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path: root/roles/jails/01_ingress/templates/usr_local_etc_nginx_nginx.conf.j2
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worker_processes auto;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    log_format vcombined    '$host:$server_port '
                            '$remote_addr - $remote_user [$time_local] '
                            '"$request" $status $body_bytes_sent '
                            '"$http_referer" "$http_user_agent"';

    access_log /var/log/nginx/access.log vcombined;

    gzip on;
    gzip_vary on;
    gzip_min_length 512;
    gzip_types
        text/plain
        text/css
        application/json
        application/javascript
        application/xml
        image/svg+xml;

    server {
        listen 80 default_server;
        server_name _;

        location / {
            return 404;
        }
    }

    {% for route in ingress_routes -%}
    server {
        listen 80;
        listen [::]:80;
        server_name {{ route.host }};

{% if ssl_enabled %}
        return 307 https://$host$request_uri;
    }

    server {
        server_name {{ route.host }};
        http2 on;

        listen 443 ssl;
        listen [::]:443 ssl;

        # See https://ssl-config.mozilla.org/#server=nginx&version=1.28.0&config=intermediate&openssl=3.4.0&guideline=5.7
        add_header Strict-Transport-Security "max-age=63072000" always;

        # Common hardening headers
        add_header X-Content-Type-Options nosniff always;
        add_header X-Frame-Options DENY always;
        add_header Referrer-Policy strict-origin-when-cross-origin always;
        add_header Permissions-Policy interest-cohort=();

        # Hide "Server: nginx/1.28.0" header
        server_tokens off;

        ssl_certificate /usr/local/etc/letsencrypt/live/{{ cert_name }}/fullchain.pem;
        ssl_certificate_key /usr/local/etc/letsencrypt/live/{{ cert_name }}/privkey.pem;
        include /usr/local/etc/letsencrypt/options-ssl-nginx.conf;
        ssl_dhparam /usr/local/etc/letsencrypt/ssl-dhparams.pem;
{% endif %}

    {% if route.jail is defined -%}
    {% for jail in jails if jail.name == route.jail -%}
        location / {
            proxy_pass http://{{ jail_lan_cidr | ipv4_nth(jail.num + jail_lan_offset | int) }}{% if route.port is defined %}:{{ route.port }}{% endif %};
            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 $scheme;
            {% if route.presets is defined -%}
            {% set directives = [] -%}
            {% for p in route.presets -%}
            {% for d in nginx_presets[p] -%}
            {% if d not in directives -%}{% set _ = directives.append(d) -%}{% endif -%}
            {% endfor -%}
            {% endfor -%}
            {% for directive in directives -%}
            {{ directive }};
            {% endfor -%}
            {% endif %}
        }
    {% endfor %}
    {% elif route.redirect is defined -%}
        return 307 https://{{ route.redirect }}$request_uri;
    {% elif route.ip is defined -%}
        location / {
            proxy_pass http://{{ route.ip }}:{{ route.port }};
            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;

            # TODO: these shouldn't configured for all ip:port proxies but Immich needs them
            proxy_http_version 1.1;
            proxy_set_header Connection "upgrade";
            proxy_set_header Upgrade $http_upgrade;

            # by default nginx times out connections in one minute
            proxy_read_timeout 1d;
            proxy_send_timeout 1d;
            proxy_buffering off;
            proxy_request_buffering off;

            client_max_body_size 10G;
        }
    {% endif %}
    }
    {% endfor %}
}