+        && buildDeps='tcl-dev tk-dev libffi-dev libpq-dev' \

+WORKDIR /app

+RUN pip3 install --no-cache-dir --upgrade -r requirements.txt

+ENV PATH /usr/local/bin:$PATH

+ENV LANG C.UTF-8

+RUN apt-get update && apt-get install -y --no-install-recommends \

+                tcl \

+                tk \

+        && rm -rf /var/lib/apt/lists/*

+

+ENV GPG_KEY 97FC712E4C024BBEA48A61ED3A5CA953F73C700D

+ENV PYTHON_VERSION 3.5.3

+ENV PYTHON_PIP_VERSION 9.0.1

+RUN set -ex \

+        && buildDeps=' \

+                tcl-dev \

+                tk-dev \ 

+                libffi-dev \ 

+                libpq-dev

+        ' \

+        && apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \

+        \

+        && wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \

+        && wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \

+        && export GNUPGHOME="$(mktemp -d)" \

+        && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \

+        && gpg --batch --verify python.tar.xz.asc python.tar.xz \

+        && rm -r "$GNUPGHOME" python.tar.xz.asc \

+        && mkdir -p /usr/src/python \

+        && tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \

+        && rm python.tar.xz \

+        \

+        && cd /usr/src/python \

+        && ./configure \

+                --enable-loadable-sqlite-extensions \

+                --enable-shared \

+        && make -j$(nproc) \

+        && make install \

+        && ldconfig \

+        \

+# explicit path to "pip3" to ensure distribution-provided "pip3" cannot interfere

+        && if [ ! -e /usr/local/bin/pip3 ]; then : \

+                && wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \

+                && python3 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \

+                && rm /tmp/get-pip.py \

+        ; fi \

+        && pip3 install --no-cache-dir --upgrade --force-reinstall "pip==$PYTHON_PIP_VERSION" \

+        && [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \

+        \

+        && find /usr/local -depth \

+                \( \

+                        \( -type d -a -name test -o -name tests \) \

+                        -o \

+                        \( -type f -a -name '*.pyc' -o -name '*.pyo' \) \

+                \) -exec rm -rf '{}' + \

+        && apt-get purge -y --auto-remove $buildDeps \

+        && rm -rf /usr/src/python ~/.cache

+RUN cd /usr/local/bin \

+        && { [ -e easy_install ] || ln -s easy_install-* easy_install; } \

+        && ln -s idle3 idle \

+        && ln -s pydoc3 pydoc \

+        && ln -s python3 python \

+        && ln -s python3-config python-config

+RUN apt-get update && apt-get install -y libtiff4-dev libjpeg8-dev zlib1g-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev supervisor

+RUN mkdir -p /var/log/supervisor

+RUN mkdir /app

+ADD app/ /app