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feat: add env expansion, sandbox env fetching, and configurable

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healthchecks

Fix ENV instructions to expand $VAR references at set time using the
current env state, preventing self-referencing values like
PATH=/opt/venv/bin:$PATH from producing recursive expansions. Remove
expandEnv from shellPrefix to avoid double expansion.

Fetch sandbox environment variables via `env` before recipe execution
so ENV steps resolve against actual runtime values from the base
template image.

Replace hardcoded healthcheck timing with a Dockerfile-like flag parser
supporting --interval, --timeout, --start-period, and --retries. Add
start-period grace window and bounded retry counting to
waitForHealthcheck.

Add python-interpreter-v0-beta recipe and healthcheck files.
This commit is contained in:
Tasnim Kabir Sadik
2026-04-07 01:15:43 +06:00
parent ab38c8372c
commit 4f340b8847
10 changed files with 537 additions and 17 deletions
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recipes/python-interpreter-v0-beta.healthcheck Normal file
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--interval=5s --timeout=3s --start-period=3s --retries=3 python3 -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8888/api/status', timeout=3)"

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recipes/python-interpreter-v0-beta.recipefile Normal file
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RUN apt-get install -y --no-install-recommends python3 python3-pip python3-venv
RUN python3 -m venv /opt/venv
ENV PATH=/opt/venv/bin:$PATH
RUN --timeout=5m pip install --no-cache-dir notebook
START jupyter notebook --no-browser --ip=0.0.0.0 --port=8888 --ServerApp.token='' --ServerApp.allow_origin='*' --allow-root