Path & Host Routing
Source: doonops-curriculum/aws-routing--path-host-routing.md
Doonops lesson
Goal
Send /api to API servers and / to web servers — same ALB.
Simple explanation
Receptionist reads URL path: /api → backend team, / → frontend team.
Technical view
Receptionist reads URL path: /api → backend team, / → frontend team.
Think of it like
Receptionist reads URL path: /api → backend team, / → frontend team.
Steps
- Read simple section
- Read analogy + diagram
- Copy project files
- Do local lab
Deep explanation
Layman words first, then technical detail — read slowly
Listener rules have priority — lower number wins first. Conflicts = exam trap.
Example (Doonops)
Modern HCL — names are examples, not from any third-party course
# see project files
Terraform runs on your computer — copy this HCL into a folder, then follow the local lab steps below.
Quick check
- Explain topic to a friend in 2 sentences
- Did local lab steps
Project files for this lab
Full implementation folder — copy all files, then run terraform commands
Lab project files (full folder)
Copy every file below into one folder — same as a real repo module. Then run the local lab steps.
Suggested folder: Suggested path: ~/doonops-terraform/14-alb-routing/
versions.tfSee file purpose in the code belowterraform {
required_version = ">= 1.9.0"
}