gunicorn/tests/docker/dirty_ttin_ttou/docker-compose.yml
Benoit Chesneau 2639215aa3 feat(dirty): add TTIN/TTOU signal support for dynamic worker scaling
Add support for SIGTTIN and SIGTTOU signals to the dirty arbiter,
allowing dynamic scaling of dirty workers at runtime without restarting
gunicorn.

Changes:
- Add TTIN/TTOU to DirtyArbiter.SIGNALS
- Add num_workers instance variable for dynamic count
- Add _get_minimum_workers() to enforce app worker constraints
- Add signal handlers for TTIN (increase) and TTOU (decrease)
- Update manage_workers() to use dynamic count
- Add documentation for dynamic scaling
- Add unit tests for signal handling
- Add Docker integration tests

The minimum worker constraint ensures TTOU cannot reduce workers below
what apps require (e.g., if an app has workers=3, minimum is 3).

Closes #3489
2026-02-12 23:52:12 +01:00

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YAML

services:
gunicorn:
build:
context: ../../..
dockerfile: tests/docker/dirty_ttin_ttou/Dockerfile
ports:
- "18000:8000"
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
interval: 2s
timeout: 5s
retries: 15
start_period: 5s
stop_grace_period: 10s