personal/radex/demo-next: add volume mount demo

Change-Id: I992d089c8d345e87667bf4040086a28b2096cc35
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1574
diff --git a/personal/radex/demo-next/prod.jsonnet b/personal/radex/demo-next/prod.jsonnet
index 5f89762..dce74b9 100644
--- a/personal/radex/demo-next/prod.jsonnet
+++ b/personal/radex/demo-next/prod.jsonnet
@@ -6,7 +6,7 @@
 
     cfg:: {
         name: "demo-next",
-        image: "registry.k0.hswaw.net/radex/next-bruh:v1",
+        image: "registry.k0.hswaw.net/radex/next-bruh:v2",
         domain: "demo-next.hs.radex.io",
     },
 
@@ -14,9 +14,12 @@
 
     deployment: top.ns.Contain(kube.Deployment(cfg.name)) {
         spec+: {
-            replicas: 3,
+            replicas: 1,
             template+: {
                 spec+: {
+                    volumes_: {
+                        data: kube.PersistentVolumeClaimVolume(top.data),
+                    },
                     containers_: {
                         default: kube.Container("default") {
                             image: cfg.image,
@@ -24,9 +27,15 @@
                                 requests: { cpu: "0.01", memory: "64M" },
                                 limits: { cpu: "1", memory: "256M" },
                             },
+                            env_: {
+                                DATA_PATH: "/data",
+                            },
                             ports_: {
                                 http: { containerPort: 3000 },
                             },
+                            volumeMounts_: {
+                                data: { mountPath: '/data' },
+                            }
                         },
                     },
                 },
@@ -34,6 +43,17 @@
         },
     },
 
+    data: top.ns.Contain(kube.PersistentVolumeClaim("data")) {
+        spec+: {
+            storageClassName: "waw-hdd-redundant-3",
+            accessModes: [ "ReadWriteOnce" ],
+            resources: {
+                requests: {
+                    storage: "1Gi",
+                },
+            },
+        },
+    },
     service: top.ns.Contain(kube.Service(cfg.name)) {
         target_pod:: top.deployment.spec.template,
     },