← The app starts before its database is ready

Solve in your browser

Edit the files below. The Objectives tick green live as you work. Hit Check when they all pass and your verified proof page is issued automatically.

Objectives

  • Not met: The database service defines a healthcheck
  • Met: The app declares a dependency on the database
  • Not met: The app waits for the database to be healthy (depends_on condition service_healthy)

1 of 3 objectives met.

Objectives update live as you edit. Hitting Check commits your proof.

No account needed to explore. When you're ready, browse the rest of the challenges or sign in to save a solve as a verified proof.