Compose-up script: add bash '-e' flag

The '-e' flag will allow for the script to halt
if the first command fails, rather than continue
to what is an otherwise doomed 'compose-up' command.

.docker/compose-up.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
 
+set -e
+
 ./gradlew shadowJar
 docker compose -f .docker/docker-compose.yml --ansi never -p triplea up