Improve local development (#3661)

scripts/start-deployCanyon

@@ -3,7 +3,7 @@ set -euo pipefail
 IFS=$'\n\t'
 
 # shellcheck source=start-utils
-. "${SCRIPTS:-/}start-utils"
+. "$(dirname "$0")/start-utils"
 isDebugging && set -x
 
 : "${CANYON_BUILD:=lastSuccessfulBuild}"
@@ -58,4 +58,4 @@ fi
 # Normalize on Spigot for later operations
 export FAMILY=SPIGOT
 
-exec ${SCRIPTS:-/}start-spiget "$@"
+exec "$(dirname "$0")/start-spiget" "$@"