diff --git a/gowiki/about.txt b/gowiki/about.txt
new file mode 100644
index 0000000..ec147cc
--- /dev/null
+++ b/gowiki/about.txt
@@ -0,0 +1,3 @@
+This is a simple wiki created in Go following an official guide from the Go developers.
+
+https://golang.org/doc/articles/wiki/
\ No newline at end of file
diff --git a/gowiki/edit.html b/gowiki/edit.html
new file mode 100644
index 0000000..044c3be
--- /dev/null
+++ b/gowiki/edit.html
@@ -0,0 +1,6 @@
+<h1>Editing {{.Title}}</h1>
+
+<form action="/save/{{.Title}}" method="POST">
+<div><textarea name="body" rows="20" cols="80">{{printf "%s" .Body}}</textarea></div>
+<div><input type="submit" value="Save"></div>
+</form>
diff --git a/gowiki/go.mod b/gowiki/go.mod
new file mode 100644
index 0000000..d6c89dd
--- /dev/null
+++ b/gowiki/go.mod
@@ -0,0 +1,3 @@
+module example.com/gowiki
+
+go 1.17
diff --git a/gowiki/view.html b/gowiki/view.html
new file mode 100644
index 0000000..b1e87ef
--- /dev/null
+++ b/gowiki/view.html
@@ -0,0 +1,5 @@
+<h1>{{.Title}}</h1>
+
+<p>[<a href="/edit/{{.Title}}">edit</a>]</p>
+
+<div>{{printf "%s" .Body}}</div>
diff --git a/gowiki/wiki b/gowiki/wiki
new file mode 100755
index 0000000..6e879e8
Binary files /dev/null and b/gowiki/wiki differ
diff --git a/gowiki/wiki.go b/gowiki/wiki.go
new file mode 100644
index 0000000..cddef56
--- /dev/null
+++ b/gowiki/wiki.go
@@ -0,0 +1,95 @@
+package main
+
+import (
+	"errors"
+	"html/template"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"regexp"
+)
+
+type Page struct {
+	Title string
+	Body  []byte
+}
+
+var templates = template.Must(template.ParseFiles("edit.html", "view.html"))
+var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
+
+func (p *Page) save() error {
+	filename := p.Title + ".txt"
+	return ioutil.WriteFile(filename, p.Body, 0600)
+}
+
+func getTitle(w http.ResponseWriter, r *http.Request) (string, error) {
+	m := validPath.FindStringSubmatch(r.URL.Path)
+	if m == nil {
+		http.NotFound(w, r)
+		return "", errors.New("invalid Page Title")
+	}
+	return m[2], nil // The title is the second subexpression.
+}
+
+func loadPage(title string) (*Page, error) {
+	filename := title + ".txt"
+	body, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	return &Page{Title: title, Body: body}, nil
+}
+
+func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
+	err := templates.ExecuteTemplate(w, tmpl+".html", p)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		m := validPath.FindStringSubmatch(r.URL.Path)
+		if m == nil {
+			http.NotFound(w, r)
+			return
+		}
+		fn(w, r, m[2])
+	}
+}
+
+func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
+	p, err := loadPage(title)
+	if err != nil {
+		http.Redirect(w, r, "/edit/"+title, http.StatusFound)
+		return
+	}
+	renderTemplate(w, "view", p)
+}
+
+func editHandler(w http.ResponseWriter, r *http.Request, title string) {
+	p, err := loadPage(title)
+	if err != nil {
+		p = &Page{Title: title}
+	}
+	renderTemplate(w, "edit", p)
+}
+
+func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
+	body := r.FormValue("body")
+	p := &Page{Title: title, Body: []byte(body)}
+	err := p.save()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	http.Redirect(w, r, "/view/"+title, http.StatusFound)
+}
+
+func main() {
+	http.HandleFunc("/view/", makeHandler(viewHandler))
+	http.HandleFunc("/edit/", makeHandler(editHandler))
+	http.HandleFunc("/save/", makeHandler(saveHandler))
+
+	log.Fatal(http.ListenAndServe(":8173", nil))
+}