#!/bin/sh apt update apt install netcat --assume-yes COUNTER=30 while [ $COUNTER -gt 0 ]; do nc -z ${DB_HOST} 3306 if [ $? -eq 0 ]; then let COUNTER=0 else let COUNTER=COUNTER-1 sleep 10 fi done echo "VM_ARGS="${VM_ARGS} java -Djava.security.egd=file:/dev/./urandom ${VM_ARGS} -Xms256m -Xmx1024m -jar ./app.jar --spring.config.location=/share/etc/config/liquibase.properties