Install devDependencies on Heroku

Question

I would like to have Heroku build my app after I push it so that I don\'t have to push the build folder up every time I make a change. However heroku only installs the depen

Answer 1

Keeping NPM_CONFIG_PRODUCTION true, I used Heroku's script hooks:

"scripts": {
  ...
  "heroku-prebuild": "export NPM_CONFIG_PRODUCTION=false; export NODE_ENV=; NPM_CONFIG_PRODUCTION=false NODE_ENV=development npm install --only=dev --dev",
  "heroku-postbuild": "export NPM_CONFIG_PRODUCTION=true; export NODE_ENV=production;",
   ...
},

(Finally) worked for me.