Reset project directory of apache web server virtual host having let's encrypt ssl certificate installed - server

Question

I have a website www.example.com that is hosted on apache2 web server in /var/www/example.com directory and the virtual host config file is
<VirtualHost *:80>
ServerAdmin admin#gmail.com
ServerName example.com
ServerAlias www.example.com
DocumentRoot /var/www/example.com/public
<Directory /var/www/example.com/public/>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
<IfModule mod_dir.c>
DirectoryIndex index.php index.pl index.cgi index.html index.xhtml >
</IfModule>
</VirtualHost>
I have installed let's encrypt certificate for this domain.
Now I have to change configuration settings and the config file should be like this:
<VirtualHost *:80>
ServerAdmin admin#gmail.com
ServerName example.com
ServerAlias www.example.com
DocumentRoot /var/www/example.com/dist //here is the change
<Directory /var/www/example.com/dist/> //here is the change
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
<IfModule mod_dir.c>
DirectoryIndex index.php index.pl index.cgi index.html index.xhtml >
</IfModule>
</VirtualHost>
I have edited the config file and ran command certbot --apache -d example.com -d www.example.com.
Chose reinstall and renew both options and the installation was successful in both cases. But when I go to example.com then it shows 404 error.
How can I solve my problem?

Answer 1

HTTPS uses port 443, not port 80. Port 443 is closed. You need to add a new virtual host to handle HTTPS request
<VirtualHost *:443>
ServerName example.com
#ServerAlias www.example.com
ServerAdmin admin#gmail.com
DocumentRoot /var/www/example.com/dist
LogLevel debug ssl:info
SSLEngine on
SSLCertificateFile /path/to/yout/cert
SSLCertificateKeyFile //path/to/yout/key
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
If you check ports.conf under /etc/apache2, you will see this:
<IfModule ssl_module>
Listen 443
</IfModule>
Apache2 will open port 443 when the SSL module is enabled. So remember to run:
sudo a2dismod ssl
sudo systemctl restart apache2