Configure Open Graph

- customise og:description using front-matter (purdue)
- move purdue figure beneath opening
- move portfolio figure beneath opening

brodie.id.au/blog/purdue.md

@@ -1,16 +1,20 @@
-```{post} 24 April, 2020
-:author: Brodie Blackburn
-```
+---
+blogpost: true
+date: 24 April, 2020
+author: Brodie Blackburn
+# Include just the first line as description.
+ogp_description_length: 56
+---
 # Purdue model
 
+The [Purdue model](https://en.wikipedia.org/wiki/Purdue_Enterprise_Reference_Architecture) is not a security architecture model[^1].
+
 ```{figure} purdue.jpg
 :alt: At least it does not identify as a Pie Ass Fuck?
 
 Well, *technically*, it should identify as Purdue Level 3.15149 Pi As Fuck because it's a genderless XIoT device.
 ```
 
-The [Purdue model](https://en.wikipedia.org/wiki/Purdue_Enterprise_Reference_Architecture) is not a security architecture model[^1].
-
 
 ## A brief history of networks
 

brodie.id.au/blog/serverless-investment-management-portfolio.md

@@ -3,12 +3,6 @@
 ```
 # Serverless investment management portfolio
 
-```{figure} portfolio-demo.png
-:alt: Index worksheet
-
-[portfolio-demo.brodie.id.au](https://portfolio-demo.brodie.id.au)
-```
-
 I built a system that helps manage investments.
 
 It does the following things:
@@ -23,6 +17,12 @@ It does the following things:
 You can check out a demo with example data [here](https://portfolio-demo.brodie.id.au),
 and view source code [here](https://github.com/eidorb/portfolio).
 
+```{figure} portfolio-demo.png
+:alt: Index worksheet
+
+[portfolio-demo.brodie.id.au](https://portfolio-demo.brodie.id.au)
+```
+
 
 ## Investment strategy
 

brodie.id.au/conf.py

@@ -26,7 +26,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ["ablog", "sphinx.ext.intersphinx", "myst_nb"]
+extensions = ["ablog", "sphinx.ext.intersphinx", "myst_nb", "sphinxext.opengraph"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
@@ -104,3 +104,8 @@
         "ablog/archives.html",
     ],
 }
+
+# Open Graph (sphinxext.opengraph) config
+ogp_site_url = "https://brodie.id.au/"
+ogp_image = "_static/ambigram.png"
+ogp_use_first_image = True