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chore: implement automated dependency management with Renovate
- Set up Renovate for automatic dependency updates - Configure smart grouping of related dependencies - Add automerge rules for safe updates (minor/patch for dev, patch for prod) - Create self-hosted Renovate workflow via GitHub Actions - Schedule updates for off-hours to minimize disruption - Add comprehensive documentation for dependency management
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‎.github/renovate-automerge.json5‎

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{
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// Automerge configuration for Renovate
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"packageRules": [
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// Automerge for non-major devDependencies
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{
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"description": "Automatically merge minor and patch updates for dev dependencies",
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"matchDepTypes": ["devDependencies"],
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"matchUpdateTypes": ["minor", "patch"],
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"automerge": true,
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"platformAutomerge": true
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},
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// Automerge for patch-only production dependencies
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{
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"description": "Automatically merge patch updates for production dependencies",
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"matchDepTypes": ["dependencies"],
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"matchUpdateTypes": ["patch"],
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"automerge": true,
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"platformAutomerge": true,
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"prCreation": "immediate"
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},
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// Automerge GitHub Action updates
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{
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"description": "Automatically merge GitHub Actions",
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"matchManagers": ["github-actions"],
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"matchUpdateTypes": ["minor", "patch"],
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"automerge": true,
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"platformAutomerge": true
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},
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// Skip certain dependency types or packages from automerge
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{
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"description": "Don't automerge major dependency updates",
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"matchUpdateTypes": ["major"],
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"automerge": false
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},
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// Handle peer dependencies correctly
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{
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"description": "Widen ranges for peer dependencies",
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"matchDepTypes": ["peerDependencies"],
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"rangeStrategy": "widen"
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}
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],
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// Avoid weekend PRs for major changes
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"major": {
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"schedule": ["after 10pm and before 5am every weekday"]
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},
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// Additional automerge settings
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"transitiveRemediation": true,
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"minimumReleaseAge": "3 days"
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}

‎.github/renovate-groups.json5‎

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{
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// Package grouping configuration for Renovate
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"packageRules": [
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// Group all non-major dependencies
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{
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"description": "Group all non-major dependencies together",
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"matchPackagePatterns": ["*"],
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"matchUpdateTypes": ["minor", "patch"],
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"groupName": "all non-major dependencies",
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"groupSlug": "all-minor-patch"
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},
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// Group TypeScript ecosystem
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{
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"description": "Group TypeScript and related tooling",
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"matchPackagePatterns": [
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"^@tsconfig/",
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"^typescript",
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"^ts-",
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"^@types/"
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],
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"groupName": "typescript ecosystem",
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"groupSlug": "typescript"
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},
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// Group formatting and linting tools
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{
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"description": "Group formatting and linting tools",
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"matchPackagePatterns": [
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"^@biomejs/",
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"^eslint",
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"^@eslint",
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"^prettier"
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],
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"groupName": "linting and formatting",
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"groupSlug": "linting-formatting"
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},
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// Group testing tools
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{
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"description": "Group testing dependencies",
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"matchPackagePatterns": [
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"^vitest",
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"^@vitest/",
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"^jest",
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"^@jest/"
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],
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"groupName": "testing dependencies",
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"groupSlug": "testing"
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},
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// Group monorepo tooling
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{
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"description": "Group monorepo tooling",
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"matchPackagePatterns": [
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"^@changesets/",
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"^turbo",
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"^lerna",
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"^nx"
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],
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"groupName": "monorepo tooling",
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"groupSlug": "monorepo-tools"
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},
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// Group GitHub Actions
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{
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"description": "Group GitHub Actions",
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"matchManagers": ["github-actions"],
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"groupName": "GitHub Actions",
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"groupSlug": "github-actions"
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},
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// Group internal workspace packages
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{
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"description": "Group internal workspace packages",
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"matchPackagePatterns": [
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"^@monorepo/"
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],
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"matchUpdateTypes": ["major", "minor", "patch"],
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"groupName": "internal packages",
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"groupSlug": "internal-deps"
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}
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]
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}

‎.github/workflows/renovate.yml‎

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name: Renovate
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on:
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# Schedule: run every day at 2am
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schedule:
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- cron: '0 2 * * *'
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# Run on demand via workflow_dispatch
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workflow_dispatch:
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inputs:
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logLevel:
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description: 'Renovate log level'
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required: true
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default: 'info'
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type: choice
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options:
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- debug
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- info
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- warn
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- error
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dryRun:
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description: 'Dry run'
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type: boolean
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default: false
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# Prevent multiple Renovate runs from happening simultaneously
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concurrency:
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group: renovate
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cancel-in-progress: false
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jobs:
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renovate:
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name: Renovate
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runs-on: ubuntu-latest
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# Allow renovate to create PRs
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permissions:
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contents: write
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pull-requests: write
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issues: write
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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# Use custom docker-based renovate to run self-hosted
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- name: Self-hosted Renovate
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uses: renovatebot/github-action@v40.0.4
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with:
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configurationFile: renovate.json5
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token: ${{ secrets.GITHUB_TOKEN }}
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env:
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LOG_LEVEL: ${{ inputs.logLevel || 'info' }}
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DRY_RUN: ${{ inputs.dryRun == true && 'full' || '' }}
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RENOVATE_BASE_BRANCHES: 'main'
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RENOVATE_EXTENDS: 'config:recommended,group:allNonMajor'
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# Include local configuration files
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RENOVATE_CONFIG_FILE: 'renovate.json5'
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RENOVATE_EXTENDS_FROM: |
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.github/renovate-automerge.json5
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.github/renovate-groups.json5

‎docs/DEPENDENCY_MANAGEMENT.md‎

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# Dependency Management
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This project uses [Renovate](https://docs.renovatebot.com/) to automate dependency updates across the monorepo. This document describes how dependency updates are managed and how to work with the system.
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## Overview
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Renovate automatically:
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1. Monitors all dependencies in the monorepo
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2. Creates pull requests for updates
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3. Groups related updates together to reduce PR noise
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4. Automatically merges safe updates
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5. Maintains a dependency dashboard
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## Configuration Files
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The Renovate configuration is split across several files:
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- `renovate.json5` - Main configuration file
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- `.github/renovate-automerge.json5` - Auto-merge settings
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- `.github/renovate-groups.json5` - Package grouping settings
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- `.github/workflows/renovate.yml` - GitHub workflow for self-hosted Renovate
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## Update Schedule
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Renovate is configured to run:
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- Daily at 2:00 AM UTC via GitHub Actions
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- Only creates PRs during off-hours (after 10pm and before 5am on weekdays, and on weekends)
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- Lock file maintenance on Monday mornings
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- Can be triggered manually via GitHub Actions workflow dispatch
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## Update Strategy
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The system follows these strategies:
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1. **Minor and patch updates** are grouped together and auto-merged if tests pass
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2. **Dev dependencies** are automatically merged for minor and patch versions
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3. **Production dependencies** have stricter rules, with only patch versions auto-merged
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4. **Major updates** require manual review and approval
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5. **GitHub Actions** are automatically updated for minor and patch versions
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## Package Grouping
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Dependencies are grouped into logical categories:
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- TypeScript ecosystem (TypeScript, tsconfig, type definitions)
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- Linting and formatting tools (Biome, ESLint, Prettier)
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- Testing tools (Vitest, Jest)
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- Monorepo tooling (Changesets, Turborepo)
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- Internal workspace packages
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## Working with Renovate
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### Dependency Dashboard
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Renovate maintains a dependency dashboard as a pinned issue in the repository. This provides:
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- Overview of all pending updates
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- PRs that need attention
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- Rejected/ignored updates
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- Upcoming major updates
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### Manual Control
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You can influence Renovate behavior:
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- Add `renovate:disable` comment in a PR to prevent Renovate from rebasing it
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- Add specific packages to `ignoreDeps` in configuration to prevent updates
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- Use the dashboard to manually trigger specific updates
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### Best Practices
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1. **Review major updates carefully** - These can contain breaking changes
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2. **Don't modify package.json versions directly** - Let Renovate manage this
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3. **Use the dashboard** to monitor and manage update flow
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4. **Create changeset entries** for dependency updates that affect consumers
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## Troubleshooting
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If Renovate isn't working as expected:
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1. Check the Renovate logs in GitHub Actions
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2. Verify configuration files are valid JSON5
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3. Look at the dependency dashboard for errors
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4. Run Renovate manually via workflow dispatch with debug logging
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## Further Reading
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- [Renovate Documentation](https://docs.renovatebot.com/)
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- [Renovate GitHub Action](https://github.com/renovatebot/github-action)
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- [Monorepo Support in Renovate](https://docs.renovatebot.com/getting-started/installing-onboarding/#monorepos)

‎renovate.json‎

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{
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"$schema": "https://docs.renovatebot.com/renovate-schema.json",
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"extends": [
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"config:recommended",
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":semanticCommits",
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"helpers:pinGitHubActionDigests"
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],
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"baseBranches": ["main"],
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"rangeStrategy": "bump",
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"dependencyDashboard": true,
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"schedule": ["after 10pm and before 5am every weekday", "every weekend"],
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"prConcurrentLimit": 5,
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"prHourlyLimit": 2,
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"packageRules": [
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{
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"matchDepTypes": ["devDependencies"],
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"matchUpdateTypes": ["minor", "patch"],
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"automerge": true
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},
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{
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"matchPackagePatterns": ["*"],
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"matchUpdateTypes": ["minor", "patch"],
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"groupName": "all non-major dependencies",
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"groupSlug": "all-minor-patch"
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},
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{
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"matchPackagePatterns": ["^@biomejs/", "^typescript"],
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"groupName": "typescript and formatting dependencies",
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"groupSlug": "typescript-formatting"
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},
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{
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"matchPackagePatterns": ["^vitest", "^@vitest/"],
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"groupName": "testing dependencies",
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"groupSlug": "testing-deps"
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},
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{
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"matchPackagePatterns": ["^@changesets/", "turbo"],
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"groupName": "monorepo tooling",
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"groupSlug": "monorepo-tools"
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},
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{
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"matchDepTypes": ["peerDependencies"],
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"rangeStrategy": "widen"
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}
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],
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"lockFileMaintenance": {
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"enabled": true,
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"schedule": ["before 5am on monday"]
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},
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"ignoreDeps": [
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"pnpm"
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],
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"commitMessagePrefix": "chore(deps):",
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"commitMessageAction": "update",
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"commitMessageTopic": "{{depName}}",
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"commitBodyTable": true,
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"pnpmShrinkwrap": true,
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"npmrc": "@monorepo:registry=https://registry.npmjs.org/"
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}

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