add audiobook-search service to servarr stack

- New audiobook-search deployment + service + ingress (Authentik-protected)
- qBittorrent: add NFS mount for /audiobooks (shared with Audiobookshelf)
- Cloudflare DNS: add audiobook-search.viktorbarzin.me
- Env vars: QBITTORRENT_URL/PASS, AUDIOBOOKSHELF_URL/TOKEN from ESO

stacks/servarr/audiobook-search/main.tf

@@ -0,0 +1,120 @@
+variable "tls_secret_name" {}
+variable "tier" { type = string }
+variable "audiobookshelf_token" {
+  type      = string
+  sensitive = true
+}
+variable "qbittorrent_password" {
+  type      = string
+  sensitive = true
+}
+
+resource "kubernetes_deployment" "audiobook_search" {
+  metadata {
+    name      = "audiobook-search"
+    namespace = "servarr"
+    labels = {
+      app  = "audiobook-search"
+      tier = var.tier
+    }
+  }
+  spec {
+    replicas = 1
+    selector {
+      match_labels = {
+        app = "audiobook-search"
+      }
+    }
+    template {
+      metadata {
+        labels = {
+          app = "audiobook-search"
+        }
+      }
+      spec {
+        container {
+          image             = "viktorbarzin/audiobook-search:latest"
+          image_pull_policy = "Always"
+          name  = "audiobook-search"
+
+          port {
+            container_port = 8000
+          }
+          env {
+            name  = "QBITTORRENT_URL"
+            value = "http://qbittorrent.servarr.svc.cluster.local"
+          }
+          env {
+            name  = "QBITTORRENT_PASS"
+            value = var.qbittorrent_password
+          }
+          env {
+            name  = "AUDIOBOOKSHELF_URL"
+            value = "http://audiobookshelf.audiobookshelf.svc.cluster.local"
+          }
+          env {
+            name  = "AUDIOBOOKSHELF_TOKEN"
+            value = var.audiobookshelf_token
+          }
+          resources {
+            requests = {
+              cpu    = "10m"
+              memory = "64Mi"
+            }
+            limits = {
+              memory = "128Mi"
+            }
+          }
+          liveness_probe {
+            http_get {
+              path = "/health"
+              port = 8000
+            }
+            initial_delay_seconds = 10
+            period_seconds        = 30
+          }
+        }
+      }
+    }
+  }
+  lifecycle {
+    ignore_changes = [spec[0].template[0].spec[0].dns_config]
+  }
+}
+
+resource "kubernetes_service" "audiobook_search" {
+  metadata {
+    name      = "audiobook-search"
+    namespace = "servarr"
+    labels = {
+      app = "audiobook-search"
+    }
+  }
+
+  spec {
+    selector = {
+      app = "audiobook-search"
+    }
+    port {
+      name        = "http"
+      port        = 80
+      target_port = 8000
+    }
+  }
+}
+
+module "ingress" {
+  source          = "../../../modules/kubernetes/ingress_factory"
+  namespace       = "servarr"
+  name            = "audiobook-search"
+  tls_secret_name = var.tls_secret_name
+  protected       = true
+  extra_annotations = {
+    "gethomepage.dev/enabled"      = "true"
+    "gethomepage.dev/name"         = "Audiobook Search"
+    "gethomepage.dev/description"  = "Search & download audiobooks"
+    "gethomepage.dev/icon"         = "audiobookshelf.png"
+    "gethomepage.dev/group"        = "Media & Entertainment"
+    "gethomepage.dev/pod-selector" = ""
+  }
+}