fixtures/templates/blog/header.html

{{ define "header" -}}
<!DOCTYPE html>
<html>
    <head>
	
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<meta charset="utf-8">
	<meta name="MobileOptimized" content="width">
	<meta name="HandheldFriendly" content="true">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">

	<title>Example</title>

	{{ if and .FrontMatter.Title .FrontMatter.Excerpt .FrontMatter.Permalink }}
		<meta property="og:type" content="article" />
		<meta property="og:site_name" content="Mills Field, a SFO Museum website" />
		<meta property="og:title" content="{{ .FrontMatter.Title }}" />
		<meta property="og:description" content="{{ .FrontMatter.Excerpt }}" />
		{{ if .FrontMatter.Image }}
		<meta property="og:image" content="https://millsfield.sfomuseum.org{{ .FrontMatter.Permalink }}{{ .FrontMatter.Image }}" />
		{{ end }}
		
		<meta property="twitter:card" value="summary" />
		<meta property="twitter:site" content="@sfomuseum" />
		<meta property="twitter:creator" content="@sfomuseum" />
		<meta property="twitter:url" content="https://millsfield.sfomuseum.org{{ .FrontMatter.Permalink }}" />
		<meta property="twitter:title" content="{{ .FrontMatter.Title }}" />
		<meta property="twitter:description" content="{{ .FrontMatter.Excerpt }}" />

		{{ if .FrontMatter.Image }}
		<meta property="twitter:image" content="https://millsfield.sfomuseum.org{{ .FrontMatter.Permalink }}{{ .FrontMatter.Image }}" />
		{{ end }}
		{{ end }}
		
    </head>

    <body>

	<header>This is the header</header>
	<article>
	    
{{end}}