#!/bin/bash MYSQL_HOST=${MYSQL_HOST:-"localhost"} MYSQL_PORT=${MYSQL_PORT:-3306} echo -n "Waiting for MySQL..." while ! mysqladmin ping -h"${MYSQL_HOST}" -P"${MYSQL_PORT}" --silent; do sleep 1 echo -n "." done sleep 1 while ! mysqladmin ping -h"${MYSQL_HOST}" -P"${MYSQL_PORT}" --silent; do sleep 1 echo -n "." done echo -e "\nConnected to MySQL!"