# partly generated 2022-01-08, Mozilla Guideline v5.6, nginx 1.17.7, OpenSSL 1.1.1k, intermediate configuration
# https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
server {
    # Listen on a custom port for the proxy protocol.
    listen 8443 ssl http2 proxy_protocol;
    # Make use of the ngx_http_realip_module to set the $remote_addr and
    # $remote_port to the client address and client port, when using proxy
    # protocol.
    # First set our proxy protocol proxy as trusted.
    set_real_ip_from 172.31.17.140;
    # Then tell the realip_module to get the addreses from the proxy protocol
    # header.
    real_ip_header proxy_protocol;

    server_name onlyoffice.hamburg.ccc.de;

    ssl_certificate /etc/letsencrypt/live/onlyoffice.hamburg.ccc.de/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/onlyoffice.hamburg.ccc.de/privkey.pem;
    # verify chain of trust of OCSP response using Root CA and Intermediate certs
    ssl_trusted_certificate /etc/letsencrypt/live/onlyoffice.hamburg.ccc.de/chain.pem;

    # replace with the IP address of your resolver
    resolver 1.1.1.1;

    location / {
        proxy_set_header Host $host;
        # This is https in any case.
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        # HSTS (ngx_http_headers_module is required) (63072000 seconds)
        add_header Strict-Transport-Security "max-age=63072000" always;

        proxy_pass http://127.0.0.1:8080/;
    }
}