diff --git a/01-proxmox-infra/index.ts b/01-proxmox-infra/index.ts
index 473e04d..9a63deb 100644
--- a/01-proxmox-infra/index.ts
+++ b/01-proxmox-infra/index.ts
@@ -47,6 +47,12 @@ const pveEsprimoProvider = new proxmox.Provider("pve-esprimo", {
   insecure: true,
 });
 
+const pveNodes = {
+  "pve-b550": { nodeName: "pve", isoStore: "pve-local-ext1", dataStore: "local-lvm" },
+  "pve-optiplex": { nodeName: "pve-bckp", isoStore: "local", dataStore: "local" },
+  "pve-esprimo": { nodeName: "pve", isoStore: "local", dataStore: "local-lvm" },
+} as const;
+
 // ---------------------------------------------------------------------------
 // Providers — PfSense
 // ---------------------------------------------------------------------------
@@ -77,8 +83,8 @@ const ubuntuNobleUrl =
 const ubuntuImagePve = new proxmox.download.File(
   "ubuntu-noble-pve",
   {
-    nodeName: "pve",
-    datastoreId: "pve-local-ext1",
+    nodeName: pveNodes["pve-b550"].nodeName,
+    datastoreId: pveNodes["pve-b550"].isoStore,
     contentType: "import",
     fileName: "noble-server-cloudimg-amd64.qcow2",
     url: ubuntuNobleUrl,
@@ -91,8 +97,8 @@ const ubuntuImagePve = new proxmox.download.File(
 const ubuntuImagePveBckp = new proxmox.download.File(
   "ubuntu-noble-pve-bckp",
   {
-    nodeName: "pve-bckp",
-    datastoreId: "local",
+    nodeName: pveNodes["pve-optiplex"].nodeName,
+    datastoreId: pveNodes["pve-optiplex"].isoStore,
     contentType: "import",
     fileName: "noble-server-cloudimg-amd64.qcow2",
     url: ubuntuNobleUrl,
@@ -105,8 +111,8 @@ const ubuntuImagePveBckp = new proxmox.download.File(
 const ubuntuImagePveEsprimo = new proxmox.download.File(
   "ubuntu-noble-pve-esprimo",
   {
-    nodeName: "pve",
-    datastoreId: "local",
+    nodeName: pveNodes["pve-esprimo"].nodeName,
+    datastoreId: pveNodes["pve-esprimo"].isoStore,
     contentType: "import",
     fileName: "noble-server-cloudimg-amd64.qcow2",
     url: ubuntuNobleUrl,
@@ -152,7 +158,7 @@ const pveTemplate = new proxmox.VmLegacy(
     disks: [
       {
         interface: "scsi0",
-        datastoreId: "local-lvm",
+        datastoreId: pveNodes["pve-b550"].dataStore,
         importFrom: pulumi.interpolate`${ubuntuImagePve.datastoreId}:import/${ubuntuImagePve.fileName}`,
         size: 10,
         ssd: true,
@@ -172,7 +178,7 @@ const pveBckpTemplate = new proxmox.VmLegacy(
     disks: [
       {
         interface: "scsi0",
-        datastoreId: "local",
+        datastoreId: pveNodes["pve-optiplex"].dataStore,
         importFrom: pulumi.interpolate`${ubuntuImagePveBckp.datastoreId}:import/${ubuntuImagePveBckp.fileName}`,
         size: 10,
         ssd: true,
@@ -192,7 +198,7 @@ const pveEsprimoTemplate = new proxmox.VmLegacy(
     disks: [
       {
         interface: "scsi0",
-        datastoreId: "local",
+        datastoreId: pveNodes["pve-esprimo"].dataStore,
         importFrom: pulumi.interpolate`${ubuntuImagePveEsprimo.datastoreId}:import/${ubuntuImagePveEsprimo.fileName}`,
         size: 10,
         ssd: true,
@@ -225,57 +231,57 @@ const nodeConfigs: NodeConfig[] = [
   {
     name: "k3s-master-1",
     role: "master",
-    nodeName: "pve",
+    nodeName: pveNodes["pve-b550"].nodeName,
     provider: pveProvider,
     template: pveTemplate,
-    diskDatastore: "local-lvm",
+    diskDatastore: pveNodes["pve-b550"].dataStore,
     ip: master1Ip,
   },
   {
     name: "k3s-master-2",
     role: "master",
-    nodeName: "pve",
+    nodeName: pveNodes["pve-esprimo"].nodeName,
     provider: pveEsprimoProvider,
     template: pveTemplate,
-    diskDatastore: "local-lvm",
+    diskDatastore: pveNodes["pve-esprimo"].dataStore,
     ip: master2Ip,
   },
   {
     name: "k3s-worker-1",
     role: "worker",
-    nodeName: "pve",
+    nodeName: pveNodes["pve-b550"].nodeName,
     provider: pveProvider,
     template: pveTemplate,
-    diskDatastore: "local-lvm",
+    diskDatastore: pveNodes["pve-b550"].dataStore,
     ip: worker1Ip,
     longhornDiskSize: 50,
   },
   {
     name: "k3s-master-3",
     role: "master",
-    nodeName: "pve-bckp",
+    nodeName: pveNodes["pve-optiplex"].nodeName,
     provider: pveBckpProvider,
     template: pveBckpTemplate,
-    diskDatastore: "local",
+    diskDatastore: pveNodes["pve-optiplex"].dataStore,
     ip: master3Ip,
   },
   {
     name: "k3s-worker-2",
     role: "worker",
-    nodeName: "pve-bckp",
+    nodeName: pveNodes["pve-optiplex"].nodeName,
     provider: pveBckpProvider,
     template: pveBckpTemplate,
-    diskDatastore: "local",
+    diskDatastore: pveNodes["pve-optiplex"].dataStore,
     ip: worker2Ip,
     longhornDiskSize: 50,
   },
   {
     name: "k3s-worker-3",
     role: "worker",
-    nodeName: "pve",
+    nodeName: pveNodes["pve-esprimo"].nodeName,
     provider: pveEsprimoProvider,
     template: pveEsprimoTemplate,
-    diskDatastore: "local",
+    diskDatastore: pveNodes["pve-esprimo"].dataStore,
     ip: worker3Ip,
     longhornDiskSize: 50,
   },