This post has a header image with an OpenGraph override.
header:
overlay_image: /assets/images/unsplash-image-1.jpg
og_image: /assets/images/page-header-og-image.png
caption: "Photo credit: [**Unsplash**](https://unsplash.com)"
actions:
- label: "Learn More"
url: "https://unsplash.com"