The internal Truss organization is arranged around "Practices" which grow people and cultivate knowledge specifically around a domain or craft.
These are the resources associated with the practices focusing on the disciplines within Engineering at Truss.
Application Engineering (AppEng) is the practice area at Truss focused on building software applications-- including and mostly dealing with web development.
Infrastructure and Security Engineering
Infrastructure and Security Engineering (InfraSec) is the practice of building secure, robust systems that are foundational to having reliable applications and services.