testing

src/frontend/handlers.go

@@ -232,7 +232,7 @@ func (fe *frontendServer) addToCartHandler(w http.ResponseWriter, r *http.Reques
 		renderHTTPError(log, r, w, errors.Wrap(err, "failed to add to cart"), http.StatusInternalServerError)
 		return
 	}
-	w.Header().Set("location", baseUrl + "/cart")
+	w.Header().Set("location", baseUrl+"/cart")
 	w.WriteHeader(http.StatusFound)
 }
 
@@ -244,7 +244,7 @@ func (fe *frontendServer) emptyCartHandler(w http.ResponseWriter, r *http.Reques
 		renderHTTPError(log, r, w, errors.Wrap(err, "failed to empty cart"), http.StatusInternalServerError)
 		return
 	}
-	w.Header().Set("location", baseUrl + "/")
+	w.Header().Set("location", baseUrl+"/")
 	w.WriteHeader(http.StatusFound)
 }
 
@@ -401,6 +401,7 @@ func (fe *frontendServer) placeOrderHandler(w http.ResponseWriter, r *http.Reque
 }
 
 func (fe *frontendServer) assistantHandler(w http.ResponseWriter, r *http.Request) {
+	log := r.Context().Value(ctxKeyLog{}).(logrus.FieldLogger)
 	currencies, err := fe.getCurrencies(r.Context())
 	if err != nil {
 		renderHTTPError(log, r, w, errors.Wrap(err, "could not retrieve currencies"), http.StatusInternalServerError)
@@ -415,6 +416,29 @@ func (fe *frontendServer) assistantHandler(w http.ResponseWriter, r *http.Reques
 	}
 }
 
+func (fe *frontendServer) aboutHandler(w http.ResponseWriter, r *http.Request) {
+	log := r.Context().Value(ctxKeyLog{}).(logrus.FieldLogger)
+	currencies, err := fe.getCurrencies(r.Context())
+	if err != nil {
+		renderHTTPError(log, r, w, errors.Wrap(err, "could not retrieve currencies"), http.StatusInternalServerError)
+		return
+	}
+
+	cart, err := fe.getCart(r.Context(), sessionID(r))
+	if err != nil {
+		renderHTTPError(log, r, w, errors.Wrap(err, "could not retrieve cart"), http.StatusInternalServerError)
+		return
+	}
+
+	if err := templates.ExecuteTemplate(w, "about", injectCommonTemplateData(r, map[string]interface{}{
+		"show_currency": true,
+		"currencies":    currencies,
+		"cart_size":     cartSize(cart),
+	})); err != nil {
+		log.Println(err)
+	}
+}
+
 func (fe *frontendServer) logoutHandler(w http.ResponseWriter, r *http.Request) {
 	log := r.Context().Value(ctxKeyLog{}).(logrus.FieldLogger)
 	log.Debug("logging out")
@@ -423,7 +447,7 @@ func (fe *frontendServer) logoutHandler(w http.ResponseWriter, r *http.Request)
 		c.MaxAge = -1
 		http.SetCookie(w, c)
 	}
-	w.Header().Set("Location", baseUrl + "/")
+	w.Header().Set("Location", baseUrl+"/")
 	w.WriteHeader(http.StatusFound)
 }
 

src/frontend/main.go

@@ -156,6 +156,7 @@ func main() {
 	r.HandleFunc(baseUrl+"/logout", svc.logoutHandler).Methods(http.MethodGet)
 	r.HandleFunc(baseUrl+"/cart/checkout", svc.placeOrderHandler).Methods(http.MethodPost)
 	r.HandleFunc(baseUrl+"/assistant", svc.assistantHandler).Methods(http.MethodGet)
+	r.HandleFunc(baseUrl+"/about", svc.aboutHandler).Methods(http.MethodGet, http.MethodHead)
 	r.PathPrefix(baseUrl + "/static/").Handler(http.StripPrefix(baseUrl+"/static/", http.FileServer(http.Dir("./static/"))))
 	r.HandleFunc(baseUrl+"/robots.txt", func(w http.ResponseWriter, _ *http.Request) { fmt.Fprint(w, "User-agent: *\nDisallow: /") })
 	r.HandleFunc(baseUrl+"/_healthz", func(w http.ResponseWriter, _ *http.Request) { fmt.Fprint(w, "ok") })

src/frontend/templates/about.html

@@ -0,0 +1,30 @@
+<!--
+ Copyright 2026
+-->
+
+{{ define "about" }}
+
+{{ template "header" . }}
+<main role="main" class="home">
+  <div class="container py-5">
+    <div class="row justify-content-center">
+      <div class="col-12 col-lg-8">
+        <h1 class="mb-4">About This Demo Store</h1>
+        <p>
+          This storefront is part of the microservices demo application. It showcases a
+          production-style architecture where independent services collaborate to provide
+          product browsing, cart management, checkout, recommendations, and supporting
+          functionality.
+        </p>
+        <p>
+          The site is intended for demonstration and learning purposes only. No real
+          purchases are processed.
+        </p>
+        <a href="{{ $.baseUrl }}/" class="btn btn-dark mt-3">Back to shopping</a>
+      </div>
+    </div>
+  </div>
+</main>
+{{ template "footer" . }}
+
+{{ end }}

src/frontend/templates/header.html

@@ -65,6 +65,7 @@
                     {{ end }}
                 </a>
                 <div class="controls">
+                    <a href="{{ $.baseUrl }}/about" class="text-reset mr-3 d-none d-md-inline-block">About</a>
 
                     {{ if $.show_currency }}
                     <div class="h-controls">