Deploy a Strapi API on Heroku in 5 min

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This tutorials isn’t up to date one the last part Adding Environment Variables to Strapi

After creating the file ./config/env/production/database.js you need also :

  • Create your Strapi server config for production. Create file ./config/env/production/server.js and add this code
module.exports = ({ env }) => ({
    proxy: true,
    url: env('MY_HEROKU_URL'),
    app: { 
      keys: env.array('APP_KEYS')
    },
  })
  • After that you need to add variables needed, you can do this manually or with the Heroku CLI
heroku config:set MY_HEROKU_URL=$(heroku info -s | grep web_url | cut -d= -f2)
heroku config:set APP_KEYS=$(cat .env | grep APP_KEYS | cut -d= -f2-)
heroku config:set API_TOKEN_SALT=$(cat .env | grep API_TOKEN_SALT | cut -d= -f2)
heroku config:set ADMIN_JWT_SECRET=$(cat .env | grep ADMIN_JWT_SECRET | cut -d= -f2)
heroku config:set JWT_SECRET=$(cat .env | grep -w JWT_SECRET | cut -d= -f2)
  • And don’t forget to set your production environment - same, manually or with CLI
heroku config:set NODE_ENV=production

After that enjoy !

You can find this on the Strapi doc (at the 7th bullet point - not show in summary little bug I presume) Strapi doc