myflaskapp.conf

server {
        listen 80;
        server_name dronefeedback.colorado.edu;

        location / {
                proxy_pass http://localhost:5000;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
        }
}

server {
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        server_name dronefeedback.colorado.edu;

        ssl_certificate "/etc/pki/nginx/dronefeedback.colorado.edu.cer";
        ssl_certificate_key "/etc/pki/nginx/private/dronefeedback.colorado.edu.key";
        ssl_session_cache shared:SSL:1m;
        ssl_session_timeout 10m;
        ssl_ciphers PROFILE=SYSTEM;
        ssl_prefer_server_ciphers on;

        location / {
                proxy_pass http://localhost:5000;
                proxy_set_header Host $host;
                proxy_set_header X-Real_IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
        }

        error_page 404 /404.html;
        location = /404.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
}