Architecture

Principles

Simplicity

• Rewritable software -- lukego

Command-query separation

• https://martinfowler.com/bliki/CommandQuerySeparation.html

Modularization concept

User interface

The source code in this modules specifies the policies at the hospital. All source code located here should be readable by domain experts.

• Administration
• Registration
• Doctor's office
• Pharmacy

Clinical services

• Patient management
  • Master Patient Index (MPI)
  • Admission
  • Discharge
  • (Transfer)
  • Patient profile
• Pharmacy
• Medical records
  • medical history
  • examinations
  • treatments
• Ward management
• Order entry
  • Computerized physician order entry (CPOE)
  • Request things required for patient care, e.g. procedures, imaging, tests
• Laboratory

Administrative services

• Billing
• Staff
• Reports

Research

• https://en.wikipedia.org/wiki/Unix_philosophy#Eric_Raymond%E2%80%99s_17_Unix_Rules
• http://olivergierke.de/2013/01/whoops-where-did-my-architecture-go/

Modular monoliths

• Majestic Modular Monoliths -- Axel Fontaine
• Implementing modulithic applications with Spring -- Oliver Gierke
• GOTO 2018 • Modular Monoliths • Simon Brown

Interesting other projects

• OpenMRS
• https://www.pulsetile.com/