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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/main/java] --> F[src/main/java/com]
+    F --> G[src/main/java/com/nirzara]
+    G --> H[src/main/java/com/nirzara/paymenttracker]
+    H --> I[PaymentTrackerApplication.java]
+    H --> J[PaymentController.java]
+    H --> K[Payment.java]
+    H --> L[PaymentService.java]
+    M[src/main/resources] --> N[application.properties]
+    O[src/test/java] --> P[src/test/java/com]
+    P --> Q[src/test/java/com/nirzara]
+    Q --> R[src/test/java/com/nirzara/paymenttracker]
+    R --> S[PaymentTrackerApplicationTests.java]
+    T[.gitattributes] --> U[.gitignore]
+    V[mvnw] --> W[mvnw.cmd]
+    X[mvn] --> Y[mvn/wrapper]
+    Y --> Z[maven-wrapper.properties]
+```
+
+> Generated by AppGenius Sentinel
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