public DatastoreEmulatorContainer withFlags(String flags) {
        this.flags = flags;
        return this;
    }
A Datastore container that relies in google cloud sdk.
<p>
Supported images: {@code gcr.io/google.com/cloudsdktool/google-cloud-cli}, {@code gcr.io/google.com/cloudsdktool/cloud-sdk}
<p>
Default port is 8081.
modules/gcloud/src/main/java/org/testcontainers/containers/DatastoreEmulatorContainer.java