feat: custom background image config option

internal/handlers/handlers.go

@@ -448,6 +448,7 @@ func (h *Handlers) AppHandler(c *gin.Context) {
 		GenericName:           h.Config.GenericName,
 		Domain:                h.Config.Domain,
 		ForgotPasswordMessage: h.Config.ForgotPasswordMessage,
+		BackgroundImage:       h.Config.BackgroundImage,
 	}
 
 	// Return app context

internal/types/api.go

@@ -48,6 +48,7 @@ type AppContext struct {
 	GenericName           string   `json:"genericName"`
 	Domain                string   `json:"domain"`
 	ForgotPasswordMessage string   `json:"forgotPasswordMessage"`
+	BackgroundImage       string   `json:"backgroundImage"`
 }
 
 // Totp request is the request for the totp endpoint

internal/types/config.go

@@ -33,6 +33,7 @@ type Config struct {
 	LoginTimeout            int    `mapstructure:"login-timeout"`
 	LoginMaxRetries         int    `mapstructure:"login-max-retries"`
 	FogotPasswordMessage    string `mapstructure:"forgot-password-message" validate:"required"`
+	BackgroundImage         string `mapstructure:"background-image" validate:"required"`
 }
 
 // Server configuration
@@ -44,6 +45,7 @@ type HandlersConfig struct {
 	GenericName           string
 	Title                 string
 	ForgotPasswordMessage string
+	BackgroundImage       string
 }
 
 // OAuthConfig is the configuration for the providers