geo $geointel_trusted_forwarder {
    default 0;
    127.0.0.0/8 1;
    ::1/128 1;
    172.16.0.0/12 1;
}

map "$geointel_trusted_forwarder:$http_x_forwarded_proto" $geointel_forwarded_proto {
    default $scheme;
    "1:https" https;
    "1:http" http;
}

server {
    listen 80;
    server_name _;
    client_max_body_size 250m;
    proxy_read_timeout 600s;
    proxy_send_timeout 600s;

    add_header Content-Security-Policy "frame-ancestors 'none'" always;
    add_header X-Frame-Options "DENY" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

    root /usr/share/nginx/html;
    index index.html;

    location = /index.html {
        add_header Cache-Control "no-cache";
        add_header Content-Security-Policy "frame-ancestors 'none'" always;
        add_header X-Frame-Options "DENY" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
        try_files /index.html =404;
    }

    location /assets/ {
        add_header Cache-Control "no-cache";
        add_header Content-Security-Policy "frame-ancestors 'none'" always;
        add_header X-Frame-Options "DENY" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
        try_files $uri =404;
    }

    location /api/ {
        proxy_pass http://backend:8000/api/;
        proxy_http_version 1.1;
        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 $geointel_forwarded_proto;
    }

    location = /health {
        proxy_pass http://backend:8000/health;
        proxy_http_version 1.1;
        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 $geointel_forwarded_proto;
    }

    location = /health/live {
        proxy_pass http://backend:8000/health/live;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
    }

    location = /health/ready {
        proxy_pass http://backend:8000/health/ready;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
    }

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