2 way SSL between nginx and backend server - node.js

Question

I have a backend server on Node.js and I am trying to setup 2 way SSL between Nginx and this backend server.
But I get an error as:
2015/11/02 06:51:02 [error] 12840#12840: *266 upstream SSL certificate does not match "myLocalMachine" while SSL handshaking to upstream,
and this is when I set proxy_ssl_verify on. If its off then it works fine. Following is my Nginx setup:
upstream myLocalMachine {
server MyPublicIP:8888;
}
server {
listen 8222 ssl;
proxy_cache two;
ssl_certificate /etc/nginx/ssl/server-cert.pem;
ssl_certificate_key /etc/nginx/ssl/server-key.pem;
ssl_client_certificate /etc/nginx/ssl/client-cert.pem;
ssl_verify_client on;
location / {
proxy_ssl_session_reuse off;
proxy_ssl_verify on;
proxy_ssl_trusted_certificate /etc/nginx/ssl/backend-server-cert.pem;
proxy_ssl_certificate /etc/nginx/ssl/server-cert.pem;
proxy_ssl_certificate_key /etc/nginx/ssl/server-key.pem;
proxy_ssl_password_file /etc/nginx/ssl/pwd.pass;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
proxy_pass https://myLocalMachine;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_cache_valid any 1m;
proxy_cache_min_uses 1;
#proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment;
proxy_cache_methods GET HEAD POST;
proxy_cache_key "$request_body";
}
}

Answer 1

Solution:
I had used url in certificates lets say: example.com but I was using some
custom name as myLocalMachine in upstream and proxy_pass which I replaced it with url.
Use url in upstream block & proxy_pass as below
upstream example.com {
# ip & ports are for examples
server 11.11.11.11:2222;
}
proxy_pass https://example.com;