Dies on endless redirect

[vstkl]

Given this configuration(keep in mind I am pretty new to the world of networking):

    listen 80 default_server;
    listen [::]:80 default_server;

    server_name _;

    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2 default_server;

    server_name _;

        ssl_certificate     /etc/ssl/cert.pem;
        ssl_certificate_key /etc/ssl/key.pem;

    # Other SSL configuration options
        ssl on;

        location / {
                proxy_pass https://$request_uri;
        }
}```

gixy just runs until it runs out of memory.
I know it's mainly my issue, but maybe limit of redirects would be a good idea.