fixed the way to display correctly the posts

src/main.rs

@@ -7,6 +7,7 @@ pub mod schema;
 extern crate rocket;
 #[macro_use]
 extern crate diesel;
+extern crate comrak;
 extern crate dotenv;
 extern crate rand;
 extern crate rocket_contrib;
@@ -14,6 +15,7 @@ extern crate tera;
 
 use self::diesel::prelude::*;
 use self::models::*;
+use comrak::{markdown_to_html, ComrakOptions};
 use diesel::pg::PgConnection;
 use dotenv::dotenv;
 use rand::Rng;
@@ -94,7 +96,9 @@ fn show_post(title: String) -> Template {
     let title_fmt = TITLES[rng.gen_range(0, TITLES.len())];
     let title = str::replace(title_fmt, "{}", "CódigoComentado");
 
-    let post = get_post(id);
+    let mut post = get_post(id);
+    let content = markdown_to_html(&post.content, &ComrakOptions::default());
+    post.content = content;
 
     context.insert("title", &title);
     context.insert("post", &post);

templates/posts.html.tera

@@ -1,11 +1,11 @@
 {% extends "base" %}
-{% block title %}{% endblock title %}
+{% block title %}CódigoComentado - {{post.title}}{% endblock title %}
 
 {% block content %}
 <h1><strong>Title: </strong>{{ post.title }}</h1>
 <strong>Content:</strong>
 <article>
-  {{ post.content | split(pat="\n") | join(sep="----------") }}
+  {{ post.content | safe }}
 </article>
 
 {% endblock content %}