Update enginevariants.html.md

docs/manual/source/deploy/enginevariants.html.md

@@ -18,5 +18,13 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
+In order to deploy multiple variants, then one must specify both the json file containing different variant,
+the port that will be serving that, and the instance-id of the engine . The latter information is delivered at the end of the training, and is also stored in the `````id````` column of the `````pio_meta_engineinstances````` table.
+
+`````
+pio-docker deploy --engine-instance-id cc8d8de1-16c3-438d-a225-aa0a0ceea29f --variant=engine_01.json --port 8001
+pio-docker deploy --engine-instance-id db8048d4-f8a7-4cb8-a64c-f0cab042d511 --variant=engine_02.json --port 8002
+pio-docker deploy --engine-instance-id 939e6029-6744-4e66-a0a7-470fb7d8772e --variant=engine_03.json --port 8003
+pio-docker deploy --engine-instance-id cc8d8de1-16c3-438d-a225-aa0a0ceea29f --variant=engine_04.json --port 8004
+`````
 
-(coming soon)