Enabling Go Modules and refactoring our code to use packages

cmd/web/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"gitea.sitodosi.com/betology/curso/pkg/handlers"
+)
+
+var portNumber = ":8080"
+
+// main is the main application function
+func main() {
+	http.HandleFunc("/", handlers.Home)
+	http.HandleFunc("/about", handlers.About)
+
+	fmt.Println(fmt.Sprintf("Starting application on port %s", portNumber))
+	_ = http.ListenAndServe(portNumber, nil)
+}

go.mod

@@ -0,0 +1,3 @@
+module gitea.sitodosi.com/betology/curso
+
+go 1.22.0

pkg/handlers/handlers.go

@@ -0,0 +1,17 @@
+package handlers
+
+import (
+	"net/http"
+
+	"gitea.sitodosi.com/betology/curso/pkg/render"
+)
+
+// Home is the home page handler
+func Home(w http.ResponseWriter, r *http.Request) {
+	render.RenderTemplate(w, "home.page.tmpl")
+}
+
+// About is the about page handler
+func About(w http.ResponseWriter, r *http.Request) {
+	render.RenderTemplate(w, "about.page.tmpl")
+}

pkg/render/render.go

@@ -0,0 +1,17 @@
+package render
+
+import (
+	"fmt"
+	"net/http"
+	"text/template"
+)
+
+// RenderTemplate renders templates using html/template
+func RenderTemplate(w http.ResponseWriter, tmpl string) {
+	parsedTemplate, _ := template.ParseFiles("./templates/" + tmpl)
+	err := parsedTemplate.Execute(w, nil)
+	if err != nil {
+		fmt.Println("error parsing template:", err)
+		return
+	}
+}