map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 80;
    server_name ${APP_DOMAIN} ${ADMIN_DOMAIN} ${API_DOMAIN};
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name ${APP_DOMAIN};
    ssl_certificate /etc/nginx/certs/server.crt;
    ssl_certificate_key /etc/nginx/certs/server.key;
    root /srv/mobile;
    index index.html;
    server_tokens off;
    add_header X-Content-Type-Options nosniff always;
    add_header Referrer-Policy strict-origin-when-cross-origin always;
    add_header Permissions-Policy "camera=(self), microphone=(self), geolocation=(self)" always;
    add_header Content-Security-Policy "default-src 'self'; img-src 'self' data: blob: https:; media-src 'self' blob: https:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; connect-src 'self' https://${API_DOMAIN} wss://${API_DOMAIN}; frame-src https:;" always;

    location / {
        try_files $uri $uri/ /index.html;
    }
    location ~* \.(?:js|css|png|jpg|jpeg|gif|webp|svg|ico|woff2?)$ {
        expires 7d;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }
}

server {
    listen 443 ssl http2;
    server_name ${ADMIN_DOMAIN};
    ssl_certificate /etc/nginx/certs/server.crt;
    ssl_certificate_key /etc/nginx/certs/server.key;
    root /srv/admin;
    index index.html;
    server_tokens off;
    add_header X-Content-Type-Options nosniff always;
    add_header Referrer-Policy no-referrer always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
    add_header X-Frame-Options DENY always;

    location /admin/v1/ {
        proxy_pass http://api:8888;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
    }
    location = /_app.config.js {
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
        try_files $uri =404;
    }
    location / {
        try_files $uri $uri/ /index.html;
    }
}

server {
    listen 443 ssl http2;
    server_name ${API_DOMAIN};
    ssl_certificate /etc/nginx/certs/server.crt;
    ssl_certificate_key /etc/nginx/certs/server.key;
    server_tokens off;
    client_max_body_size 16m;

    location /ws {
        proxy_pass http://api:8888;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_read_timeout 70s;
    }
    location / {
        proxy_pass http://api:8888;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
    }
}