As a (simple) alternative to graphical mapping with deployment diagrams (see tip 7-6 (deployment diagrams)), you could use tables to document or specify deployment of software on hardware.

Server Artifact  Remark
OneServer   A docker container, requiring at least Docker V 12.1 
  DomainServices  auto-deployed by Gradle build script
OtherServer   Dell(c) Server, Quad-Core i7 CPU, 64GB RAM, running RH Enterprise Linux
  Articles Unix executable, build by make, executed via cron
  FooBar Java jar, build, deployed and executed via Gradle build script
  CassandraDB Open source database, started via cron

Please find the corresponding diagram below: