fix(gunicorn): support GUNICORN_KEEP_ALIVE setting in Procfile and Dockerfile

[siddiqueirshad]

Fixes #8543. Enables GUNICORN_KEEP_ALIVE environment variable in �pi/Procfile and Dockerfile to configure HTTP keep-alive timeout.

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📥 Commits

Reviewing files that changed from the base of the PR and between 49d957a and 099ea7e.

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• Dockerfile
• api/Procfile

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📝 Walkthrough

Walkthrough

The api-runtime Docker stage now sets GUNICORN_KEEP_ALIVE to 2. The web process passes this value to Gunicorn through --keep-alive, and uses 2 seconds when the variable is unset.

Priority: ➖ Normal

Estimated code review effort: 1 (Trivial) | ~5 minutes

Severity of issue fixed: Medium

Merge Risk: ⚪ Minimal · up to 099ea

No actionable merge-blocking risk is established; the default behavior remains consistent.

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🛠️ Fix failing CI checks 💡

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[matthewelwell]

Hi @siddiqueirshad , thanks for the contribution, but this doesn't resolve #8543. This merely resolves it when the Procfile is used (for Heroku-like deployments). You'll need to take a look at the Flagsmith/flagsmith-common repository in order to fully resolve the issue.

[siddiqueirshad]

Hi @khvn26, when you get a chance, could you please take a look at this PR? Thanks!