.htaccess

RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]
RewriteRule . index.php [L]

install_wp_single.sh

#!/bin/sh
wp core download
wp core config
wp db create
wp core install

wp-cli.yml

url: http://wptest.dev
color: true
apache_modules:
  - mod_rewrite

core download:
  locale: it_IT
  path: wp-core

core install:
  title: Test WP
  description: testwp
  url: localhost/testwp
  admin_user: admin
  admin_password: admin
  admin_email: admin@testwp.local

core multisite-install:
  title: Test WP
  description: testwp
  url: wptest.dev
  admin_user: admin
  admin_password: admin
  admin_email: admin@testwp.local


core config:
  dbuser: user
  dbpass: password
  dbname: testwp
  dbhost: localhost
  dbprefix: testwp_
  locale: it_IT
  extra-php: |
    define( 'WP_DEBUG', true );
    define( 'WP_POST_REVISIONS', 3 );
    define( 'WP_ENV', 'development' );