fix : maintain single optimus host variable across environment (#23)

Co-authored-by: Siddhanta Rath <[email protected]>

Author: siddhanta-rath

entrypoint.sh

@@ -11,7 +11,7 @@ echo "-- initializing optimus assets"
 OPTIMUS_ADMIN_ENABLED=1 /opt/optimus admin build instance "$JOB_NAME" --project \
 "$PROJECT" --output-dir "$JOB_DIR" \
 --type "$INSTANCE_TYPE" --name "$INSTANCE_NAME" \
---scheduled-at "$SCHEDULED_AT" --host "$OPTIMUS_HOSTNAME"
+--scheduled-at "$SCHEDULED_AT" --host "$OPTIMUS_HOST"
 
 # TODO: this doesnt support using back quote sign in env vars, fix it
 echo "-- exporting env"