Replace uvicorn with gunicorn + UvicornWorker in backend, runtime, and schedule Dockerfiles. New gunicorn.conf.py per service exposes bind/workers/timeout/graceful_timeout as GUNICORN_* env knobs. Notable details: - schedule: timeout=0 (disables gunicorn worker heartbeat) so long notebook execution isn't killed by gunicorn's silent-worker kill. - All three configs: drop dead threads=4 setting; UvicornWorker is async and ignores threads. - Pin gunicorn>=26.0.0 in each pyproject; uv.lock regenerated. - Drop stale 'COPY contracts ./contracts' from runtime and schedule Dockerfiles (contracts dir was deleted in an earlier refactor; builds would have failed). - backend Dockerfile: switch to uv sync layout matching runtime/ schedule; add build deps for native wheels. Co-Authored-By: Claude <noreply@anthropic.com>
15 lines
435 B
Python
15 lines
435 B
Python
"""Gunicorn configuration for the backend service.
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All values can be overridden with GUNICORN_* environment variables.
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"""
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import os
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bind = os.getenv("GUNICORN_BIND", "0.0.0.0:8000")
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workers = int(os.getenv("GUNICORN_WORKERS", "1"))
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worker_class = "uvicorn.workers.UvicornWorker"
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timeout = int(os.getenv("GUNICORN_TIMEOUT", "120"))
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graceful_timeout = int(os.getenv("GUNICORN_GRACEFUL_TIMEOUT", "30"))
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accesslog = "-"
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errorlog = "-"
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