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How to stop Heroku from trying to install Husky

I have a Node app (React) on Heroku and the deploy and build was previous working fine, I have now added Husky, Lint-staged, Craco and WDYR to a new branch which works locally.
Upon trying to deploy and build this branch on Heroku, I am finding that the build fails due to Heroku trying to install Husky despite me not asking it to and it being a development tool. It makes sense that Heroku cannot find Husky as it is a dev dependency.
From what I can see Heroku is running the prepare script from the client package.json, which it shouldn't be.
How can I stop Heroku from trying to install Husky?
Here are my package.json files (haven't included server package.json as I'm not sure it's relevant).
root
{
"engines": {
"node": "12.x"
},
"scripts": {
"start": "cd server && node server.js",
"build": "cd client && npm run build",
"install-server": "cd server && npm ci",
"install-client": "cd client && npm ci",
"heroku-postbuild": "npm run install-server && npm run install-client && npm run build"
}
}
client
{
"name": "qupp",
"version": "1.0.0",
"description": "App that allows users to create playlists using Spotify's API",
"engines": {
"node": "12.x"
},
"scripts": {
"build:css": "postcss src/App.scss -o src/index.css",
"watch:css": "postcss src/App.scss -o src/index.css -w",
"start_new": "PORT=3002 craco start",
"start": "npm run watch:css & PORT=3002 craco start",
"build": "npm run build:css && craco build",
"test": "craco test",
"eject": "react-scripts eject",
"prepare": "cd ../ && husky install ./client/.husky"
},
"proxy": "http://127.0.0.1:8082/",
"author": "Daniel Blythe",
"license": "ISC",
"dependencies": {
"#craco/craco": "^6.3.0",
"#types/jest": "^24.0.17",
"#types/materialize-css": "^1.0.6",
"#types/node": "^12.7.1",
"#types/react": "^16.9.1",
"#types/react-dom": "^16.8.5",
"axios": "^0.18.0",
"babel-preset-es2015-node6": "^0.4.0",
"classnames": "^2.2.6",
"dotenv": "^6.1.0",
"firebase": "^8.2.4",
"http2": "^3.3.7",
"jwt-decode": "^2.2.0",
"morgan": "^1.9.1",
"node-pre-gyp": "^0.11.0",
"node-sass": "^4.9.4",
"postcss-cli": "^6.1.3",
"prop-types": "^15.6.2",
"ramda": "^0.27.1",
"re-base": "^4.0.0",
"react": "^16.8.4",
"react-dom": "^16.8.4",
"react-dropzone": "^10.0.0",
"react-materialize": "^3.3.3",
"react-redux": "^6.0.0",
"react-router-dom": "^4.3.1",
"react-scripts": "4.0.3",
"react-spotify-player": "^1.0.4",
"react-transition-group": "^2.5.0",
"redux": "^4.0.1",
"redux-thunk": "^2.3.0",
"source-map-support": "^0.5.9",
"typescript": "^3.5.3"
},
"devDependencies": {
"#types/classnames": "^2.2.9",
"#types/react-redux": "^7.1.2",
"#welldone-software/why-did-you-render": "^6.2.1",
"autoprefixer": "^9.8.6",
"enzyme": "^3.9.0",
"enzyme-adapter-react-16": "^1.13.0",
"enzyme-to-json": "^3.3.5",
"eslint-config-prettier": "^8.3.0",
"eslint-plugin-no-autofix": "^1.1.2",
"eslint-plugin-prettier": "^3.4.1",
"husky": "^7.0.2",
"jest-dom": "^3.2.2",
"lint-staged": "^11.1.2",
"postcss": "^7.0.36",
"postcss-cli": "^6.1.2",
"prettier": "^2.3.2",
"pretty-quick": "^3.1.1",
"react-test-renderer": "^16.8.6",
"react-testing-library": "^7.0.0",
"tailwindcss": "npm:#tailwindcss/postcss7-compat#^2.2.14"
},
"jest": {
"snapshotSerializers": [
"enzyme-to-json/serializer"
]
},
"browserslist": [
">0.2%",
"not dead",
"not ie <= 11",
"not op_mini all"
]
}
Here is a screenshot of the error:

Here is the best solution:
run npm ci --only=production --ignore-scripts
https://github.com/typicode/husky/issues/920
Following is from Heroku support ticket (I did not check this info):
To cover the --only=production flag, you can set the environment
variable NPM_CONFIG_PRODUCTION=true
https://devcenter.heroku.com/articles/nodejs-support#only-installing-dependencies
While it isn’t possible to add the --ignore-scripts flag to the
install command directly, it can be set via npm config with npm config
set ignore-scripts true and this will achieve the same thing during
installation.
The above command could be included using heroku-specific-build steps.
e.g.;
"scripts": {
"heroku-prebuild": "npm config set ignore-scripts true",
...
}
Alternative solution (but it has a drawback):
You can direct Heroku to only install dependencies by setting environment variables NPM_CONFIG_PRODUCTION=true or YARN_PRODUCTION=true
See https://devcenter.heroku.com/articles/nodejs-support#only-installing-dependencies
This way you won't install devDependencies, assuming husky is in devDependencies (why would it not be?) meaning husky will never install.
The drawback is it won't install with any other devDependencies and i.e. I have there webpack which is required to run on build step. I don't want to move it from devDependencies to dependencies so I cant use this solution.

react-scripts are not executed correctly

The standard scripts for create-react-app are no longer running correctly.
As an example, I needed to access the 'start' script directly from node_modules "node node_modules / react-scripts / scripts / start.js".
The same is happening in the test using jest
"scripts": {
"start": "node node_modules/react-scripts/scripts/start.js",
"build": "react-scripts build",
"test": "jest",
"eject": "react-scripts eject"
},
"devDependencies": {
"eslint": "6.6.0",
"eslint-config-airbnb": "^18.2.0",
"eslint-config-prettier": "^6.11.0",
"eslint-plugin-import": "^2.22.0",
"eslint-plugin-jsx-a11y": "^6.3.1",
"eslint-plugin-react": "^7.20.3",
"eslint-plugin-react-hooks": "^4.0.8",
"jest": "24.9.0",
"prettier": "^2.0.5"
}
GitHub Project

Cannot manage to install jest

I am using npm to install jest in order to perform some tests over my js code.
In order to install it I use the command:
$ npm install --save-dev jest
As described on their website.
However, it fails over and over again with these errors:
What should I do in order to install jest properly?
This is my package.json :
{
"name": "my-app",
"version": "0.1.0",
"private": true,
"devDependencies": {
"babel-preset-env": "^1.7.0",
"jest": "^23.5.0",
"react-scripts": "0.6.1"
},
"dependencies": {
"adal-angular": "^1.0.13",
"axios": "^0.15.3",
"bootstrap": "^3.3.7",
"jquery": "^3.1.1",
"lodash": "^4.16.4",
"react": "^15.4.2",
"react-bootstrap": "^0.30.5",
"react-bootstrap-typeahead": "^1.2.0",
"react-dom": "^15.4.2",
"react-http-request": "^1.0.2"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
},
"description": "This project was bootstrapped with [Create React App]
(https://github.com/facebookincubator/create-react-app).",
"main": "index.js",
"author": "",
"license": "ISC"
}
Current message:
enter image description here

Please install react v16 for this:
npm install --save react#^16.4.2 react-dom#^16.4.2
then run this command:
npm update --save
to get all dependent packages

I simply deleted the node_modules and package-lock.json, and use yarn to re-install everything. And it worked...

Add create-react-app as frontend in express project

I have a custom Express project with a small React front-end builded with gulp.
What I would like to do is to add a create-react-app as second front-end like this one in my project, so I:
created a src/ folder in the root of the project
pasted the src/ form the create-react-app in my project src/
added react-scripts and all the create-react-app dependencies in my package.json
installed all the new dependencies
added "build": "react-scripts build", to my package.json scripts
I would like to build the create-react-app in the default folder /build and respond to all the request that doesn't match my API routes with the index of the builded create-react-app using this code in the routes bottom:
app.get('*', (req, res)=>{
res.sendFile(path.join(__dirname, '..','build','index.html'));
})
But running npm run build I get:
> node-js-scaffolder#0.0.1 build /Users/matt/dev/my-api
> react-scripts build
Could not find a required file.
Name: index.html
Searched in: /Users/matt/dev/my-api/public
I actually have a public/ folder where gulp saves my builded front end together with some images, but react-scripts should look in the src/ folder for the entry point of the create-react-app.
EDIT: my full package.json:
{
"name": "my project",
"version": "0.0.1",
"private": true,
"scripts": {
"build": "react-scripts build",
"start": "npm run gulp -- --production && sequelize db:migrate --config=config/migrations.json --env=production && pm2 startOrReload config/pm2/production.json",
"dev": "npm run gulp dev -- --development",
"gulp": "gulp",
"prestart": "npm install",
"startStaging": "npm install && npm run gulp -- --staging && sequelize db:migrate --config=config/migrations.json --env=staging && pm2 startOrReload config/pm2/staging.json",
"stop": "pm2 stop config/pm2/production.json",
"stopStaging": "pm2 stop config/pm2/staging.json",
"deploy": "git pull && npm start",
"deployStaging": "git pull && npm run startStaging",
},
"dependencies": {
"#babel/runtime": "7.0.0-beta.55",
"#material-ui/core": "1.4.1",
"#material-ui/icons": "2.0.0",
"#types/googlemaps": "3.30.11",
"#types/markerclustererplus": "2.1.33",
"ajv": "6.5.2",
"async": "^2.6.0",
"babel-polyfill": "^6.26.0",
"body-parser": "^1.18.2",
"bunyan": "^1.8.12",
"chance": "^1.0.12",
"chartist": "0.10.1",
"cheerio": "^0.20.0",
"classnames": "2.2.6",
"compression": "^1.7.1",
"connect-flash": "^0.1.1",
"continuation-local-storage": "^3.2.1",
"cookie-parser": "^1.3.3",
"csv-parse": "^2.2.0",
"del": "^2.2.2",
"express": "^4.16.2",
"express-brute": "^1.0.1",
"express-brute-redis": "0.0.1",
"express-jwt": "^3.4.0",
"geolib": "^2.0.24",
"glob": "^6.0.4",
"helmet": "^2.3.0",
"inky": "^1.3.7",
"js-cookie": "^2.2.0",
"jsonwebtoken": "^7.4.3",
"juice": "^2.0.0",
"lodash": "^4.17.4",
"material-ui": "^0.19.3",
"method-override": "^2.3.10",
"minimist": "^1.2.0",
"moment": "^2.19.3",
"moment-timezone": "^0.5.14",
"morgan": "^1.9.0",
"multi-glob": "^1.0.1",
"mysql": "^2.15.0",
"node-fetch": "^2.1.2",
"node-sass": "^3.13.1",
"node-schedule": "^1.2.5",
"nunjucks": "^2.5.2",
"perfect-scrollbar": "1.4.0",
"prop-types": "^15.6.0",
"react": "^16.2.0",
"react-chartist": "0.13.1",
"react-dom": "16.4.1",
"react-dropzone": "^4.2.3",
"react-google-maps": "9.4.5",
"react-redux": "^5.0.6",
"react-router-dom": "4.3.1",
"react-scripts": "1.1.4",
"react-swipeable-views": "0.12.15",
"redux": "^3.7.2",
"redux-thunk": "^2.3.0",
"request": "^2.83.0",
"run-sequence": "^1.2.2",
"sequelize": "^3.31.0",
"serve-favicon": "^2.4.5",
"slugify": "^1.3.0",
"uuid": "^3.1.0",
"validator": "^9.2.0",
"vinyl-buffer": "^1.0.0"
},
}
What am I doing wrong?

I've made a new repository but I still want to serve the create-react-app with express so I've followed this tutorial and created a /client folder in my project and put there all the create-react-app files and folders together with its package.json.
The scripts I use to deploy or lunch in dev mode are the following:
"client": "cd client && yarn start",
"server": "nodemon server.js",
"dev": "concurrently --kill-others-on-fail \"yarn server\" \"yarn client\"",
"build": "yarn && cd client && yarn && yarn build && cd ../",
"deploy": "git pull origin master && yarn build && pm2 restart server.js || pm2 start server.js"
I'd like to know which are the cons of this approach if someone has any experience.

First, eject your create-react-app project like this :
npm run eject or yarn eject
Second, you can configure index.html and public folder path from: [react-project-dir]/config/paths.js
In your case i assume eject command will create a folder in root directory of your project so you can find it in: [project-dir]/config/paths.js
You can change these parameters:
...
appPublic: resolveApp('public'),
appHtml: resolveApp('public/index.html'),
like this:
appPublic: resolveApp('public_react'),
appHtml: resolveApp('public_react/index.html'),

Migrating react project dependencies from node to apache

I have created a react application using create-react-app
but I want to move my application from node to apache and I'm not sure how to handle my project's dependencies. For instance, material-ui's documentation only lists npm on its installation guide.
Is there a way to get these dependencies to work on an apache server?
If so, would it be a separate configuration process for each dependency?
package.json
{
"name": "app",
"version": "0.1.0",
"private": true,
"dependencies": {
"material-ui": "^0.18.6",
"npm": "^5.1.0",
"prop-types": "^15.5.10",
"react": "^15.6.1",
"react-dom": "^15.6.1",
"react-flexbox-grid": "^1.1.3",
"react-router": "^4.1.1",
"react-router-dom": "^4.1.1",
"react-tap-event-plugin": "^2.0.1"
},
"devDependencies": {
"babel-preset-env": "^1.6.0",
"eslint": "^3.19.0",
"eslint-config-airbnb": "^15.0.1",
"eslint-plugin-import": "^2.7.0",
"eslint-plugin-jsx-a11y": "^5.1.0",
"eslint-plugin-react": "^7.1.0",
"react-scripts": "1.0.10"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
}
}

React applications don't depend on any particular server technology - once your build has run, it's just static JavaScript.
Running npm run build in your project's root will create a dist folder with your bundled application inside - all you need to do is deploy the contents of that folder to your Apache server.
See the 'Deploying' section of the create-react-app README for more info.
As an aside - if you've been using create-react-app's built-in server in production, don't! That's just designed for development, and is not performant nor secure enough for serving your app to the world.