seed db so that Curl example works

.devcontainer/devcontainer.json

@@ -14,7 +14,7 @@
 	"forwardPorts": [3000, 5432, 8200],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "bundle install && rake vault:setup",
+	"postCreateCommand": "bundle install && rake db:setup && rake vault:setup",
 
 	// Configure tool-specific properties.
 	// "customizations": {},

app/models/domain.rb

@@ -3,6 +3,6 @@ class Domain < ApplicationRecord
   before_save :clean_groups
 
   def clean_groups
-    this.groups = groups.sort.uniq
+    self.groups = groups.sort.uniq
   end
 end

db/seeds.rb

@@ -7,3 +7,8 @@
 #   ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
 #     MovieGenre.find_or_create_by!(name: genre_name)
 #   end
+
+# this is seed is for development only
+if Rails.env.development?
+  Domain.first_or_create!(fqdn: "example.com", owner: "[email protected]")
+end