fix: update docker and messages

Dockerfile

@@ -20,4 +20,6 @@ COPY Gemfile* package.json yarn.lock /app/
 RUN gem install bundler -v 2.1.4 && \
   bundle install --jobs 20
 
+RUN bundle update 
+
 COPY . /app

app/admin/messages.rb

@@ -14,6 +14,16 @@ ActiveAdmin.register Message do
   # Uncomment all parameters which should be permitted for assignment
   #
   permit_params :title, :name, :description, :email, :phone
+
+  controller do
+    def destroy
+      Message.destroy(params[:id])
+      flash[:notice] = "Message deleted successfully!"
+      redirect_to admin_messages_path
+    end
+  end
+
+  
   #
   # or
   #