OSC: debian to alpine

osc/Dockerfile

-FROM bitnami/minideb:stretch
-
-RUN install_packages python python-pip python-setuptools python-dev gcc libcurl4-openssl-dev libssl1.0-dev
-RUN pip install wheel
+FROM alpine:3.9
+RUN apk add \
+	python python-dev py2-pip swig \
+	g++ curl curl-dev bash tar git
+RUN pip install wheel six
 RUN pip install build-service-osc pycurl
-RUN ln -s /usr/local/bin/osc-wrapper.py /usr/bin/osc
-RUN apt-get remove --purge -y gcc
-RUN apt-get -y autoremove
-
-CMD bash
+RUN ln -s /usr/bin/osc-wrapper.py /usr/bin/osc
+RUN apk del g++ curl-dev swig python3-dev