node.js app with nginx 502 bad gateway error

Question

i am configuring my node.js app with nginx. It is working fine for http but it is not working for https. When i try to access secure domain. i get this error.

502 Bad Gateway
nginx/1.4.6 (Ubuntu)

Here is my nginx conf file

    upstream node_app_dev {
        server 127.0.0.1:3000;
    }

    upstream node_app_production {
        server 127.0.0.1:3000;
    }

server {
    listen 80;
    server_name mydomain.com;
    access_log /var/log/nginx/dev.log;
    error_log /var/log/nginx/dev.error.log debug;

    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarder-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://node_app_dev;
        proxy_redirect off;
    }
}


server {
    listen 443 ssl;
    server_name mydomain.com;
    access_log /var/log/nginx/secure.log;
    error_log /var/log/nginx/secure.error.log debug;    

    ssl on;
    ssl_certificate certs/mycert.crt;
    ssl_certificate_key certs/mykey.key;

    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarder-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;        
        proxy_pass https://node_app_production;
        proxy_redirect off;

    }    
}

Answer 1

Replace

proxy_pass https://node_app_production;

with

proxy_pass http://node_app_production;

Restart the nginx and you should be all set. See nginx proxy pass Node, SSL?