adding dockerfile (#6393)

tools/Dockerfile

@@ -0,0 +1,34 @@
+FROM ubuntu
+MAINTAINER zikalino
+
+RUN apt-get update
+RUN apt-get install -y git curl gnupg vim python3 python3-pip git software-properties-common apt-transport-https wget python3-venv nodejs npm libunwind-dev
+
+# install dotnet
+RUN add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main"
+RUN apt-get update
+RUN apt-get install -y libicu55
+
+RUN wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
+RUN dpkg -i packages-microsoft-prod.deb
+RUN apt-get update
+RUN apt-get install -y dotnet-sdk-2.2
+
+# install autorest
+RUN npm install -g autorest
+RUN npm install -g n
+RUN n 10.15.0
+
+RUN pip3 install wheel
+
+# clone repos
+RUN git clone https://github.com/Azure/azure-rest-api-specs.git
+RUN git clone https://github.com/Azure/azure-sdk-for-python.git
+
+# setup virtual env
+RUN cd /azure-sdk-for-python; python3 -m venv env3.7
+ENV VIRTUAL_ENV /azure-sdk-for-python;/env3.7
+ENV PATH /azure-sdk-for-python/env3.7/bin:$PATH
+
+# run setup
+RUN cd /azure-sdk-for-python; python ./scripts/dev_setup.py