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Use capy run to decrypt .env and pass the plaintext values to your Ruby process. Your code reads env vars with ENV["KEY"] or gems like dotenv.
1

Install the CLI

brew install capysc/tap/capy

npm install -g @capysc/cli

bun add -g @capysc/cli
2

Sync your secrets

capy
3

Run your app

capy run -- ruby app.rb
capy run -- bundle exec rails server
capy run -- bundle exec rspec
Read env vars the standard way:
db_url = ENV["DATABASE_URL"]
4

Invite a teammate

capy invite teammate@example.com
5

Deploy

capy deploy

​
What’s next

Running your app

The full story on capy run.
Last modified on June 10, 2026