,7 +117,7 @@ RUN addgroup -g 1000 -S runner \
&& adduser -u 1000 -S -G runner -h /home/runner -D runner
WORKDIR /home/runner
COPY --from=app-artifact-processor /app/task-runner-javascript /opt/runners/task-runner-javascript
COPY --from=javascript-runner-builder /app/task-runner-javascript /opt/runners/task-runner-javascript
COPY --from=python-runner-builder /app/task-runner-python /opt/runners/task-runner-python
COPY --from=launcher-downloader /launcher-bin/* /usr/local/bin/