diff --git a/server/src/app.ts b/server/src/app.ts
index fea81ba07..58684532c 100644
--- a/server/src/app.ts
+++ b/server/src/app.ts
@@ -74,8 +74,22 @@ export const createApp = ({
 			},
 		})
 	);
-	// Swagger UI
-	app.use("/api-docs", swaggerUi.serve, swaggerUi.setup(openApiSpec));
+	// Swagger UI — dynamically set server URL from request
+	app.use("/api-docs", swaggerUi.serve, (req: express.Request, res: express.Response, next: express.NextFunction) => {
+		const protocol = req.protocol;
+		const host = req.get("host");
+		const dynamicSpec = {
+			...openApiSpec,
+			servers: [
+				{
+					url: `${protocol}://${host}/api/v1`,
+					description: "Current Server",
+				},
+				...openApiSpec.servers,
+			],
+		};
+		swaggerUi.setup(dynamicSpec)(req, res, next);
+	});
 
 	app.use("/api/v1/health", (req, res) => {
 		res.json({
diff --git a/server/src/db/migration/0004_fixInfrastructureThresholds.ts b/server/src/db/migration/0004_fixInfrastructureThresholds.ts
new file mode 100644
index 000000000..6d369f311
--- /dev/null
+++ b/server/src/db/migration/0004_fixInfrastructureThresholds.ts
@@ -0,0 +1,60 @@
+import { MonitorModel } from "../models/Monitor.js";
+import { logger } from "@/utils/logger.js";
+
+/**
+ * Fix infrastructure monitors that had thresholds incorrectly set to 0 or 5
+ * due to the old default value. Updates them to 100 (disabled).
+ */
+export async function fixInfrastructureThresholds(): Promise<void> {
+	const SERVICE_NAME = "Migration:FixInfrastructureThresholds";
+
+	try {
+		logger.info({ service: SERVICE_NAME, message: "Starting infrastructure threshold fix" });
+
+		const thresholdFields = ["cpuAlertThreshold", "memoryAlertThreshold", "diskAlertThreshold", "tempAlertThreshold"];
+
+		// Find hardware monitors with any threshold set to 0 or 5
+		const filter = {
+			type: "hardware",
+			$or: thresholdFields.flatMap((field) => [{ [field]: 0 }, { [field]: 5 }]),
+		};
+
+		const monitors = await MonitorModel.find(filter);
+
+		if (monitors.length === 0) {
+			logger.info({ service: SERVICE_NAME, message: "No monitors with threshold value of 0 or 5 found" });
+			return;
+		}
+
+		logger.info({
+			service: SERVICE_NAME,
+			message: `Found ${monitors.length} monitors with threshold value of 0 or 5`,
+		});
+
+		let updatedCount = 0;
+
+		for (const monitor of monitors) {
+			const update: Record<string, number> = {};
+
+			for (const field of thresholdFields) {
+				if ((monitor as any)[field] === 0 || (monitor as any)[field] === 5) {
+					update[field] = 100;
+				}
+			}
+
+			if (Object.keys(update).length > 0) {
+				await MonitorModel.updateOne({ _id: monitor._id }, { $set: update });
+				updatedCount++;
+			}
+		}
+
+		logger.info({
+			service: SERVICE_NAME,
+			message: `Fixed ${updatedCount} monitors — thresholds updated from 0/5 to 100`,
+		});
+	} catch (error) {
+		const errorMessage = error instanceof Error ? error.message : String(error);
+		logger.error({ service: SERVICE_NAME, message: `Error fixing thresholds: ${errorMessage}` });
+		throw error;
+	}
+}
diff --git a/server/src/db/migration/index.ts b/server/src/db/migration/index.ts
index 8ea374514..3b7b45ada 100644
--- a/server/src/db/migration/index.ts
+++ b/server/src/db/migration/index.ts
@@ -1,6 +1,7 @@
 import { migrateStatusWindowThreshold } from "./0001_migrateStatusWindowThreshold.js";
 import { convertChecksToTimeSeries } from "./0002_convertChecksToTimeSeries.js";
 import { cleanupDuplicateMonitorStats } from "./0003_cleanupDuplicateMonitorStats.js";
+import { fixInfrastructureThresholds } from "./0004_fixInfrastructureThresholds.js";
 import MigrationModel from "../models/Migration.js";
 
 type MigrationEntry = {
@@ -12,6 +13,7 @@ const migrations: MigrationEntry[] = [
 	{ name: "0001_migrateStatusWindowThreshold", execute: migrateStatusWindowThreshold },
 	{ name: "0002_convertChecksToTimeSeries", execute: convertChecksToTimeSeries },
 	{ name: "0003_cleanupDuplicateMonitorStats", execute: cleanupDuplicateMonitorStats },
+	{ name: "0004_fixInfrastructureThresholds", execute: fixInfrastructureThresholds },
 ];
 
 const runMigrations = async (logger?: { info: Function; error: Function }) => {