feat: add memcached nomad job (#99)

Co-authored-by: Mirio <[email protected]>

memcached.nomad

@@ -0,0 +1,65 @@
+variable "memcached_version" {
+  type    = string
+  default = "1.6.23-alpine"
+}
+
+job "memcached" {
+  datacenters = ["dc1"]
+  type        = "service"
+  name        = "memcached"
+  priority    = 100
+
+  update {
+    max_parallel      = 1
+    health_check      = "checks"
+    min_healthy_time  = "5s"
+    healthy_deadline  = "300s"
+    progress_deadline = "10m"
+    auto_revert       = true
+    auto_promote      = true
+    canary            = 1
+  }
+
+  migrate {
+    max_parallel     = 2
+    health_check     = "checks"
+    min_healthy_time = "10s"
+    healthy_deadline = "5m"
+  }
+
+  group "server" {
+    count = 1
+
+    network {
+      port "memcached" {
+        to = 11211
+      }
+    }
+    service {
+      name      = "memcached-server"
+      port      = "memcached"
+      on_update = "require_healthy"
+
+      check {
+        name     = "memcached_ready"
+        type     = "tcp"
+        port     = "memcached"
+        interval = "10s"
+        timeout  = "3s"
+      }
+    }
+
+    task "server" {
+      driver = "docker"
+      config {
+        image = "docker.io/memcached:${var.memcached_version}"
+        ports = ["memcached"]
+      }
+
+      resources {
+        cpu    = 1000
+        memory = 200
+      }
+    }
+  }
+}