|  | @@ -57,10 +57,9 @@ RUN pip install --upgrade google-api-python-client oauth2client
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				|  |  |  RUN apt-get update && apt-get install -y python2.7 python-all-dev
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				|  |  |  RUN curl https://bootstrap.pypa.io/get-pip.py | python2.7
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				|  |  |  
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				|  |  | -# Add Debian 'testing' repository
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				|  |  | -RUN echo 'deb http://ftp.de.debian.org/debian testing main' >> /etc/apt/sources.list
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				|  |  | -RUN echo 'APT::Default-Release "stable";' | tee -a /etc/apt/apt.conf.d/00local
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				|  |  | -
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				|  |  | +# Add Debian 'buster' repository, we will need it for installing newer versions of python
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				|  |  | +RUN echo 'deb http://ftp.de.debian.org/debian buster main' >> /etc/apt/sources.list
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				|  |  | +RUN echo 'APT::Default-Release "stretch";' | tee -a /etc/apt/apt.conf.d/00local
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				|  |  |  
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				|  |  |  RUN mkdir /var/local/jenkins
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				|  |  |  
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				|  | @@ -69,11 +68,14 @@ CMD ["bash"]
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				|  |  |  
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				|  |  |  RUN apt-get install -y jq zlib1g-dev libssl-dev
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				|  |  |  
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				|  |  | -COPY get_cpython.sh /tmp
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				|  |  | -RUN apt-get install -y jq build-essential libffi-dev && \
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				|  |  | -  chmod +x /tmp/get_cpython.sh && \
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				|  |  | -  /tmp/get_cpython.sh && \
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				|  |  | -  rm /tmp/get_cpython.sh
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				|  |  | +RUN apt-get install -y jq build-essential libffi-dev
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				|  |  | +
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				|  |  | +RUN cd /tmp && \
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				|  |  | +  wget -q https://github.com/python/cpython/archive/v3.8.0b3.tar.gz && \
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				|  |  | +  tar xzvf v3.8.0b3.tar.gz && \
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				|  |  | +  cd cpython-3.8.0b3 && \
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				|  |  | +  ./configure && \
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				|  |  | +  make install
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				|  |  |  
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				|  |  |  RUN python3.8 -m ensurepip && \
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				|  |  |      python3.8 -m pip install coverage
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