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implement readiness marker for nginx health check #156

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Merged
hsntgm merged 1 commit into from
Jun 19, 2026
Merged

implement readiness marker for nginx health check #156

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14 changes: 9 additions & 5 deletions wordpress/wp-post.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,10 @@ for var in \
fi
done

# Drop any stale readiness marker from a previous boot before redoing the work,
# so 'nginx' can never see a leftover "ready" file from a prior container life.
rm -f "${NPP_WEB_ROOT}/.npp-ready"

# Wait for 'wordpress-fpm' container with 'fpm' up
# We need to sure '/var/www/html' exists for 'wp-cli'
wait_for_service "wordpress" 9001
Expand Down Expand Up @@ -494,8 +498,8 @@ else
fi
unset _bootstrap_done

# Listen on dummy port for 'nginx' container health check
echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-WP:${COLOR_RESET} Starting to listen on dummy port ${COLOR_CYAN}9999${COLOR_RESET}..."
if ! nc -zv 127.0.0.1 9999 2>/dev/null; then
nohup nc -l -p 9999 >/dev/null 2>&1 &
fi
# Signal readiness to 'nginx' via a marker file on the shared web root
# (replaces the old one-shot 'nc -l -p 9999' dummy port, which only ever
# tolerated a single readiness probe and went silent on any later check).
touch "${NPP_WEB_ROOT}/.npp-ready"
echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-WP:${COLOR_RESET} Readiness marker ${COLOR_LIGHT_CYAN}${NPP_WEB_ROOT}/.npp-ready${COLOR_RESET} created. ${COLOR_CYAN}NPP Dockerized${COLOR_RESET} post-start complete."
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