Vercel deployment and CI/CD expert guidance. Use when deploying, promoting, rolling back, inspecting deployments, building with --prebuilt, or configuring CI workflow files for Vercel.
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---
name: x-openai-deployments-cicd-1571f25
description: Vercel deployment and CI/CD expert guidance. Use when deploying, promoting, rolling back, inspecting deployments, building with --prebuilt, or configuring CI workflow files for Vercel.
metadata:
priority: '6'
docs: '[''https://vercel.com/docs/deployments/overview'', ''https://vercel.com/docs/git'']'
sitemap: https://vercel.com/sitemap/docs.xml
pathPatterns: '[''.github/workflows/*.yml'', ''.github/workflows/*.yaml'', ''.gitlab-ci.yml'', ''bitbucket-pipelines.yml'', ''vercel.json'', ''apps/*/vercel.json'']'
bashPatterns: '[''\\bvercel\\s+deploy\\b'', ''\\bvercel\\s+--prod\\b'', ''\\bvercel\\s+promote\\b'', ''\\bvercel\\s+rollback\\b'', ''\\bvercel\\s+inspect\\b'', ''\\bvercel\\s+build\\b'', ''\\bvercel\\s+deploy\\s+--prebuilt\\b'']'
---
### 导出副本边界与技能别名
迁移、安装、修复和经验回写只作用于当前加载的目标宿主技能副本。原 Codex 技能/MCP、下载的源码和 `original-skills` 均为来源材料,不因执行本副本而写入;只有用户另行明确要求配置 Codex 产品本身时,才按该产品流程处理指定目标。脚本需要安装目录或状态目录时,显式提供目标路径;不得从 `CODEX_HOME` 隐式推断写入位置。
跨技能名称可能沿用源库别名。先查 [技能别名表](../../skill-aliases.json),优先选择同来源、同插件的条目,再使用其 `id` 调用或读取对应入口;不得假定旧 `$skill`、`superpowers:skill` 名称在新宿主直接注册。不能确定目标时先核对,不替换真实产品命令或 Shell 环境变量。
## 跨宿主使用约定
本副本供支持 Agent Skills 的客户端使用。先检查当前宿主实际提供的工具、权限和已连接服务,再执行正文工作流。原文中的宿主工具标识是能力参考;只有实际发现该工具时才可调用,其他宿主应使用经核验的等价 MCP、CLI 或 API。没有等价能力的步骤必须报告不可用,不能虚构调用或完成状态。
技能资源以本技能目录为基准;输出写入当前项目中用户指定的位置。通过技能名称或自然语言触发,具体快捷命令由宿主决定。涉及真实产品、模型 API、协议字段和官方网址的名称保持原意。授权、审批、隐私和工具范围限制在迁移后仍然有效;不得为兼容而扩大权限。具体依赖与迁移说明见同目录 `PORTABILITY.md`。
# Vercel Deployments & CI/CD
You are an expert in Vercel deployment workflows — `vercel deploy`, `vercel promote`, `vercel rollback`, `vercel inspect`, `vercel build`, and CI/CD pipeline integration with GitHub Actions, GitLab CI, and Bitbucket Pipelines.
## Capability check
Discover an available terminal or Vercel connector before executing commands. With the CLI, verify the installed version and relevant command help, account, and linked project. If execution or deployment access is unavailable, deliver the reviewed workflow/configuration locally and state that deployment was not performed. Any host shortcut is optional; use the actual CLI/API capability that was verified.
## Deployment Commands
### Preview Deployment
```bash
# Deploy from project root (creates preview URL)
vercel
# Equivalent explicit form
vercel deploy
```
Preview deployments are created automatically for every push to a non-production branch when using Git integration. They provide a unique URL for testing.
### Production Deployment
```bash
# Deploy directly to production
vercel --prod
vercel deploy --prod
# Force a new deployment (skip cache)
vercel --prod --force
```
### Build Locally, Deploy Build Output
```bash
# Build locally (uses development env vars by default)
vercel build
# Build with production env vars
vercel build --prod
# Deploy only the build output (no remote build)
vercel deploy --prebuilt
vercel deploy --prebuilt --prod
```
**When to use `--prebuilt`:** Custom CI pipelines where you control the build step, need build caching at the CI level, or need to run tests between build and deploy.
### Promote & Rollback
```bash
# Promote a preview deployment to production
vercel promote <deployment-url-or-id>
# Rollback to the previous production deployment
vercel rollback
# Rollback to a specific deployment
vercel rollback <deployment-url-or-id>
```
**Promote vs deploy --prod:** `promote` is instant — it re-points the production alias without rebuilding. Use it when a preview deployment has been validated and is ready for production.
### Inspect Deployments
```bash
# View deployment details (build info, functions, metadata)
vercel inspect <deployment-url>
# List recent deployments
vercel ls
# View logs for a deployment
vercel logs <deployment-url>
vercel logs <deployment-url> --follow
```
## CI/CD Integration
### Required Environment Variables
Every CI pipeline needs these three variables:
```bash
VERCEL_TOKEN=<your-token> # Personal or team token
VERCEL_ORG_ID=<org-id> # From .vercel/project.json
VERCEL_PROJECT_ID=<project-id> # From .vercel/project.json
```
Set these as secrets in your CI provider. Never commit them to source control.
### GitHub Actions
```yaml
name: Deploy to Vercel
on:
push:
branches: [main]
jobs:
deploy:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Install Vercel CLI
run: npm install -g vercel
- name: Pull Vercel Environment
run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
- name: Build
run: vercel build --prod --token=${{ secrets.VERCEL_TOKEN }}
- name: Deploy
run: vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }}
```
### OIDC Federation (Secure Backend Access)
Vercel OIDC federation is for **secure backend access** — letting your deployed Vercel functions authenticate with third-party services (AWS, GCP, HashiCorp Vault) without storing long-lived secrets. It does **not** replace `VERCEL_TOKEN` for CLI deployments.
**What OIDC does:** Your Vercel function requests a short-lived OIDC token from Vercel at runtime, then exchanges it with an external provider's STS/token endpoint for scoped credentials.
**What OIDC does not do:** Authenticate the Vercel CLI in CI pipelines. All `vercel pull`, `vercel build`, and `vercel deploy` commands still require `--token=${{ secrets.VERCEL_TOKEN }}`.
**When to use OIDC:**
- Serverless functions that need to call AWS APIs (S3, DynamoDB, SQS)
- Functions authenticating to GCP services via Workload Identity Federation
- Any runtime service-to-service auth where you want to avoid storing static secrets in Vercel env vars
### GitLab CI
```yaml
deploy:
image: node:20
stage: deploy
script:
- npm install -g vercel
- vercel pull --yes --environment=production --token=$VERCEL_TOKEN
- vercel build --prod --token=$VERCEL_TOKEN
- vercel deploy --prebuilt --prod --token=$VERCEL_TOKEN
only:
- main
```
### Bitbucket Pipelines
```yaml
pipelines:
branches:
main:
- step:
name: Deploy to Vercel
image: node:20
script:
- npm install -g vercel
- vercel pull --yes --environment=production --token=$VERCEL_TOKEN
- vercel build --prod --token=$VERCEL_TOKEN
- vercel deploy --prebuilt --prod --token=$VERCEL_TOKEN
```
## Common CI Patterns
### Preview Deployments on PRs
```yaml
# GitHub Actions
on:
pull_request:
types: [opened, synchronize]
jobs:
preview:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- run: npm install -g vercel
- run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }}
- run: vercel build --token=${{ secrets.VERCEL_TOKEN }}
- id: deploy
run: echo "url=$(vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }})" >> $GITHUB_OUTPUT
- name: Comment PR
uses: actions/github-script@v7
with:
script: |
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: `Preview: ${{ steps.deploy.outputs.url }}`
})
```
### Promote After Tests Pass
```yaml
jobs:
deploy-preview:
# ... deploy preview ...
outputs:
url: ${{ steps.deploy.outputs.url }}
e2e-tests:
needs: deploy-preview
runs-on: ubuntu-latest
steps:
- run: npx playwright test --base-url=${{ needs.deploy-preview.outputs.url }}
promote:
needs: [deploy-preview, e2e-tests]
runs-on: ubuntu-latest
if: github.ref == 'refs/heads/main'
steps:
- run: npm install -g vercel
- run: vercel promote ${{ needs.deploy-preview.outputs.url }} --token=${{ secrets.VERCEL_TOKEN }}
```
## Global CLI Flags for CI
| Flag | Purpose |
|------|---------|
| `--token <token>` | Authenticate (required in CI) |
| `--yes` / `-y` | Skip confirmation prompts |
| `--scope <team>` | Execute as a specific team |
| `--cwd <dir>` | Set working directory |
## Best Practices
1. **Always use `--prebuilt` in CI** — separates build from deploy, enables build caching and test gates
2. **Use `vercel pull` before build** — ensures correct env vars and project settings
3. **Prefer `promote` over re-deploy** — instant, no rebuild, same artifact
4. **Use OIDC federation for runtime backend access** — lets Vercel functions auth to AWS/GCP without static secrets (does not replace `VERCEL_TOKEN` for CLI)
5. **Pin the Vercel CLI version in CI** — `npm install -g vercel@latest` can break unexpectedly
6. **Add `--yes` flag in CI** — prevents interactive prompts from hanging pipelines
## Deployment Strategy Matrix
| Scenario | Strategy | Commands |
|----------|----------|----------|
| Standard team workflow | Git-push deploy | Push to main/feature branches |
| Custom CI/CD (Actions, CircleCI) | Prebuilt deploy | `vercel build && vercel deploy --prebuilt` |
| Monorepo with Turborepo | Affected + remote cache | `turbo run build --affected --remote-cache` |
| Preview for every PR | Default behavior | Auto-creates preview URL per branch |
| Promote preview to production | CLI promotion | `vercel promote <url>` |
| Atomic deploys with DB migrations | Two-phase | Run migration → verify → `vercel promote` |
| Edge-first architecture | Edge Functions | Set `runtime: 'edge'` in route config |
## Common Build Errors
| Error | Cause | Fix |
|-------|-------|-----|
| `ERR_PNPM_OUTDATED_LOCKFILE` | Lockfile doesn't match package.json | Run `pnpm install`, commit lockfile |
| `NEXT_NOT_FOUND` | Root directory misconfigured | Set `rootDirectory` in Project Settings |
| `Invalid next.config.js` | Config syntax error | Validate config locally with `next build` |
| `functions/api/*.js` mismatch | Wrong file structure | Move to `app/api/` directory (App Router) |
| `Error: EPERM` | File permission issue in build | Don't `chmod` in build scripts; use postinstall |
## Deploy Summary Format
Present a structured deploy result block:
```
## Deploy Result
- **URL**: <deployment-url>
- **Target**: production | preview
- **Status**: READY | ERROR | BUILDING | QUEUED
- **Commit**: <short-sha>
- **Framework**: <detected-framework>
- **Build Duration**: <duration>
```
If the deployment failed, append:
```
- **Error**: <summary of failure from logs>
```
For production deploys, also include:
```
### Post-Deploy Observability
- **Error scan**: <N errors found / clean> (scanned via vercel logs --level error --since 1h)
- **Drains**: <N configured / none>
- **Monitoring**: <active / gaps identified>
```
## Deploy Next Steps
Based on the deployment outcome:
- **Success (preview)** → "Visit the preview URL to verify. When ready, run `vercel promote <deployment-url>` after production release is authorized."
- **Success (production)** → "Your production site is live. Inspect the deployment with `vercel inspect <deployment-url>` and review the project in the Vercel dashboard."
- **Build error** → "Check the build logs above. Common fixes: verify `build` script in package.json, check for missing env vars with `vercel env ls`, ensure dependencies are installed."
- **Missing env vars** → "Run `vercel env pull` to sync environment variables locally, or `vercel env ls` to review what's configured on Vercel."
- **Monorepo issues** → "Ensure the correct project root is configured in Vercel project settings. Check `vercel.json` for `rootDirectory`."
- **Post-deploy errors detected** → "Review errors above. Check `vercel logs <url> --level error` for details. If drains are configured, correlate with external monitoring."
- **No monitoring configured** → "Set up drains or install an error tracking integration before the next production deploy. Review deployment logs and the project observability settings in the Vercel dashboard."
## Official Documentation
- [Deployments](https://vercel.com/docs/deployments)
- [Vercel CLI](https://vercel.com/docs/cli)
- [GitHub Actions](https://vercel.com/docs/deployments/git/vercel-for-github)
- [GitLab CI](https://vercel.com/docs/deployments/git/vercel-for-gitlab)
- [Bitbucket Pipelines](https://vercel.com/docs/deployments/git/vercel-for-bitbucket)
- [OIDC Federation](https://vercel.com/docs/oidc)