Add self-hosted Renovate for automated image bump PRs#24
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Renovate scans the Helm chart values.yaml (helm-values manager) and docker/compose.*.yaml (docker-compose manager) and opens PRs when newer tags are published for zfnd/zebra, electriccoinco/zcashd, electriccoinco/lightwalletd, and the other tracked images. Runs self-hosted via .github/workflows/renovate.yml on an hourly cron, using a RENOVATE_TOKEN repo secret (PAT with repo + workflow scopes). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Adds self-hosted Renovate so the repo automatically opens PRs when newer Docker tags are published for our images.
renovate.json— config (validated with Renovate's officialrenovate-config-validator)..github/workflows/renovate.yml— runs Renovate on an hourly cron + manualworkflow_dispatch.What it tracks (via built-in managers, no fragile regex)
helm-valuesmanager →charts/zcash-stack/values.yaml:zfnd/zebra,electriccoinco/zcashd,electriccoinco/lightwalletd,emersonian/zcash-explorer,emersonian/zcash-zaino,osminogin/tor-simple.docker-composemanager →docker/compose.*.yamlimage refs.The three core node images (
zebra/zcashd/lightwalletd) are grouped into one PR. Images pinned to:latest(busybox init containers, etc.) are intentionally left alone.repo+workflowscopes — or fine-grained with Contents/Pull requests/Workflows: RW on this repo).RENOVATE_TOKEN(Settings → Secrets and variables → Actions).Without the secret the workflow runs but can't open PRs.
🤖 Generated with Claude Code