How to redirect to https through nginx load balancing

worker_processes 2;
error_log logs/error.log;
events {
  worker_connections 65535;
}
http {
  include mime.types;
  default_type application/octet-stream;
  sendfile on;
  keepalive_timeout 65;
 
 
  upstream server_pools {
    server 10.0.0.200:443 weight=1 max_fails=3 fail_timeout=10;
    #server 10.0.0.8:443 weight=1 max_fails=3 fail_timeout=10;
    #server 10.0.0.9:443 weight=1 max_fails=3 fail_timeout=10;
  }
 
  server {
    listen 80;
    server_name localhost;
    rewrite ^(.*)$ https://$host$1 permanent;
  }
  server {
    listen 10.0.0.5:443;
    server_name www.abc.com;
 
    #Open https. Note that it should be added in the server block. Do not put ssl on in the http block;
    ssl_certificate /application/nginx/conf/key/server.crt;
    ssl_certificate_key /application/nginx/conf/key/server.key;
 
    location / {
      proxy_pass https://server_pools;
      proxy_set_header Host $host;
      proxy_set_header X-Forwarded-For $remote_addr;
    }
  }
}