nuxt-ssr

Nuxt app in Universal mode (server side rendering) with Firebase hosting
Nuxt :

Vue 2
Vue Router
Vuex
Vue Server Renderer
vue-meta

Requirements

A Firebase project
npm or yarn

Setup

(These are the things we will only need to do once.)

1. Create Nuxt App

Let's run nuxt cli into our project directory. (In my case I'm using vs code's terminal)

$ npx create-nuxt-app src
npx : 350 installé(s) en 38.369s

create-nuxt-app v2.11.1
✨  Generating Nuxt.js project in src
? Project name nuxt-ssr
? Project description My funkadelic Nuxt.js project
? Author name sam-eah
? Choose the package manager Yarn
? Choose UI framework None
? Choose custom server framework None (Recommended)
? Choose Nuxt.js modules
? Choose linting tools (Press <space> to select, <a> to toggle all, <i> to invert selection)
? Choose test framework None
? Choose rendering mode Universal (SSR)
? Choose development tools jsconfig.json (Recommended for VS Code)

🎉  Successfully created project nuxt-ssr

Afterwards, let's make sure dev mode is working

$ yarn --cwd src/ dev

On linux you may have to use sudo everytime you use yarn.
Once we made sure everything is fine, we can close the local server (ctrl + c)

2. Setup Firebase

Install firebase-tools if you haven't already

$ npm i -g firebase-tools

Login if you are not connected

$ firebase login

Then let's run firebase cli, we will need Functions and Hosting

$ firebase init

     ######## #### ########  ######## ########     ###     ######  ########
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     ######    ##  ########  ######   ########  #########  ######  ######
     ##        ##  ##    ##  ##       ##     ## ##     ##       ## ##
     ##       #### ##     ## ######## ########  ##     ##  ######  ########

You're about to initialize a Firebase project in this directory:

  \nuxtssr-firebase

? Are you ready to proceed? Yes
? Which Firebase CLI features do you want to set up for this folder? 
Press Space to select features, then Enter to confirm your choices. 
Functions: Configure and deploy Cloud Functions, 
Hosting: Configure and deploy Firebase Hosting sites

=== Project Setup

First, let's associate this project directory with a Firebase project.
You can create multiple project aliases by running firebase use --add,
but for now we'll just set up a default project.

? Please select an option: Use an existing project
? Select a default Firebase project for this directory: <your firebase project>
i  Using project <your firebase project>

=== Functions Setup

A functions directory will be created in your project with a Node.js
package pre-configured. Functions can be deployed with firebase deploy.

? What language would you like to use to write Cloud Functions? JavaScript
? Do you want to use ESLint to catch probable bugs and enforce style? No
+  Wrote functions/package.json
+  Wrote functions/index.js
+  Wrote functions/.gitignore
? Do you want to install dependencies with npm now? No

=== Hosting Setup

Your public directory is the folder (relative to your project directory) that
will contain Hosting assets to be uploaded with firebase deploy. If you
have a build process for your assets, use your build's output directory.

? What do you want to use as your public directory? public
? Configure as a single-page app (rewrite all urls to /index.html)? No
+  Wrote public/404.html
+  Wrote public/index.html

i  Writing configuration info to firebase.json...
i  Writing project information to .firebaserc...
i  Writing gitignore file to .gitignore...

+  Firebase initialization complete!

3. Files to modify

These are the files we need to modify

`functions/index.js`

First let's write an index.js in /functions

const functions = require('firebase-functions')
const { Nuxt } = require('nuxt-start')

const config = {
  dev: false, // disable hot reload for cloud functions, always leave to false
  debug: true, // leave true for testing change to false for production
  buildDir: 'nuxt',
};
const nuxt = new Nuxt(config)

exports.nuxtApp = functions.https.onRequest((req, res) => nuxt.render(req, res))

`src/nuxt.config.js`

Change nuxt building directory (the folder where the application is built after running nuxt build)

  /*
  ** Build configuration
  */
  buildDir: '../functions/nuxt',
  build: {
    /*
    ** You can extend webpack config here
    */
    extend (config, ctx) {
    }
  }

This will build the /nuxt directory inside /functions

`firebase.json`

Add rewrites inside hosting
Also add a predeploy script to automatically build before every deployment

{
  "hosting": {
    "predeploy": [
      "yarn --cwd src/ build"
    ],
    "public": "public",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "rewrites": [{
      "source": "**",
      "function": "nuxtApp"
    }]
  }
}

`src/package.json`

Here we just want to modify the build script to automatically copy the static assets into /public

Linux:

"build": "nuxt build && rm -rf ../public/* && cp -R ../functions/nuxt/dist/client ../public && cp -R static/* ../public",

Windows:

"build": "nuxt build && del ..\\public\\* /Q && xcopy ..\\functions\\nuxt\\dist\\client ..\\public\\ /e /y && xcopy static\\* ..\\public\\ /e /y",

`functions/package.json`

We need to add ALL the packages we have in src/package.json
Simply copy ALL the dependencies and devDependencies from there
It should look like this afterwards :

{
  "name": "functions",
  "description": "Cloud Functions for Firebase",
  "scripts": {
    "serve": "firebase serve --only functions",
    "shell": "firebase functions:shell",
    "start": "npm run shell",
    "deploy": "firebase deploy --only functions",
    "logs": "firebase functions:log"
  },
  "engines": {
    "node": "8"
  },
  "dependencies": {
    "firebase-admin": "^8.0.0",
    "firebase-functions": "^3.1.0"
  },
  "devDependencies": {
    "firebase-functions-test": "^0.1.6"
  },
  "private": true
}

4. Setup nuxt-start

Add nuxt-start into /functions (specify --ignore-engines not to have a node version error)

$ yarn --cwd functions add nuxt-start --ignore-engines

Deploy

(The things we have to do before each deployment)

1. Install functions modules

We have to run this command everytime we add a dependency/devDependency
(You don't need to do it after adding nuxt-start, since it will be done already)

$ yarn --cwd functions --ignore-engines

2. Deploy

$ firebase deploy

That's it!

sam-eah/nuxtssr-firebase

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