Redirect one domain to other using apache - apache

Question

Redirection is successful, but When I am trying to make POST call on postman. It gives 404 error for abc#example.com. Like I am redirecting from abc#example.com to def#example.com
Here is my apache conf
<VirtualHost *:80>
ServerName abc#example.com
RewriteEngine on
RewriteCond %{HTTP_HOST} ^abc#example.com [NC]
RewriteRule ^(.*)$ https://def#example.com%{REQUEST_URI} [L]
</VirtualHost>
<IfModule mod_ssl.c>
<VirtualHost *:443>
# Enable HTTP 2
Protocols h2 http/1.1
ServerName abc#example.com
RewriteEngine on
RewriteCond %{HTTP_HOST} ^abc#example.com [NC]
RewriteRule ^(.*)$ https://def#example.com%{REQUEST_URI} [L]
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location />
ProxyPass http://localhost:4000/
ProxyPassReverse http://localhost:4000/
</Location>
RewriteEngine on
RewriteCond %{HTTP:Upgrade} websocket [NC]
RewriteCond %{HTTP:Connection} upgrade [NC]
RewriteRule ^/?(.*) "ws://localhost:4000/$1" [P,L]
ErrorLog /home/ubuntu/abc#example.com/logs/error.log
CustomLog /home/ubuntu/abc#example.com/logs/access.log combined
# Redirect permanent / https://abc#example.com/
SSLCertificateFile /etc/letsencrypt/live/abc#example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/abc#example.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
</VirtualHost>
</IfModule>