Potsfyi nginx proxying config

gistfile1.nginxconf

upstream potsfyi {
    server 127.0.0.1:8000 fail_timeout=0;
}

server {
    listen 4004;
    server_name _;
    keepalive_timeout 10;

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

    location /static/ {
        root /home/pi/code/potsfyi;  # allows access only to 'static' subdir
    }
}

I had to modify line 12:

proxy_set_header Host $host:4004;

to get the port right, otherwise some redirects were breaking.