s#__SHELL_INT_IP__#${SHELL_INT_IP}#g;
s#__WORKBENCH1_INT_IP__#${WORKBENCH1_INT_IP}#g;
s#__WORKBENCH2_INT_IP__#${WORKBENCH2_INT_IP}#g;
- s#__DATABASE_INT_IP__#${DATABASE_INT_IP}#g;
+ s#__DATABASE_INT_IP__#${DATABASE_INT_IP:-}#g;
+ s#__DATABASE_EXTERNAL_SERVICE_HOST_OR_IP__#${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}#g;
s#__WORKBENCH_SECRET_KEY__#${WORKBENCH_SECRET_KEY}#g;
s#__SSL_KEY_ENCRYPTED__#${SSL_KEY_ENCRYPTED}#g;
s#__SSL_KEY_AWS_REGION__#${SSL_KEY_AWS_REGION:-}#g;