feat: UI design

cmd/doggo/api/api.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"embed"
+	"io/fs"
 	"net/http"
 	"time"
 
@@ -9,6 +11,7 @@ import (
 	"github.com/sirupsen/logrus"
 
 	"github.com/go-chi/chi"
+	"github.com/go-chi/chi/middleware"
 	"github.com/knadh/koanf"
 )
 
@@ -18,6 +21,10 @@ var (
 	// Version and date of the build. This is injected at build-time.
 	buildVersion = "unknown"
 	buildDate    = "unknown"
+	//go:embed assets/*
+	assetsDir embed.FS
+	//go:embed index.html
+	html []byte
 )
 
 func main() {
@@ -26,11 +33,30 @@ func main() {
 	// Initialize app.
 	app := app.New(logger, buildVersion)
 
-	// Register handles.
+	// Register router instance.
 	r := chi.NewRouter()
-	r.Get("/", wrap(app, handleIndex))
-	r.Get("/ping/", wrap(app, handleHealthCheck))
-	r.Post("/lookup/", wrap(app, handleLookup))
+
+	// Register middlewares
+	r.Use(middleware.RequestID)
+	r.Use(middleware.RealIP)
+	r.Use(middleware.Logger)
+	r.Use(middleware.Recoverer)
+
+	// Frontend Handlers.
+	assets, _ := fs.Sub(assetsDir, "assets")
+	r.Get("/assets/*", func(w http.ResponseWriter, r *http.Request) {
+		fs := http.StripPrefix("/assets/", http.FileServer(http.FS(assets)))
+		fs.ServeHTTP(w, r)
+	})
+	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Add("Content-Type", "text/html")
+		w.Write(html)
+	})
+
+	// API Handlers.
+	r.Get("/api/", wrap(app, handleIndexAPI))
+	r.Get("/api/ping/", wrap(app, handleHealthCheck))
+	r.Post("/api/lookup/", wrap(app, handleLookup))
 
 	// HTTP Server.
 	srv := &http.Server{