Quarkus Java

package org.acme;

import jakarta.ws.rs.GET;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.Response;
import java.util.Base64;

@Path("/pixel.gif")
public class PixelResource {

    private static final byte[] GIF = Base64.getDecoder().decode("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==");

    @GET
    @Produces("image/gif")
    public Response pixel() {
        return Response.ok(GIF).header("Cache-Control", "no-store").build();
    }
}