Create nextjs.yml

[Dargon789]

deploy next.js site to pages

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Summary by Sourcery

CI:

• Introduce a Next.js GitHub Actions workflow that builds the app, caches dependencies, and deploys the generated static site to GitHub Pages on main branch pushes and manual runs.

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[sourcery-ai]

Reviewer's Guide

Adds a GitHub Actions workflow to build a Next.js project and deploy it to GitHub Pages on pushes to the main branch or manual dispatch, including package manager detection, build caching, and a separate deployment job.

Sequence diagram for Next.js build and deploy workflow execution

sequenceDiagram
  actor Developer
  participant GitHub_Repository
  participant GitHub_Actions
  participant Build_Job
  participant Deploy_Job
  participant GitHub_Pages

  Developer->>GitHub_Repository: Push to main or trigger workflow_dispatch
  GitHub_Repository->>GitHub_Actions: Trigger workflow nextjs.yml

  GitHub_Actions->>Build_Job: Start build job
  Build_Job->>Build_Job: Checkout repository
  Build_Job->>Build_Job: Detect package manager (yarn or npm)
  Build_Job->>Build_Job: Setup Node 20 with dependency cache
  Build_Job->>Build_Job: Configure Pages for Next.js static_site_generator
  Build_Job->>Build_Job: Restore .next cache
  Build_Job->>Build_Job: Install dependencies
  Build_Job->>Build_Job: Run next build
  Build_Job->>GitHub_Actions: Upload Pages artifact from ./out

  GitHub_Actions->>Deploy_Job: Start deploy job (needs build)
  Deploy_Job->>GitHub_Pages: Deploy artifact using actions/deploy-pages
  GitHub_Pages-->>Deploy_Job: Return page_url
  Deploy_Job-->>GitHub_Actions: Set environment url output

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File-Level Changes

Change	Details	Files
Introduce CI/CD workflow to build and deploy the Next.js site to GitHub Pages.	Create a GitHub Actions workflow triggered on pushes to the main branch and manual workflow_dispatch events. Configure required GitHub Pages permissions and concurrency settings for safe, single-flight deployments. Add a build job that checks out the repository, detects the Node.js package manager, sets up Node 20 with caching, configures GitHub Pages for a Next.js static site, restores the Next.js build cache, installs dependencies, runs the Next.js build, and uploads the build output as a Pages artifact from the ./out directory. Add a deploy job that depends on the build job and publishes the uploaded artifact to GitHub Pages using the actions/deploy-pages action, exposing the deployed page URL via the deployment step outputs.	.github/workflows/nextjs.yml

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[sourcery-ai]

Hey - I've left some high level feedback:

• The workflow always assumes Yarn or npm based solely on yarn.lock/package.json; if you might use pnpm or another manager later, consider extending Detect package manager to detect those lockfiles explicitly to avoid misconfigured installs.
• The artifact upload path is hard-coded to ./out, which only exists for static export setups; consider aligning this with the actual Next.js build output (e.g., respecting output: 'export' or .next), or making it configurable to avoid silent deployment issues if the build directory changes.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The workflow always assumes Yarn or npm based solely on `yarn.lock`/`package.json`; if you might use pnpm or another manager later, consider extending `Detect package manager` to detect those lockfiles explicitly to avoid misconfigured installs.
- The artifact upload path is hard-coded to `./out`, which only exists for static export setups; consider aligning this with the actual Next.js build output (e.g., respecting `output: 'export'` or `.next`), or making it configurable to avoid silent deployment issues if the build directory changes.

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