Included Docker build instructions

README.md

@@ -33,6 +33,38 @@ For deployment of a model the framework is part of the runtime docker. However,
 python start.py MODEL_NAME -mf PATH_TO_FRAMEWORK
 ```
 
+### Docker Build Instructions
+
+#### How to build the Docker images
+
+Execute the docker build command **from the modelhub-engine directory**,
+with the following command:
+
+```
+docker build -t <name+tag> -f docker/<docker-file-name> .
+```
+
+#### How to push an image to DockerHub
+
+Make sure the Docker name starts with "modelhub/" and the tag should also be
+a unique version number (e.g. "modelhub/release:1.2.3").
+
+Then login to docker with your credentials:
+```
+docker login
+```
+
+Upload the docker you created:
+```
+docker push <name+tag>
+```
+
+Logout:
+```
+docker logout
+```
+
+
 ### Python Package Instructions
 
 To build a new version: