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+# System Architecture
+
+```mermaid
+graph TD
+    A[README.md] --> B[SECURITY_REPORT.md]
+    A --> C[Dockerfile]
+    A --> D[pom.xml]
+    E[src] --> F[src/main]
+    F --> G[src/main/java]
+    G --> H[src/main/java/com]
+    H --> I[src/main/java/com/nirzara]
+    I --> J[src/main/java/com/nirzara/paymenttracker]
+    J --> K[PaymentTrackerApplication.java]
+    L[src/main/java/com/nirzara/paymenttracker] --> M[controller]
+    M --> N[PaymentController.java]
+    O[src/main/java/com/nirzara/paymenttracker] --> P[model]
+    P --> Q[Payment.java]
+    R[src/main/java/com/nirzara/paymenttracker] --> S[service]
+    S --> T[PaymentService.java]
+    U[src/main/resources] --> V[application.properties]
+    W[src/test] --> X[src/test/java]
+    X --> Y[src/test/java/com]
+    Y --> Z[src/test/java/com/nirzara]
+```
+
+> Generated by AppGenius Sentinel
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