#!/usr/bin/env bash set -o errexit # always exit on error set -o errtrace # trap errors in functions as well set -o pipefail # don't ignore exit codes when piping output set -o posix # more strict failures in subshells IFS=$'\n\t' declare -a missing for var in "$@"; do if [[ -z "${!var}" ]]; then echo "⚠️ ERROR: Missing required environment variable: ${var}" 1>&2 missing+=("${var}") fi done if [[ -n "${missing[*]}" ]]; then exit 1 fi