Merge pull request #838 from influxdata/pjb/allow-unsetting-env-vars

feat(entrypoint): allow unsetting env vars

Author: philjb

influxdb/3.6-enterprise/entrypoint.sh

@@ -1,6 +1,15 @@
 #!/bin/bash
 set -euo pipefail
 
+# Unset environment variables; splitting on whitespace
+# Usage: INFLUXDB3_UNSET_VARS="HOST FOO BAR"
+if [[ -n "${INFLUXDB3_UNSET_VARS:-}" ]]; then
+ read -ra vars <<< "${INFLUXDB3_UNSET_VARS}"
+ for var in "${vars[@]}"; do
+ unset "$var" || { echo "Error: Failed to unset variable '$var' (may be readonly)"; exit 1; }
+ done
+fi
+
 args=("${@}")
 
 if [[ "${args[0]:-}" == serve ]] ; then