proxy_cache_path /data/nginx/cache/abcapi levels=1:2 keys_zone=abcapi:10m max_size=10g
                 inactive=60m use_temp_path=off;

upstream abcapi_upstream {
    server tasks.abc-api_nginx:8084;

    server dkhost.xai-corp.net:8084   backup;
}

server {
    listen  443 ssl ipv6only=off;
    server_name abcapi.xai-corp.net;
    ssl_certificate     /etc/letsencrypt/live/xai-corp.net/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/xai-corp.net/privkey.pem;

    #Strict-Transport-Security: max-age=15768000
    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains" always;

    location / {
        proxy_pass http://abcapi_upstream;
        proxy_set_header Host              $host;   # required for docker client's sake
        proxy_set_header X-Real-IP         $remote_addr; # pass on real client's IP
        proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection $http_connection;
    }

}