Add feature flags system with beacons flag for targeted rollout #589
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Credentials-based feature flags adapted from Rails 8.2 pattern for 8.1, using Rails.application.credentials.dig instead of Rails.app.creds.option. Supports per-user targeting via allowed_emails, ENV overrides, and request-scoped toggles for testing. Beacons feature gated to admin@skillrx.org. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
… spec Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
dmitrytrager
commented
Feb 4, 2026
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| module FeatureFlags | |||
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We may want to move it to services
| module FeatureFlags | ||
| extend self | ||
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| def enabled?(flag_name, user: nil) |
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Can use overrides, env vars and setup from creadentials
| def user_allowed?(config, user) | ||
| return false if user.nil? | ||
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| allowed_emails = config[:allowed_emails] |
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We may want to identify users in a different way later
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Credentials-based feature flags adapted from Rails 8.2 pattern for 8.1, using Rails.application.credentials.dig instead of Rails.app.creds.option. Supports per-user targeting via allowed_emails, ENV overrides, and request-scoped toggles for testing. Beacons feature gated to admin@skillrx.org.
What Issue Does This PR Cover, If Any?
Resolves #587
What Changed? And Why Did It Change?
I borrow this approach from article: https://codewithrails.com/blog/rails-feature-flags-credentials/
It can work for us since it is dependency-free
How Has This Been Tested?
Please Provide Screenshots
Additional Comments