Original file which worked with HTTPS before went down

ghost

# /etc/nginx/sites-available/ghost

server {
    listen 80;
    server_name blog.netsca.pe;

    location ~ ^/.well-known {
        root /var/www/ghost;
    }

    location / {
        return 301 https://$server_name$request_uri;
    }
}

server {
    listen 443 ssl;
    server_name blog.netsca.pe;

    root /var/www/ghost;
    index index.html index.htm;
    client_max_body_size 10G;

    location / {
        proxy_pass http://localhost:2368;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_buffering off;
    }

    ssl on;
    ssl_certificate /etc/letsencrypt/live/blog.netsca.pe/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/blog.netsca.pe/privkey.pem;
    ssl_prefer_server_ciphers On;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS;

    location ~ ^/(sitemap.xml|robots.txt) {
        root /var/www/ghost/public;
    }

    location ~ ^/.well-known {
        root /var/www/ghost;
    }
}