Merge pull request #680 from kingsodigie/master

Python SDK Dockerfile

Author: ehdsouza

docker/Dockerfile

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+#Import Python Base Image(change version as needed)
+FROM python:3-slim
+
+#Install the python SDK
+RUN pip install --upgrade ibm-watson>=3.2.0

docker/README.md

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+## Docker
+You can use docker to test issues you have with the SDK.
+
+1. Install docker
+    - Mac: https://docs.docker.com/docker-for-mac/install/ 
+    - Windows: https://docs.docker.com/docker-for-windows/install/
+1. Download the dockerfile for this SDK and edit as needed.
+    - Change the python version as needed `FROM python:<your-version>`
+        - For valid python base images on docker see https://hub.docker.com/_/python 
+    - Copy code/file that you wish to test into the dockerfile 
+        - Add line `COPY <src>... <dest>`
+    - Set dockerfile to execute code file 
+        - Add line `CMD [ "<executable>" ]`
+
+    - For more information on dockerfile construction please visit https://docs.docker.com/engine/reference/builder/
+1. Build and run the docker image.
+    - Navigate to docker file directory
+    - To build the docker image run `docker build --tag=<your-tag> .`
+    - To run the docker image run `docker run <your-tag>`