demo/digitalocean: add a default client/server dual config

demo/digitalocean/packer/default.hcl

@@ -0,0 +1,14 @@
+data_dir = "/tmp/nomad"
+log_level = "DEBUG"
+enable_debug = true
+bind_addr = "0.0.0.0"
+disable_update_check = true
+server {
+    enabled = true
+    bootstrap_expect = 1
+}
+client {
+    enabled = true
+    servers = ["127.0.0.1:4647"]
+    node_class = "linux-64bit"
+}

demo/digitalocean/packer/nomad.packer.json

@@ -32,6 +32,11 @@
       "type": "file",
       "source": "upstart.nomad",
       "destination": "/etc/init/nomad"
+    },
+    {
+      "type": "file",
+      "source": "default.hcl",
+      "destination": "/usr/local/etc/nomad.hcl"
     }
   ]
 }