Fixed dockerimage building

Author: korneevm

Dockerfile

@@ -12,9 +12,9 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
 	python3-psycopg2 \
 	nginx \
 	supervisor && \
-    BUILD_DEPS='build-essential python3-dev libxml2-dev libxslt-dev python-lxml zlib1g-dev git' && \
+    BUILD_DEPS='build-essential python3-dev libxml2-dev libxslt-dev libssl-dev libffi-dev python-lxml zlib1g-dev git' && \
     apt-get install -y --no-install-recommends ${BUILD_DEPS} && \
-    pip3 install -U pip setuptools && \
+#    pip3 install -U pip setuptools && \
     pip3 install -U uwsgi
 
 RUN echo "daemon off;" >> /etc/nginx/nginx.conf

requirements.txt

@@ -8,7 +8,7 @@ cffi==1.11.5
 chardet==3.0.4
 codecov==2.0.5
 coverage==4.4.2
-cryptography~>2.3
+cryptography==2.3.*
 dj-database-url==0.4.1
 Django==2.0.1
 django-ckeditor==5.4.0