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All Rules

The Render lexicon provides 6 rules: 3 lint rules and 3 post-synth checks.

IDSeverityCategoryDescription
REN001errorcorrectnessValid Render region
REN002warningsecurityNo secret literals in env vars
REN003errorcorrectnessValid cron schedule

Post-synth checks validate the serialized output after the build pipeline completes.

IDDescription
REN010A native-runtime service must set envSpecificDetails.buildCommand and startCommand
REN011A service must have a repo (git-backed) or an image (image-backed)
REN012A free-plan service cannot set numInstances > 1, autoscaling, or a disk