diff --git a/.ruby-version b/.ruby-version
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--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+2.7.0
\ No newline at end of file
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
 # durfdoen-2.0
 Durf Doen 2.0
+
+## Setup instructions
+
+1. Install bundler (`gem install bundler`)
+2. Install other gems (`bundle install`)
+3. Build and serve the site (`bundle exec nanoc live`)