tasks/ directory

handlers/ directory

defaults/ directory

vars/ directory

meta/ directory

tasks/main.yml present

handlers/main.yml present

defaults/main.yml present

meta/main.yml present

README.md present

Validation documented

Role name consistency

Configurable port variable

Handler for restart

notify used on config task

defaults/ for user variables

vars/ for internal constants

DESIGN_NOTES explains scoping

Idempotent install task

max_connections configurable

shared_buffers configurable

Example playbook present

Standard directory structure

Standard role structure

Dedicated system user task

Binary download task

Systemd service task

Handler for service restart

Port as variable

DEPLOYMENT_GUIDE step-by-step

VALIDATION.md present

Monitoring domain relevance

meta/main.yml present