Meteor Nginx configuration with SSL

gistfile1.txt

server {
  listen 80;
  server_name www.example.com;
  # $scheme will get the http protocol
  # and 301 is best practice for tablet, phone, desktop and seo
  # return 301 $scheme://example.com$request_uri;
  # We want to redirect people to the https site when they come to the http site.
  return 301 https://example.com$request_uri;
}

server {
  listen 80;
  server_name example.com;
  # $scheme will get the http protocol
  # and 301 is best practice for tablet, phone, desktop and seo
  # return 301 $scheme://example.com$request_uri;
  # We want to redirect people to the https site when they come to the http site.
  return 301 https://example.com$request_uri;
}

server {
  listen   443;
  server_name example.com;
  client_max_body_size 500M;

  access_log /var/log/nginx/meteorapp.access.log;
  error_log /var/log/nginx/meteorapp.error.log;

  location / {
    proxy_pass http://localhost:3000;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }

  ssl on;
  ssl_certificate /etc/nginx/ssl/star.example.com.pem;
  ssl_certificate_key /etc/nginx/ssl/wildcard.key;
  ssl_verify_depth 3;
}