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Important Notice

This proof of concept was moved to be part of the Volto monorepo on 2023-12-17. This repository is archived and read-only.

See: https://github.com/plone/volto/tree/main/apps/nextjs

plone-nextjs

This is a proof of concept of a Next.js app using the app router and the upcoming @plone/client and @plone/components. This is intended to serve as playground for the development of both packages.

Development

This repo uses mrs-developer to pull these two packages.

Run

yarn
yarn develop

to pull the repos and make them available to the build.

Deployment at Vercel

Vercel

We are introducing an environment variable API_SERVER_URL. We have to create this environment variable in the Vercel deployment's control panel, specifying the URL where your backend API server is deployed and the route where the api is located (see next section). (eg. API_SERVER_URL=https://my_server_DNS_name/api).

Application rewrite config

In order to avoid CORS and maintain the server counterpart private, our NextJS app should have a rewrite and should be configured as follows:

const nextConfig = {
  // Rewrite to the backend to avoid CORS
  async rewrites() {
    const apiServerURL =
      process.env.API_SERVER_URL ||
      'http://localhost:8080/Plone/%2B%2Bapi%2B%2B';

    return [
      {
        source: '/\\+\\+api\\+\\+/:slug*',
        destination:
          `${apiServerURL}/VirtualHostBase/https/${process.env.NEXT_PUBLIC_VERCEL_URL}%3A443/Plone/%2B%2Bapi%2B%2B/VirtualHostRoot/:slug*`,
      },
    ];
  },
};

Plone Client is using the ++api++ prefix as default, so we should create a redirect in our app pointing to the api server, but using the traditional Plone's VHM config.

NextJS rewrites are picky on the destination field because the library that is used for it does not support URLS with regex operators. Therefore, we can't use the usual ++api++ route for the rewrite. This will allow us to infer the current server URL (even in deployed branches/PRs) without touching the rewrite rules. We will fallback to configure a api route in our reverse proxy of choice.

Plone backend

You have to deploy the Plone backend elsewhere, since Vercel is serverless oriented. We need to setup the rewrite rule in NextJS's rewrite feature as shown in the previous section.

We will fallback to configure a api route in our reverse proxy of choice.

If we are using traefik:

        ## VHM rewrite /api/ (Plone NextJS)
        - "traefik.http.middlewares.mw-backend-vhm-api.replacepathregex.regex=^/api($$|/.*)"
        ## We remove the incoming /api and just use the path
        - "traefik.http.middlewares.mw-backend-vhm-api.replacepathregex.replacement=$$1"

        ## /api router
        - traefik.http.routers.rt-backend-api.rule=Host(`my_server_DNS_name`) && PathPrefix(`/api`)
        - traefik.http.routers.rt-backend-api.entrypoints=https
        - traefik.http.routers.rt-backend-api.tls=true
        - traefik.http.routers.rt-backend-api.service=svc-backend
        - traefik.http.routers.rt-backend-api.middlewares=gzip,mw-backend-vhm-api

Introduction

This is a Next.js project bootstrapped with create-next-app.

Getting Started

First, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.

This project uses next/font to automatically optimize and load Inter, a custom Google Font.

Learn More

To learn more about Next.js, take a look at the following resources:

You can check out the Next.js GitHub repository - your feedback and contributions are welcome!

Deploy on Vercel

The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.

Check out our Next.js deployment documentation for more details.

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