diff --git a/main.go b/main.go
index 1869e12..6edf995 100644
--- a/main.go
+++ b/main.go
@@ -13,7 +13,7 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
-	"path"
+	"path/filepath"
 	"runtime"
 	"runtime/pprof"
 	"syscall"
@@ -25,6 +25,8 @@ import (
 
 	"source.toby3d.me/toby3d/home/internal/common"
 	"source.toby3d.me/toby3d/home/internal/domain"
+	sitefsrepo "source.toby3d.me/toby3d/home/internal/site/repository/fs"
+	siteucase "source.toby3d.me/toby3d/home/internal/site/usecase"
 	"source.toby3d.me/toby3d/home/web/template"
 )
 
@@ -45,7 +47,9 @@ func init() {
 		logger.Fatalln("cannot unmarshal configuration into domain:", err)
 	}
 
-	config.ContentDir = path.Clean(config.ContentDir)
+	if config.ContentDir, err = filepath.Abs(filepath.Clean(config.ContentDir)); err != nil {
+		logger.Fatalf("cannot format '%s' content dir path into absolute path: %s", config.ContentDir, err)
+	}
 
 	if _, err = os.Stat(config.ContentDir); err != nil {
 		if errors.Is(err, os.ErrExist) {
@@ -66,6 +70,9 @@ func main() {
 	ctx := context.Background()
 	matcher := language.NewMatcher(message.DefaultCatalog.Languages())
 
+	sites := sitefsrepo.NewFileSystemSiteRepository(os.DirFS(config.ContentDir))
+	siter := siteucase.NewSiteUseCase(sites)
+
 	server := &http.Server{
 		Addr: config.AddrPort().String(),
 		Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -76,9 +83,16 @@ func main() {
 
 			lang, _, _ := matcher.Match(tags...)
 
+			site, err := siter.Do(r.Context(), lang)
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+
+				return
+			}
+
 			w.Header().Set(common.HeaderContentType, common.MIMETextHTMLCharsetUTF8)
 			template.WriteTemplate(w, template.NewPage(
-				template.NewBaseOf(lang),
+				template.NewBaseOf(*site),
 				language.English,
 				[]byte(`hello, world!`),
 				`toby3d`,