Hugo provides a new command to create a post, as a example for creating a new post is hugo new blog/new-post.md , it will create a post.
Configure Post
You can configure your blog post from the front-matter. Front-matter starts with --- and end with also --- . In this front matter you can give author = author name , description = meta description, image = images/blog/post-thumb.jpg. **One thing is remember that you must need to declare the type = post. **
When you created a new post, the draft default value is true, and when the draft is true your post will not show, you need to change it for showing this post. like draft = false. Only then your post will show in blog page.
After closing front matter give your post content, remember that every file that has an .md extension, are supports markdown.