Local development with PHP and Proxygen on MacOS

hhvm.ini

; Disable <?hh
hhvm.hack.lang.look_for_typechecker = false

; Enable all PHP7 features
hhvm.php7.all = true

; Disable caching for static files
hhvm.server.expires_default = 1

; Make errors pointing to index.php
hhvm.server.error_document404 = index.php
hhvm.server.error_document500 = index.php

; HTTP port
hhvm.server.port = 8000

; Project document root (must be absolute path)
; NOTE: This is UNIX/MacOS environment
hhvm.server.source_root = /Users/USER/git/PROJECT/public

; Use HTTPS
hhvm.server.enable_ssl = true

; How to generate self-signed SSL certificates: 
; https://istmiki.cf/generate-self-signed-ssl-certificates-for-local-development/
hhvm.server.ssl_certificate_dir = /Users/itsmikita/git/esafe/hhvm
hhvm.server.ssl_certificate_file = /Users/itsmikita/git/esafe/hhvm/localhost.crt
hhvm.server.ssl_certificate_key_file = /Users/itsmikita/git/esafe/hhvm/localhost.key

; HTTPS port
hhvm.server.ssl_port = 4000

; Unleash the beast :D
hhvm.server.type = proxygen

package.json

{
  "name": "PROJECT_NAME",
  "version": "3.0.3",
  "description": "Short description about the project.",
  "scripts": {
    "server": "hhvm -m server -c hhvm.ini",
  }
}