https://dev.folio.org/guides/jenkinsfile/#back-end-modules

healthChkCmd = 'wget --no-verbose --tries=1 --spider http://localhost:8081/admin/health || exit 1'

healthChkCmd - Use the specified command to perform container health check. The command is run inside the container and typically tests a REST endpoint to determine the health of the application running inside the container. Prefer wget over curl as Alpine by default ships without curl but with BusyBox, a multi-call binary that contains wget with reduced number of options.