stacklok / toolhive / 20305543338

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Fix Squid proxy crash loop on container restart (#3022)

Squid proxy containers enter an infinite crash loop when restarted via
  Docker directly because the PID file persists across restarts.

  Change pid_filename from /tmp/squid.pid to none so Squid doesn't create
  a PID file that can become stale on abrupt container restarts.

  The PID file was only used by Squid internally to prevent multiple
  instances. Since Docker ensures only one container runs, it's redundant.
  The container healthcheck uses ps aux | grep squid, not the PID file.

  Fixes #2440

Signed-off-by: carlos <21148423+carlos-gn@users.noreply.github.com>
Co-authored-by: Eleftheria Stein-Kousathana <eleftheria@stacklok.com>

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