Jenkins and nexus behind same nginx reverse proxy

jenkins_nexus_same_nginx.conf

server {
	listen 80 default_server;
	listen [::]:80 default_server;
        return 301 https://$host$request_uri;
}

server {
	# SSL configuration
	#
	listen 443 ssl default_server;
	listen [::]:443 ssl default_server;

        ssl_certificate           /etc/nginx/cert.crt;
        ssl_certificate_key       /etc/nginx/cert.key;

        ssl on;
        ssl_session_cache  builtin:1000  shared:SSL:10m;
        ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
        ssl_prefer_server_ciphers on;
        
        client_max_body_size 100M;  
        access_log           /var/log/nginx/jenkins.access.log;
        error_log            /var/log/nginx/jenkins.error.log;
	#
	# Note: You should disable gzip for SSL traffic.
	# See: https://bugs.debian.org/773332
	#
	# Read up on ssl_ciphers to ensure a secure configuration.
	# See: https://bugs.debian.org/765782
	#
	# Self signed certs generated by the ssl-cert package
	# Don't use them in a production server!
	#
	# include snippets/snakeoil.conf;

	root /var/www/html;

	# Add index.php to the list if you are using PHP
	index index.html index.htm index.nginx-debian.html;

	server_name your_domain_name www.your_domain_name;

	location /jenkins {
		# First attempt to serve request as file, then
		# as directory, then fall back to displaying a 404.
		# try_files $uri $uri/ =404;
                auth_basic "Restricted"; #For Basic Auth
                auth_basic_user_file /etc/nginx/.htpasswd;
                # Don't forward auth to jenkins 
                proxy_set_header   Authorization "";
                include /etc/nginx/proxy_params;
                proxy_pass          http://localhost:8080;
                proxy_read_timeout  90s;
                # Fix potential "It appears that your reverse proxy set up is broken" error.
                proxy_redirect      http://localhost:8080 https://your_domain_name/jenkins;
	}
        location / {
		# First attempt to serve request as file, then
		# as directory, then fall back to displaying a 404.
		# try_files $uri $uri/ =404;
                auth_basic "Restricted"; #For Basic Auth
                auth_basic_user_file /etc/nginx/.htpasswd;
                # Don't forward auth to nexus 
                proxy_set_header   Authorization "";
                include /etc/nginx/proxy_params;
                proxy_pass          http://localhost:8081/;
                proxy_read_timeout  90s;
                # Fix potential "It appears that your reverse proxy set up is broken" error.
                proxy_redirect      http://localhost:8081/ https://your_domain_name/nexus;
	}
}