Complete HTTPS configuration with auto http redirect to https

nginx.conf

# https server block
server {
        listen 443 ssl;

        server_name [your_domain] www.[your_domain];
        
        ssl_certificate /etc/letsencrypt/live/[your_domain]/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/[your_domain]/privkey.pem;
        
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';

        root /usr/share/nginx/html;
        index index.html index.htm;

        location / {
                try_files $uri $uri/ =404;
        }
}

# http server block, auto redirect to https
server {
    listen 80;
    server_name [your_domain] www.[your_domain];
    return 301 https://$host$request_uri;
}