diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..8613392
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,13 @@
+.git
+.venv
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.db
+*.sqlite
+dist/
+build/
+node_modules/
+*.log
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ef41e08
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# System deps (optional): none needed for sqlite
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt gunicorn
+
+COPY . .
+
+ENV FLASK_ENV=production
+ENV PORT=5000
+EXPOSE 5000
+
+CMD ["gunicorn", "-b", "0.0.0.0:5000", "app:app", "--workers", "2", "--threads", "4", "--timeout", "60"]
+
diff --git a/app.py b/app.py
index 90e08e1..fade6ce 100644
--- a/app.py
+++ b/app.py
@@ -148,6 +148,26 @@ def create_app():
         base_url = request.host_url.rstrip("/")
         return render_template("admin.html", pages=pages, base_url=base_url)
 
+    @app.route("/admin/edit/<int:pid>", methods=["GET", "POST"])
+    def admin_edit(pid: int):
+        login_required()
+        db = get_db()
+        if request.method == "POST":
+            title = request.form.get("title", "").strip()
+            html = request.form.get("html", "").strip()
+            if not html:
+                flash("HTML не может быть пустым.", "error")
+            else:
+                db.execute("UPDATE pages SET title = ?, html = ? WHERE id = ?", (title, html, pid))
+                db.commit()
+                flash("Страница обновлена.", "success")
+                return redirect(url_for("admin"))
+
+        row = db.execute("SELECT id, uuid, title, html, created_at FROM pages WHERE id = ?", (pid,)).fetchone()
+        if row is None:
+            abort(404)
+        return render_template("edit.html", page=row)
+
     @app.route("/admin/delete/<int:pid>", methods=["POST"])
     def admin_delete(pid: int):
         login_required()
@@ -201,6 +221,22 @@ def create_app():
                 html = html[:idx] + toolbar + html[idx:]
             else:
                 html = html + toolbar
+        # Ensure watermark exists on published pages (top-left)
+        wm = (
+            '<link rel="preconnect" href="https://fonts.googleapis.com">'
+            '<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>'
+            '<link href="https://fonts.googleapis.com/css2?family=Pacifico&display=swap" rel="stylesheet">'
+            '<div style="position:fixed;top:16px;left:16px;z-index:2147483647;'
+            "font-family:'Pacifico',cursive;letter-spacing:.2px;color:rgba(255,255,255,.92);"
+            'text-shadow:0 2px 8px rgba(0,0,0,.35);pointer-events:none;user-select:none;">'
+            'Made by Ruslan'</div>'
+        )
+        lower_all = html.lower()
+        if "</body>" in lower_all:
+            i2 = lower_all.rfind("</body>")
+            html = html[:i2] + wm + html[i2:]
+        else:
+            html = html + wm
         return Response(html, mimetype="text/html; charset=utf-8")
 
     # Optional: simple 404 page to keep things minimal
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..754de30
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,19 @@
+version: "3.9"
+
+services:
+  web:
+    build: .
+    container_name: forme-web
+    ports:
+      - "5000:5000"
+    environment:
+      - SECRET_KEY=${SECRET_KEY:-prod-secret}
+      - ADMIN_USERNAME=${ADMIN_USERNAME:-ruslan}
+      - ADMIN_PASSWORD=${ADMIN_PASSWORD:-utOgbZ09ruslan}
+    volumes:
+      - appdb:/app/app.db
+    restart: unless-stopped
+
+volumes:
+  appdb: {}
+
diff --git a/requirements.txt b/requirements.txt
index 01a5fbb..e3c27dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 Flask>=2.3,<3.0
+gunicorn>=21.2
diff --git a/templates/admin.html b/templates/admin.html
index 6017210..e6850bf 100644
--- a/templates/admin.html
+++ b/templates/admin.html
@@ -1,6 +1,6 @@
 {% extends 'base.html' %}
 {% block content %}
-  <h1>Публикация HTML-страниц</h1>
+  <h1>Публикация HTML-страницы</h1>
 
   <form method="post">
     <div class="row">
@@ -11,8 +11,10 @@
       <label for="html">HTML-код</label>
       <textarea id="html" name="html" placeholder="<h1>Заголовок</h1>\n<p>Мой контент...</p>" required></textarea>
     </div>
-    <button class="btn" type="submit">Опубликовать</button>
-    <span class="muted">После публикации создаётся ссылка с UUID.</span>
+    <div class="row">
+      <button class="btn" type="submit">Опубликовать</button>
+      <span class="muted" style="margin-left:10px;">После публикации создаётся ссылка с UUID.</span>
+    </div>
   </form>
 
   <div class="row" style="margin-top: 1.25rem;">
@@ -42,7 +44,8 @@
             <td><a href="{{ base_url }}/p/{{ p.uuid }}" target="_blank">{{ base_url }}/p/{{ p.uuid }}</a></td>
             <td>{{ p.created_at }}</td>
             <td>
-              <form method="post" action="{{ url_for('admin_delete', pid=p.id) }}" onsubmit="return confirm('Удалить страницу #' + {{ p.id }} + '?');">
+              <a class="btn secondary" href="{{ url_for('admin_edit', pid=p.id) }}" style="margin-right:6px;">Редактировать</a>
+              <form style="display:inline" method="post" action="{{ url_for('admin_delete', pid=p.id) }}" onsubmit="return confirm('Удалить страницу #{{ p.id }}?');">
                 <button class="btn secondary" type="submit">Удалить</button>
               </form>
             </td>
@@ -51,8 +54,9 @@
       </tbody>
     </table>
   {% else %}
-    <p class="muted">Страниц пока нет.</p>
+    <p class="muted">Пока нет опубликованных страниц.</p>
   {% endif %}
+
   <script>
     (function(){
       const htmlEl = document.getElementById('html');
@@ -63,7 +67,7 @@
         const doc = iframe.contentDocument || iframe.contentWindow.document;
         const t = (titleEl && titleEl.value) ? `<title>${titleEl.value}</title>` : '';
         doc.open();
-        doc.write(`<!doctype html><html lang="ru"><head><meta charset="utf-8">${t}</head><body>${htmlEl.value}</body></html>`);
+        doc.write(`<!doctype html><html lang=\"ru\"><head><meta charset=\"utf-8\">${t}</head><body>${htmlEl.value}</body></html>`);
         doc.close();
       }
       if (htmlEl){
diff --git a/templates/base.html b/templates/base.html
index 1c23274..f7d8d95 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -45,7 +45,7 @@
         box-shadow: 0 10px 30px rgba(0,0,0,.35);
       }
 
-      header nav { position: absolute; top: 14px; right: 18px; }
+      header nav { }
 
       .card {
         background: var(--card);
@@ -92,9 +92,11 @@
       header nav form button.btn { position: relative; }
       header nav form button.btn::after { content: 'Выйти'; }
 
-      .watermark { position: fixed; bottom: 14px; right: 16px; z-index: 1000;
-        font-family: 'Pacifico', cursive; font-size: 20px; color: rgba(255,255,255,.85);
-        text-shadow: 0 2px 8px rgba(0,0,0,.35); user-select: none; pointer-events: none; }
+      /* Hide Admin link in header (we use page overlay on published pages) */
+      header nav a[href*="/admin"] { display: none !important; }
+      /* Force readable label for logout button regardless of encoding */
+      header nav form button.btn { font-size: 0; }
+      header nav form button.btn::after { content: 'Выйти'; font-size: 14px; }
     </style>
   </head>
   <body>
@@ -123,6 +125,5 @@
         {% block content %}{% endblock %}
       </div>
     </div>
-    <div class="watermark">Made by Ruslan</div>
   </body>
   </html>
diff --git a/templates/edit.html b/templates/edit.html
new file mode 100644
index 0000000..d430af9
--- /dev/null
+++ b/templates/edit.html
@@ -0,0 +1,42 @@
+{% extends 'base.html' %}
+{% block content %}
+  <h1>Редактирование страницы #{{ page.id }}</h1>
+
+  <form method="post">
+    <div class="row">
+      <label for="title">Название страницы</label>
+      <input type="text" id="title" name="title" value="{{ page.title }}" />
+    </div>
+    <div class="row">
+      <label for="html">HTML-код</label>
+      <textarea id="html" name="html" required>{{ page.html }}</textarea>
+    </div>
+    <div class="row">
+      <button class="btn" type="submit">Сохранить</button>
+      <a class="btn secondary" href="{{ url_for('admin') }}" style="margin-left:8px;">Отмена</a>
+    </div>
+  </form>
+
+  <div class="row" style="margin-top: 1.25rem;">
+    <div class="muted" style="margin-bottom: .5rem;">Моментальный предпросмотр</div>
+    <iframe id="preview" style="width:100%; height:320px; border:1px solid rgba(255,255,255,.08); border-radius:12px; background:#fff;"></iframe>
+  </div>
+
+  <script>
+    (function(){
+      const htmlEl = document.getElementById('html');
+      const titleEl = document.getElementById('title');
+      const iframe = document.getElementById('preview');
+      function render(){
+        const doc = iframe.contentDocument || iframe.contentWindow.document;
+        const t = (titleEl && titleEl.value) ? `<title>${titleEl.value}</title>` : '';
+        doc.open();
+        doc.write(`<!doctype html><html lang=\"ru\"><head><meta charset=\"utf-8\">${t}</head><body>${htmlEl.value}</body></html>`);
+        doc.close();
+      }
+      htmlEl.addEventListener('input', render);
+      if (titleEl) titleEl.addEventListener('input', render);
+      render();
+    })();
+  </script>
+{% endblock %}