diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..aee4484
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,2 @@
+FROM node:20
+EXPOSE 3000
diff --git a/README.md b/README.md
index bdff664..09bf5de 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,10 @@ npm install
 PASSWORD=my_admin_password node index.js
 ```
 
-Point your students to the root URL
+Point your students to the root URL.
 
-Go to `/login` to login with the admin password
-Go to `/choices` to start a poll (admin only)
+Go to `/login` to login with the admin password.
 
-Going to /#abstain will skip the vote and go straight to the results.
+Go to `/choices` to start a poll (admin only).
+
+Going to `/#abstain` will skip the vote and go straight to the results.