sudo dnf install nginx -y
# centos 7
sudo amazon-linux-extras install nginx1
sudo systemctl start nginx

curl -i http://localhost
sudo chmod 644 /var/log/nginx
sudo chown -R ec2-user:ec2-user /usr/share/nginx/html
echo "<h1>Hello World</h1>" > /usr/share/nginx/html/hello.html

sudo systemctl enable nginx.service

    location / {
        sendfile off;
        proxy_pass         http://127.0.0.1:3000;
        proxy_redirect     default;
        proxy_http_version 1.1;
        proxy_set_header   Upgrade           $http_upgrade; # for websocket
        proxy_set_header   Connection        "upgrade"; # for websocket
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;
        proxy_max_temp_file_size 0;
    }

        proxy_set_header    X-Real-Ip        $remote_addr;
        proxy_set_header    X-Fowarded-For   $remote_addr;

http {
...
    keepalive_timeout  65;

    gzip  on;
    gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
...
}

client_max_body_size 200M;

user ec2-user;

chown -R ec2-user:ec2-user /usr/share/nginx/html

server {
    # ...
    if ($http_x_forwarded_proto = 'http') {
        return 307 https://$host$request_uri;
    }

server {
    server_name  www.okdevtest.net;
    rewrite ^(.*) http://okdevtest.net$1 permanent;
}

server {
    listen 443 ssl http2;
    server_name okdevtest.net;