Some basics working (squashkiwi, dropshell-agent).

templates/caddy/backup.sh

@@ -1,11 +1,11 @@
 #!/bin/bash
 source "${AGENT_PATH}/_common.sh"
-check_required_env_vars
+_check_required_env_vars
 
 _stop_container "$CONTAINER_NAME"
 
 if ! autobackup volume=$DATA_VOLUME volume=$CONFIG_VOLUME $1 $2; then
-    die "Failed to create backup"
+    _die "Failed to create backup"
 fi
 
 _start_container "$CONTAINER_NAME"