diff --git a/README.md b/README.md
index 113fc62..31855f3 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ This app can be hosted wherever Ruby is supported and PostgreSQL databases can b
 
 [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/ryanwi/rails7-on-docker)
 
-Set `SECRET_KEY_BASE` environment variable
+NOTE: You will need to generate a production secret with `bin/rails secret` and set it as the `SECRET_KEY_BASE` environment variable.
 
 ## Credits/References
 
diff --git a/production.Dockerfile b/production.Dockerfile
index c70aaa4..6ad538f 100644
--- a/production.Dockerfile
+++ b/production.Dockerfile
@@ -32,10 +32,11 @@ COPY . .
 ARG SECRET_KEY_BASE=fakekeyforassets
 RUN bin/rails assets:clobber && bundle exec rails assets:precompile
 
-# This is an approach for deploying to Render. It is not great, maybe there's a better way?
+# For when deploying to Render. It is not great, maybe there's a better way?
 # https://community.render.com/t/release-command-for-db-migrations/247/6
 ARG DATABASE_URL
-RUN bin/rails db:migrate
+RUN printenv
+RUN if [ -z "$RENDER" ]; then echo "var is unset"; else bin/rails db:migrate; fi
 
 EXPOSE 3000