in lib/blog-redshift-vpc-stack.ts [93:101]
subnetId: getSubnetIds(),
availabilityZone: 'us-east-1a'
})
//redshift jdbc url
const redshift_jdbc_url = 'jdbc:redshift://'+redshift_cluster.clusterEndpoint.socketAddress+'/db-covid-hiring'
//create Glue Connection to Redshift after Redshift cluster is available
const red_connect = new glue.Connection(this, 'red-connect', {