diff --git a/mastodon.subdomain.conf.sample b/mastodon.subdomain.conf.sample
new file mode 100644
index 0000000..5a3d8f6
--- /dev/null
+++ b/mastodon.subdomain.conf.sample
@@ -0,0 +1,43 @@
+## Version 2022/11/10
+# make sure that your dns has a cname set for mastodon
+# make sure you set `WEB_DOMAIN=mastodon.example.com` env var for the mastodon container
+# if you set `LOCAL_DOMAIN=example.com` (without the mastodon subdomain), then don't forget to add
+# the location block for redirecting `/.well-known/webfinger` into your main server block for the WEB_DOMAIN
+# See the upstream docs for more info: https://docs.joinmastodon.org/admin/config/#basic
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+
+    server_name mastodon.*;
+
+    include /config/nginx/ssl.conf;
+
+    client_max_body_size 0;
+
+    # enable for ldap auth (requires ldap-location.conf in the location block)
+    #include /config/nginx/ldap-server.conf;
+
+    # enable for Authelia (requires authelia-location.conf in the location block)
+    #include /config/nginx/authelia-server.conf;
+
+    location / {
+        # enable the next two lines for http auth
+        #auth_basic "Restricted";
+        #auth_basic_user_file /config/nginx/.htpasswd;
+
+        # enable for ldap auth (requires ldap-server.conf in the server block)
+        #include /config/nginx/ldap-location.conf;
+
+        # enable for Authelia (requires authelia-server.conf in the server block)
+        #include /config/nginx/authelia-location.conf;
+
+        include /config/nginx/proxy.conf;
+        include /config/nginx/resolver.conf;
+        set $upstream_app mastodon;
+        set $upstream_port 80;
+        set $upstream_proto http;
+        proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+
+    }
+}