Open Source Tech Hub
Aug 10, 2026 · Cloud Native
How S6 Overlay Enables Multi‑Process Management in PHP Containers
The article explains how S6 Overlay, a lightweight C‑based process supervisor designed for containers, coordinates PHP‑FPM and a reverse‑proxy (NGINX or Apache) within a single Docker image, detailing its health‑check behavior, custom initialization steps, and comparing its benefits and drawbacks against traditional Supervisor.
Container HealthDockerNginx
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