[extensions-web/deploy] openshift: update Dockerfile

[Yuri Konotopov <ykonotopov src gnome org>]

commit d8d9f5a53639a712eb1f04f9b05c3682686e4dc9
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Tue Apr 2 23:25:22 2019 +0400

    openshift: update Dockerfile
    
    1. Pin Sphinx to <2.0.0 because xapian-bindings failing with newer Sphinx
    2. Cleanup docker image

 openshift/docker/Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/openshift/docker/Dockerfile b/openshift/docker/Dockerfile
index 2494142..9de5802 100644
--- a/openshift/docker/Dockerfile
+++ b/openshift/docker/Dockerfile
@@ -7,7 +7,6 @@ ENV PYTHONUNBUFFERED=1 \
        GPG_KEY=08E2400FF7FE8FEDE3ACB52818147B073BAD2B07
 
 RUN set -ex \
-       && pip install Sphinx \
        && wget -O xapian-core.tar.xz 
"https://oligarchy.co.uk/xapian/$XAPIAN_VERSION/xapian-core-$XAPIAN_VERSION.tar.xz"; \
        && wget -O xapian-core.tar.xz.asc 
"https://oligarchy.co.uk/xapian/$XAPIAN_VERSION/xapian-core-$XAPIAN_VERSION.tar.xz.asc"; \
        && wget -O xapian-bindings.tar.xz 
"https://oligarchy.co.uk/xapian/$XAPIAN_VERSION/xapian-bindings-$XAPIAN_VERSION.tar.xz"; \
@@ -42,10 +41,14 @@ RUN set -ex \
        && ldconfig \
        && rm -r /usr/src/xapian-core \
        && cd /usr/src/xapian-bindings \
+       && pip install Sphinx\<2.0.0 \
        && ./configure \
                --with-python \
        && make -j "$(nproc)" \
        && make install \
+       && pip freeze > /tmp/pip.txt \
+       && pip uninstall -y -r /tmp/pip.txt \
+       && rm /tmp/pip.txt \
        && find /usr/local -depth \
                \( \
                        \( -type d -a \( -name test -o -name tests \) \) \