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implement wait_for_file #157

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

implement wait_for_file #157

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27 changes: 24 additions & 3 deletions nginx/entrypoint-nginx.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -55,15 +55,33 @@ wait_for_service() {
echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-NGINX:${COLOR_RESET} ${COLOR_CYAN}${host}:${port}${COLOR_RESET} is now available! Proceeding..."
}

# Function to wait for the WordPress post-start readiness marker file.
# Polling a file on the shared web-root volume survives 'nginx' restarting
# on its own, unlike a one-shot TCP probe that only tolerates a single check.
wait_for_file() {
local file="$1"
local retries=60
local wait_time=5

while [[ ! -f "${file}" ]]; do
if [[ "${retries}" -le 0 ]]; then
echo -e "${COLOR_RED}${COLOR_BOLD}NPP-NGINX-FATAL:${COLOR_RESET} ${COLOR_CYAN}${file}${COLOR_RESET} was not created in time. Exiting..."
exit 1
fi
echo -e "${COLOR_YELLOW}${COLOR_BOLD}NPP-NGINX:${COLOR_RESET} Waiting for ${COLOR_CYAN}${file}${COLOR_RESET} to appear..."
sleep "${wait_time}"
retries=$((retries - 1))
done

echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-NGINX:${COLOR_RESET} ${COLOR_CYAN}${file}${COLOR_RESET} found! Proceeding..."
}

# Display pre-entrypoint start message
echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-NGINX:${COLOR_RESET} ${COLOR_CYAN}${COLOR_BOLD}[Pre-Entrypoint]:${COLOR_RESET} Preparing environment before starting the ${COLOR_LIGHT_CYAN}Nginx${COLOR_RESET} service..."

# Wait for 'php-fpm' to be up
wait_for_service "wordpress" 9001

# Wait for Wordpress core Initialization to complete
wait_for_service "wordpress" 9999

# Check if required environment variables are set
for var in \
NPP_UID \
Expand All @@ -80,6 +98,9 @@ for var in \
fi
done

# Wait for Wordpress core Initialization (post-start setup) to complete
wait_for_file "${NPP_WEB_ROOT}/.npp-ready"

# Create Isolated PHP process owner user and group on Nginx container
echo -e "${COLOR_GREEN}${COLOR_BOLD}NPP-NGINX:${COLOR_RESET} Checking PHP process owner user and group with UID ${COLOR_CYAN}${NPP_UID}${COLOR_RESET} and GID ${COLOR_CYAN}${NPP_GID}${COLOR_RESET}"
if ! getent passwd "${NPP_USER}" >/dev/null 2>&1; then
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