feat(docker): implemented docker file for installing and verifying sdk

Author: kingsodigie

docker/Dockerfile

@@ -0,0 +1,21 @@
+#Import python runtime with desired python version
+FROM python:3-slim
+
+#Install Git
+RUN apt-get update && \
+    apt-get install -y git
+
+#Clone SDK repo to app directory
+RUN git clone https://github.com/watson-developer-cloud/python-sdk.git
+
+#Set working directory to python-sdk
+WORKDIR /python-sdk
+
+#Pip install dependencies for SDK
+RUN pip install --editable .
+RUN pip install -r requirements-dev.txt
+
+#Run tests to validate installation
+CMD [ "py.test" , "test" ]
+
+