adding files 2

inventory-service/src/main/java/com/oracle/demo/inventory/InventoryServiceApplication.java

@@ -0,0 +1,13 @@
+package com.oracle.demo.inventory;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class InventoryServiceApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(InventoryServiceApplication.class, args);
+    }
+}
+

inventory-service/src/main/java/com/oracle/demo/inventory/api/InventoryController.java

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+package com.oracle.demo.inventory.api;
+
+import com.oracle.demo.inventory.model.InventoryResponse;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/inventory")
+public class InventoryController {
+
+    private final Map<String, Integer> stock = new HashMap<>();
+    private final boolean forceOutage;
+
+    public InventoryController(@Value("${demo.inventory.force-outage:false}") boolean forceOutage) {
+        this.forceOutage = forceOutage;
+        stock.put("LAPTOP-15", 25);
+        stock.put("MOUSE-WL", 100);
+        stock.put("MONITOR-27", 12);
+    }
+
+    @GetMapping("/{sku}")
+    public InventoryResponse getInventory(@PathVariable String sku, @RequestParam(defaultValue = "1") int quantity) {
+        if (forceOutage) {
+            return new InventoryResponse(sku, false, 0, "Inventory service is intentionally degraded for the demo.");
+        }
+
+        int available = stock.getOrDefault(sku, 0);
+        boolean reserved = available >= quantity;
+        String message = reserved ? "Stock reserved." : "Insufficient stock.";
+        return new InventoryResponse(sku, reserved, available, message);
+    }
+}
+

inventory-service/src/main/java/com/oracle/demo/inventory/model/InventoryResponse.java

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+package com.oracle.demo.inventory.model;
+
+public record InventoryResponse(String sku, boolean reserved, int availableUnits, String message) {
+}
+

inventory-service/src/main/resources/application.yml

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+spring:
+  application:
+    name: inventory-service
+
+server:
+  port: 8081
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics,prometheus
+  endpoint:
+    health:
+      probes:
+        enabled: true
+
+demo:
+  inventory:
+    force-outage: false
+