#!/usr/bin/env bash

# Configure shell.
set -e +x

# Replace DNS servers with primary nameserver at runtime.
CURRENT_NAMESERVER=$( cat /etc/resolv.conf | grep -m 1 '^nameserver' | cut -f 2 -d ' ' )
sed -i "s|DNS_PLACEHOLDER|${CURRENT_NAMESERVER}|g" /etc/nginx/nginx.conf

# Run nginx standard entrypoint.
cat /etc/nginx/nginx.conf
exec /docker-entrypoint.sh "$@"