Bash Script utility to check if the services are up and running.

check-servers-ready.sh

#!/bin/bash

SERVICES_LIST=(http://localhost:3001/healthcheck http://localhost:3000/healthcheck)

isServiceReady(){
    ping=$(curl -s -f -LI $1)
    if [ -z "$ping" ]; then
        false;
    else
        true;
    fi
    return $?;
}

for serviceUrl in "${SERVICES_LIST[@]}"; do
    echo "Waiting for service $serviceUrl...";
    while ! isServiceReady $serviceUrl ; do
        sleep 1
    done
    echo "$serviceUrl is up";
done
exit 0