Dockerfile to build cortx-py-utils image (#544)

* cortx-utils image

Docker file for building cortx-py-utils image.

Signed-off-by: Arunesh Agrawal <arunesh.agrawal1998@gmail.com>

* fixed codacy errors and warning.

Signed-off-by: Arunesh Agrawal <arunesh.agrawal1998@gmail.com>

* updated working directory.

Signed-off-by: Arunesh Agrawal <arunesh.agrawal1998@gmail.com>

Co-authored-by: Rahul Tripathi <78896910+rahul-tripathi-git@users.noreply.github.com>

py-utils/experiments/docker/Dockerfile

@@ -0,0 +1,36 @@
+FROM centos:7.9.2009
+
+# created a new directory inside home directory
+RUN mkdir -p /home/cortx
+
+
+# defining working directory for use
+WORKDIR /home/cortx
+
+# installing git
+RUN yum install -y git
+
+# using kubernetes branch to clone cortx-py-utils
+RUN git clone --recursive https://github.com/Seagate/cortx-utils -b kubernetes
+
+# installing required python dependencies
+RUN yum install -y gcc rpm-build python36 python36-pip python36-devel python36-setuptools openssl-devel libffi-devel python36-dbus
+
+# changing work directory to use
+WORKDIR /home/cortx/cortx-utils
+
+# build the rpm
+RUN bash jenkins/build.sh -v 1.0.0 -b 2
+
+# installing requirement files
+RUN pip3 install -r py-utils/python_requirements.txt
+RUN pip3 install -r py-utils/python_requirements.ext.txt
+
+#installing cortx-py-utils rpm
+RUN yum install -y  py-utils/dist/cortx-py-utils-*.noarch.rpm
+
+ENTRYPOINT ["tail"]
+
+CMD ["-f","/dev/null"]
+
+