Overview In this introduction to SPIRE you will learn how to: Start the spire-server process Attest a spire-agent to the server using a join token Configure a registration entry for a workload Fetch an x509-SVID over the WorkloadAPI Learn where to find resources for more complex installations Prerequisites A 64 bit Linux or macOS environment The openssl command line tool For macOS, Go 1.13 or higher must be installed to build SPIRE.