Installing Drupal

I am doing a new Drupal website.  I am new to Drupal but I have used other products for other web pages, including a current one that uses Joomla & RSForms.  

The new web site purpose is a membership subscription where members have access to content that the general public does not see.

Memberships are yearly, renewed automatically unless canceled.

An additional service can be purchased (consulting time) as a one time purchases.

The content of the web page is articles with pictures, maybe videos, and a way to ask questions.

I manually installing Drupal 8.6.15 under macOS (10.14.4) with existing MacPorts installations of apache 2.4, mysql 5.7, and php 7.3. Here's how I installed, under my administrator account:

First, I prepared by editing my apache httpd-vhosts.conf file so as to include:

I get this error when adding a content/type:

403 Forbidden You do not have permission to view this page.

I am using nginx with drupal 8.6.15. What could be wrong?

I tried to install Drupal 8 like I always do but ran into something new. An error occurs and the entire Drupal project files and folders fail to install because composer hits a snag at git.drupal.org. I came across this update but I'm not sure how to implement this new authentication, especially using something like WAMP locally or installing Drupal on a Windows machine via composer.

When installing Drupal 8 project on live server it was placed in this directory:
public_html/myproject/web

So in public_html I added  .htaccess with redirect to web folder: