update og base url

README.md

@@ -76,6 +76,9 @@ When it's done you'll make a merge request for from your branch into the `develo
  for production builds. If you use the docker environment
  this is customizable in the `docker-compose.yml` file.
  If none of these are set it will default to `http://localhost:5000/` (slash at the end).
+ To make sure the open graph tags are working you need to set the
+ env variable `FRONTEND_URL_PLACEHOLDER=https://matweb.info` to the domain name you're
+ hosting the frontend.
 
 ## Translations
 We'd love to receive any translation merge requests :).

entrypoint.sh

@@ -19,7 +19,7 @@ done
 
 echo "Processing index.html ...";
 cp /var/www/html/index.html /var/www/html/index.html.tmpl.html
-envsubst '$MAT_API_HOST_PLACEHOLDER' < /var/www/html/index.html.tmpl.html > /var/www/html/index.html
+envsubst < /var/www/html/index.html.tmpl.html > /var/www/html/index.html
 rm /var/www/html/index.html.tmpl.html
 
 cat /var/www/html/index.html

src/index.template.html

@@ -31,7 +31,7 @@
     <meta name="og:title" content="MAT2 Web">
     <meta name="og:description" content="Keep your data, trash your meta!">
     <meta name="og:image" content="https://0xacab.org/jfriedli/mat2-quasar-frontend/-/wikis/uploads/407da735fb90d769799254f24bd8ce1e/og.png">
-    <meta name="og:url" content="/">
+    <meta name="og:url" content="$FRONTEND_URL_PLACEHOLDER">
     <meta name="og:site_name" content="MAT2 Web">
     <meta name="og:type" content="website">