[gimp-web/oscp] Enable EPEL for python2-pip

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit ddbf5b9fb0e8a8709a881c0c1e52eb94abda09da
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed Mar 18 12:46:28 2020 +0100

    Enable EPEL for python2-pip

 testing.gimp.org/Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/testing.gimp.org/Dockerfile b/testing.gimp.org/Dockerfile
index 9e4ecc6e..c5ed97a2 100644
--- a/testing.gimp.org/Dockerfile
+++ b/testing.gimp.org/Dockerfile
@@ -1,9 +1,10 @@
 FROM centos:7
-RUN yum install -y python-pip git && \
-    pip install pelican==3.6.2 Markdown==2.6.6 pygeoip==0.3.2 Pygments==2.2.0 typogrify==2.0.7 bs4
+RUN yum install -y epel-release && \
+    yum install -y python2-pip git 
 
 RUN git clone --depth 1 --branch testing https://gitlab.gnome.org/Infrastructure/gimp-web && \
     cd gimp-web && \
+    pip install -r py2-requirements.txt && \
     pelican content -o output -s pelicanconf.py
 
 FROM centos/httpd-24-centos7