app.js

// Destroy Route (need to work on Destroy)
app.post("/blogs/:id", function (req, res) {
	 /* body... */ 
	 // destroy Blog
	 Blog.findByIdAndRemove(req.params.id, function (err) {
	 	 /* body... */ 
	 	 if (err) {
	 	 	res.redirect("/blogs");
	 	 }else {
	 	 	res.redirect("/blogs");
	 	 }
	 })
	 // redirect somewhere
});

show.ejs

<div class="ui main text container segment">
	<div class="ui huge header"><%= blog.title %></div>
		<div class="ui top attached ">
			<div class="item">
				<img src="<%= blog.image %>" alt="<%= blog.title %>" class="ui centered rounded image">
			</div>
			<div class="content">
				<span><%= blog.created.toDateString() %></span>
			</div>
			<div class="description">
			<p><%= blog.body %></p>
			</div>
			<form  action="/blogs/<%= blog._id %>?_method=DELETE" method="POST">
				<button class="ui red basic big button">Delete</button>
			</form>
	
</div>