Apache installation

Install apache: apt install apache2
Create "web" directory: mkdir /var/www/html/ (it will hold gha databases dumps and other static info on the main domain.)
Copy either apache/www/index_test.html or apache/www/index_prod.html to /var/www/html and adjust this file if needed.
Enable mod proxy, mod rewrite and mod headers:
ln /etc/apache2/mods-available/proxy.load /etc/apache2/mods-enabled/
ln /etc/apache2/mods-available/proxy.conf /etc/apache2/mods-enabled/
ln /etc/apache2/mods-available/proxy_http.load /etc/apache2/mods-enabled/
ln /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled/
ln /etc/apache2/mods-available/headers.load /etc/apache2/mods-enabled/
a2enmod headers
You can enable SSL, to do so You need to follow SSL instruction in SSL (that requires domain name).
service apache2 restart

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