coursework/ansible/roles/site_setup/templates/proxy.conf.j2

upstream backend_servers {
    server {{ backend_ip_1 }}:80;
    server {{ backend_ip_2 }}:80;
}

server {
    listen 80;
    server_name {{ proxy_name }};
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name {{ proxy_name }};

    ssl_certificate /etc/nginx/ssl/{{ proxy_name }}.crt;
    ssl_certificate_key /etc/nginx/ssl/{{ proxy_name }}.key;

    location / {
        proxy_pass http://backend_servers;
        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;
    }
}