server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    client_max_body_size 12m;

    location /calendar/api/auth/ {
        proxy_pass http://10.10.10.101:3001/api/auth/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    location /calendar/api/ {
        proxy_pass http://backend:3001/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        add_header Cache-Control "no-store";
    }

    # CalDAV — WebDAV verbs (PROPFIND/REPORT/MKCALENDAR/PUT/DELETE/GET) proxied straight
    # through to the backend, same upstream as /calendar/api/ but its own prefix so native
    # calendar clients (Apple/Google/Outlook) get a clean, stable subscription URL.
    location /calendar/caldav/ {
        proxy_pass http://backend:3001/caldav/;
        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 Authorization $http_authorization;
        proxy_pass_header Authorization;
    }

    location /.well-known/caldav {
        return 301 /calendar/caldav/;
    }

    location /calendar/health {
        proxy_pass http://backend:3001/health;
    }

    location ~* /calendar/.*\.(js|css|png|ico|svg|woff2?)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    location /calendar/ {
        add_header Cache-Control "no-cache" always;
        try_files $uri /calendar/index.html;
    }

    location = / {
        return 301 /calendar/;
    }
}