feat: automate demo-site deployment and configuration (#42)

* add demo env variable

* setup initialization when demo

* disable password when in demo mode

* expose demo status to API

* improve UI for demo instance

backend/app/api/v1/controller.go

@@ -13,9 +13,16 @@ func WithMaxUploadSize(maxUploadSize int64) func(*V1Controller) {
 	}
 }
 
+func WithDemoStatus(demoStatus bool) func(*V1Controller) {
+	return func(ctrl *V1Controller) {
+		ctrl.isDemo = demoStatus
+	}
+}
+
 type V1Controller struct {
 	svc           *services.AllServices
 	maxUploadSize int64
+	isDemo        bool
 }
 
 type (
@@ -30,7 +37,8 @@ type (
 		Versions []string `json:"versions"`
 		Title    string   `json:"title"`
 		Message  string   `json:"message"`
-		Build    Build
+		Build    Build    `json:"build"`
+		Demo     bool     `json:"demo"`
 	}
 )
 
@@ -48,6 +56,10 @@ func NewControllerV1(svc *services.AllServices, options ...func(*V1Controller))
 		svc: svc,
 	}
 
+	for _, opt := range options {
+		opt(ctrl)
+	}
+
 	return ctrl
 }
 
@@ -66,6 +78,7 @@ func (ctrl *V1Controller) HandleBase(ready ReadyFunc, build Build) http.HandlerF
 			Title:   "Go API Template",
 			Message: "Welcome to the Go API Template Application!",
 			Build:   build,
+			Demo:    ctrl.isDemo,
 		})
 	}
 }

backend/app/api/v1/v1_ctrl_user.go

@@ -136,6 +136,11 @@ type (
 // @Security  Bearer
 func (ctrl *V1Controller) HandleUserSelfChangePassword() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
+		if ctrl.isDemo {
+			server.RespondError(w, http.StatusForbidden, nil)
+			return
+		}
+
 		var cp ChangePassword
 		err := server.Decode(r, &cp)
 		if err != nil {