Fix html rendering

internal/env/env.go

@@ -15,7 +15,7 @@ type Config struct {
 	Port        int    `env:"PORT" envDefault:"8080" validate:"min=1024,max=49151"`
 	LogLevel    string `env:"LOG_LEVEL" envDefault:"info" validate:"oneof=debug info warn error panic fatal"`
 	Version     string `env:"VERSION" envDefault:"v0.0.0"`
-	SwaggerHost string `env:"SWAGGER_HOST" envDefault:"https://cafe.test"`
+	SwaggerHost string `env:"SWAGGER_HOST"`
 	DB_Host     string `env:"DB_HOST"`
 	DB_User     string `env:"DB_USER"`
 	DB_Password string `env:"DB_PASSWORD"`

internal/router/middleware.go

@@ -4,6 +4,13 @@ import (
 	"github.com/labstack/echo/v4"
 )
 
+func longCacheLifetime(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		c.Response().Header().Set(echo.HeaderCacheControl, "public, max-age=31536000")
+		return next(c)
+	}
+}
+
 func authHeader(next echo.HandlerFunc) echo.HandlerFunc {
 	return func(c echo.Context) error {
 		c.Response().Header().Set("Remote-Groups", c.Request().Header.Get("Remote-Groups"))

internal/router/router.go

@@ -29,11 +29,26 @@ func InitRouter() *echo.Echo {
 	e.Pre(middleware.RemoveTrailingSlash())
 
 	e.Validator = &CustomValidator{Validator: newValidator()}
+	e.Renderer = initTemplates()
 
 	return e
 }
 
 func SetupRoutes(e *echo.Echo, ctrl *controller.Controller, env *env.Config) {
+	favicon := e.Group("/favicon", longCacheLifetime)
+	favicon.Static("/", "web/favicon")
+	fonts := e.Group("/fonts", longCacheLifetime)
+	fonts.Static("/", "web/fonts")
+	img := e.Group("/img", longCacheLifetime)
+	img.Static("/", "web/img")
+
+	e.Static("/css", "web/css")
+	e.Static("/js", "web/js")
+
+	e.GET("/", func(c echo.Context) error {
+		return c.Render(http.StatusOK, "index.html", nil)
+	})
+
 	api := e.Group("/api")
 	{
 		tableGroup := api.Group("/tables")
@@ -79,6 +94,13 @@ func SetupRoutes(e *echo.Echo, ctrl *controller.Controller, env *env.Config) {
 			})
 		}
 
+		e.GET("/robots.txt", func(ctx echo.Context) error {
+			return ctx.String(http.StatusOK, "User-agent: *\nDisallow: /")
+		})
+		e.RouteNotFound("*", func(ctx echo.Context) error {
+			return ctx.Redirect(http.StatusTemporaryRedirect, "/")
+		})
+
 		if env.SwaggerHost != "" {
 			docs.SwaggerInfo.Title = "Café Plätschwiesle"
 			docs.SwaggerInfo.Description = "This is the backend of Café Plätschwiesle"

internal/router/templates.go

@@ -0,0 +1,22 @@
+package router
+
+import (
+	"html/template"
+	"io"
+
+	"github.com/labstack/echo/v4"
+)
+
+type Template struct {
+	templates *template.Template
+}
+
+func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
+	return t.templates.ExecuteTemplate(w, name, data)
+}
+
+func initTemplates() *Template {
+	return &Template{
+		templates: template.Must(template.ParseGlob("web/*.html")),
+	}
+}