Drop using explicit container names Compose will generate names for the containers and containers can connect each other on the network via the service names. This avoids the unnecessary extra "name space" and prepares the application for usage with different project names.

<Context>
    <!-- Override context parameters in web.xml of gwt-client deployment here.
         E.g. uncomment the following to use SSO via GGinA: -->
    <!-- <Parameter name="authentication" value="ggina" override="false"/> -->
</Context>