events {
    worker_connections 1024;
}

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

    server {
        listen 3000;
        server_name localhost;
        root /usr/share/nginx/html;
        index index.html;

        location /api/ {
            proxy_pass http://backend:5555/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 $scheme;

            # CORS headers
            add_header Access-Control-Allow-Origin "*" always;
            add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Authorization, Content-Type, Accept" always;
            add_header Access-Control-Allow-Credentials "true" always;

            # Handle preflight
            if ($request_method = OPTIONS) {
                return 204;
            }
        }

        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
            try_files $uri =404;
        }

        location ~* \.(wasm)$ {
            add_header Content-Type application/wasm;
            default_type application/wasm;
            expires max;
            add_header Cache-Control "public, immutable";
            try_files $uri =404;
        }

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