#!/bin/sh set -eu ROOT="/usr/share/nginx/html" QS="" # build query string from WSQS_ env vars for var in $(env); do case "$var" in WSQS_*=*) key="${var%%=*}" val="${var#*=}" key="${key#WSQS_}" key="${key//_/-}" if [ -n "$QS" ]; then QS="$QS&${key}=${val}" else QS="${key}=${val}" fi ;; esac done if [ -n "$QS" ]; then cat > "$ROOT/redirect.html" < Redirecting EOF fi exec nginx -g 'daemon off;'