ERR_SSL_PROTOCOL_ERROR: fix nginx

example.conf

server {
        include /etc/nginx/vhost.conf.d/http.conf;

        server_name     example.domain.eus
        root            /var/www/html

        location /search {
                proxy_pass       http://example.domain.eus:8080/search;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        error_log  /var/log/nginx/example-error.log error;
        access_log /var/log/nginx/example-access.log;
}
server {
        include /etc/nginx/vhost.conf.d/http.conf;

        server_name     example.domain.eus
        root            /var/www/html

        location /search {
                proxy_pass       http://example.domain.eus:8080/search;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        error_log  /var/log/nginx/example-error.log error;
        access_log /var/log/nginx/example-access.log;
}

http.conf

listen 80;
if ($server_port = 80) {
       return 302 https://$server_name$request_uri;
}

https.conf

listen 443 ssl;
ssl_certificate     /etc/letsencrypt/live/example.com-0002/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com-0002/privkey.pem;