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PHP Architecture for Healthcare Systems

Patient data, clinical workflows and billing belong in separate domains. Jardis gives your healthcare system the architecture that enforces PHI isolation and makes regulatory audits passable.

The More Sensitive the Data, the More Costly Every Architecture Mistake.

Healthcare systems process protected health information. Without clear domain boundaries, every feature becomes a compliance risk.

Patient data without real isolation

PHI, clinical records and billing data live in the same modules. One access error in scheduling exposes patient records. HIPAA violations cost more than money. They cost trust. When ICD codes and diagnoses sit in the same service as appointment booking, every scheduling change has access to clinical data.

Audit trails bolted on after the fact

Regulators demand traceable data flows. When audit trails are added as an afterthought to a monolith, access paths, context boundaries and event histories are missing. Who accessed which patient record and when? Without architectural isolation, that question cannot be answered reliably.

HL7 and FHIR integration as spaghetti

External systems like EHR, lab and pharmacy speak HL7 or FHIR. Without clean ports and adapters, integration logic scatters across the entire codebase. FHIR resources like Patient, Encounter and Observation get mixed directly into business logic. Every interface change triggers a domino effect.

PHI isolation as code, not as a policy.

The Jardis Builder generates physical domain boundaries for every healthcare domain. PHI isolation is enforced, not recommended.

PHI ISOLATION

Patient data as its own Bounded Context

Patient Management becomes a standalone PHP package with its own repository pipeline. Scheduling, billing and clinical documentation cannot access patient records. The builder enforces this separation at the filesystem level. No accidental PHI access from other domains. Diagnoses, lab results and medication data stay isolated in the clinical context, separated from administrative operations.

AUDIT-READY

Event-based traceability from day one

PatientAdmitted, DiagnosisRecorded, PrescriptionIssued: the builder generates domain events with automatic publishing. Every state change is traceable. Audit trails emerge from the architecture, not as a retrofit workaround. Medication orders, result releases and discharges are documented as events before an auditor asks.

INTEROPERABILITY

Clean ports for HL7, FHIR and EHR systems

Hexagonal architecture separates domain logic from the integration layer. EHR connections, lab interfaces and FHIR endpoints are implemented through adapters that the builder defines as contracts. FHIR resources like Patient, Encounter or Observation are mapped to domain entities in the adapter layer. When switching EHR systems, you swap the adapter. Clinical logic stays unchanged.

See what three files turn into.

Three definition files in, a complete bounded context out. Browse the generated code.

E-Commerce / Sales
schema.yaml
# Database Schema — Sales Bounded Context
# This file defines the persistent storage structure.

schema:
  domain: ECommerce
  boundedContext: Sales

tables:
  order:
    columns:
      id:
        type: integer
        primary: true
        autoIncrement: true
      public_id:
        type: uuid7
        unique: true
      customer_email:
        type: string
        length: 255
      status:
        type: string
        length: 32
        default: "draft"
      total_amount:
        type: integer
      currency:
        type: string
        length: 3
        default: "EUR"
      created_at:
        type: datetime
      updated_at:
        type: datetime
        nullable: true

  order_item:
    columns:
      id:
        type: integer
        primary: true
        autoIncrement: true
      order_id:
        type: integer
        foreignKey:
          table: order
          column: id
          onDelete: cascade
      product_name:
        type: string
        length: 255
      sku:
        type: string
        length: 64
      quantity:
        type: integer
      unit_price:
        type: integer
      line_total:
        type: integer
Files
Definitions (Input)
Generated Code (Output)
BUILDER OUTPUT
80%
Infrastructure code generatedEntities, commands, queries, events, API contracts and the repository pipeline for every healthcare domain.
0
uncontrolled PHI access paths
3x
faster audit preparation
COMPLIANCE
100%
Architecture-compliantEvery generated file follows hexagonal architecture. PHI isolation is structurally enforced, not optional.

Why Healthcare Teams Build on Jardis.

From practice software to clinic platform. Jardis grows with your system.

> Data Isolation

Every Domain Gets Its Own Data Layer

Patient, Scheduling, Billing, Clinical: standalone Bounded Contexts with their own repository pipeline. PHI stays isolated by architecture, not by ACLs someone misconfigures.

> Interoperability

External Systems Through Adapters, Not Hacks

EHR, lab, pharmacy, insurance: each external system connects through a type-safe adapter. The builder generates the contracts. When switching systems, domain logic stays unchanged.

> Audit-Readiness

Traceable Data Flows from Day One

Domain events document every state change. Which service accessed what data and when? The answer lives in the architecture, not in logs written after the fact.

How long should your PHI isolation rely on conventions?

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Frequently Asked Questions

Answers to the most important questions about Jardis in the healthcare context.

Yes. You generate individual Bounded Contexts and integrate them step by step into your existing PHP system. The builder produces code with hexagonal architecture that can coexist alongside HIS, EHR or practice management code without disrupting operations. A typical starting point: clinical documentation as its own context, communicating with the existing HIS through domain events.