pkgs:
pkgs.dockerTools.pullImage rec {
imageName = "postgres";
imageDigest = "sha256:3b5f286a417dde5945504ef9156ff9436ffccf428048d7b52c1574c6fc752bb6";
sha256 = "0w59mwbslf2zz8xfdkp1zaljnr0vjxd0bawkhxd6g08wyd8scszd";
finalImageName = imageName;
finalImageTag = "15-alpine";
}