diff --git a/Dockerfile b/Dockerfile
index deb90cc..04ffe34 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM node
 WORKDIR /project
 ADD index.html index.js /project/
+EXPOSE 1312
 LABEL traefik.enable=true
 LABEL traefik.http.routers.tws_links.rule=Host(`techwork.zone`)
 LABEL traefik.http.routers.tws_links.tls.certresolver=letsencrypt
diff --git a/index.html b/index.html
index 5422dc7..258548d 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,11 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta property="og.title" content="Tech Workers' Syndicate" />
+    <meta property="og.type" content="website" />
+    <meta property="og.url" content="https://techwork.zone/">
+    <meta property="og.description"
+          content="Matrix space: matrix.to/#/#tws:matrix.org; blog.techwork.zone; Mastodon: @syndicate@tams.tech; Bluesky: @techwork.zone; Source code: git.techwork.zone" />
     <title>Tech Workers' Syndicate</title>
     <style>
         html,
