Add doc for Mastodon maintenance

doc/mastodon.md

@@ -0,0 +1,15 @@
+# Mastodon
+
+Running on kosmos.social
+
+## Ops
+
+### Enable maintance mode
+
+Return a 503 and maintance page for all requests:
+
+    knife ssh -p2222 -a knife_zero.host "role:openresty_proxy" "sudo cp -p /var/www/maintenance.html /var/www/kosmos.social/public/ && sudo systemctl reload openresty"
+
+### Stop maintenance mode
+
+    knife ssh -p2222 -a knife_zero.host "role:openresty_proxy" "sudo rm /var/www/kosmos.social/public/maintenance.html && sudo systemctl reload openresty"