symposion_app/deploy/nginx.conf

upstream {{ site_name }}_django_wsgi {
    keepalive 2;  # Cache 2 connections.
    server unix:/run/symposion/{{ site_name }}_uwsgi.sock;
}

server {
    listen 80;
    server_name {{ env.domain }};
    return 301 https://{{ env.domain }}$request_uri;
}

server {
    listen 443 ssl http2;
    server_name {{ env.domain }};
    client_max_body_size 50M;
    root /var/www/fossy;

    ssl_certificate /etc/letsencrypt/live/{{ env.domain }}/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/{{ env.domain }}/privkey.pem;

    # Ask for HTTPS for 180 days.
    add_header Strict-Transport-Security "max-age=15552000; includeSubDomains";

    # Advise browsers not to use content type sniffing to reduce chance of XSS attacks.
    add_header X-Content-Type-Options nosniff;

    # Advise browser to only load external content from these sites.
    add_header Content-Security-Policy "script-src 'self' 'unsafe-inline' 'unsafe-eval' https://code.jquery.com/jquery-3.5.1.min.js https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js https://js.stripe.com/v3/ https://r.stripe.com/0";

    location @app {
        # Django web application including static files (via WhiteNoise).
        uwsgi_pass symposion_django_wsgi;
        include uwsgi_params;

        # Disable gzip compression when where traffic might be over SSL
        # to avoid an attack that may compromise Django's CSRF
        # protection. See:
        # https://www.djangoproject.com/weblog/2013/aug/06/breach-and-django/
        gzip off;
    }

    location / {
        try_files $uri $uri/index.html $uri.html @app;
    }

    location /media/ {
        # User-uploaded files and generated reports.
        alias {{ project_dir }}/media/;
        expires 1y;
    }

    location /.well-known/ {
        # Used for "acmi-challenge".
        alias {{ project_dir }}/htdocs/.well-known/;
    }
}