@Override
    public void deconstruct() {
        server.deregisterContext(context);
    }
@author jonmv

Context that a {@link JettyHttpServer} uses to pass requests to JDisc.
This registers itself with the server upon construction, and unregisters
on deconstruction, and the server always uses the most recent context.
container-core/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyHttpServerContext.java