Use alpine images instead of Python. (#290)

* Use alpine images instead of Python.

* Minor fix to use python3 -m pip

* Fix settings for paintstore.

web/Dockerfile

@@ -44,6 +44,5 @@ EXPOSE 8000 8080
 STOPSIGNAL SIGINT
 
 ENTRYPOINT ["docker-entrypoint.sh"]
-CMD ["uwsgi", "--ini", "/opt/mailman-web/uwsgi.ini"]
 
-ENV PYTHONPATH=/usr/lib/python3.6/site-packages
+CMD ["uwsgi", "--ini", "/opt/mailman-web/uwsgi.ini"]

web/Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM python:3.6-alpine3.7
+FROM alpine:3.8
 
 MAINTAINER Abhilash Raj
 
@@ -16,25 +16,29 @@ ARG CLIENT_REF
 # executing apps, change ownership for uwsgi+django files and set execution
 # rights for management script
 RUN set -ex \
-	&& apk add --no-cache --virtual .build-deps gcc libc-dev linux-headers git \
-	   	postgresql-dev mariadb-dev \
-	&& apk add --no-cache --virtual .mailman-rundeps bash sassc \
-	   postgresql-client mysql-client py-mysqldb curl mailcap \
-	&& pip install -U git+https://gitlab.com/mailman/mailmanclient@${CLIENT_REF} \
-		                git+https://gitlab.com/mailman/postorius@${POSTORIUS_REF} \
-		                git+https://gitlab.com/mailman/hyperkitty@${HYPERKITTY_REF} \
-		                whoosh \
-		                uwsgi \
-		                psycopg2 \
-		                dj-database-url \
-		                mysqlclient \
-	&& pip install -U django>=1.11\
-	&& pip install -U git+https://gitlab.com/mailman/django-mailman3@${DJ_MM3_REF} \
-	&& apk del .build-deps \
-	&& addgroup -S mailman \
-	&& adduser -S -G mailman mailman \
-	&& chown -R mailman /opt/mailman-web/ \
-	&& chmod u+x /opt/mailman-web/manage.py
+    && apk add --no-cache --virtual .build-deps gcc libc-dev linux-headers git \
+        postgresql-dev mariadb-dev python3-dev \
+    && apk add --no-cache --virtual .mailman-rundeps bash sassc \
+	    python3 py3-setuptools postgresql-client mysql-client py-mysqldb\
+        curl mailcap xapian-core xapian-bindings-python3 \
+    && python3 -m pip install -U \
+        git+https://gitlab.com/mailman/mailmanclient@${CLIENT_REF} \
+        git+https://gitlab.com/mailman/postorius@${POSTORIUS_REF} \
+        git+https://gitlab.com/mailman/hyperkitty@${HYPERKITTY_REF} \
+        whoosh \
+        uwsgi \
+        psycopg2 \
+        dj-database-url \
+	    mysqlclient \
+	    xapian-haystack \
+    && python3 -m pip install -U django>=1.11\
+	&& python3 -m pip install -U \
+    	git+https://gitlab.com/mailman/django-mailman3@${DJ_MM3_REF} \
+    && apk del .build-deps \
+    && addgroup -S mailman \
+    && adduser -S -G mailman mailman \
+    && chown -R mailman /opt/mailman-web/ \
+    && chmod u+x /opt/mailman-web/manage.py
 
 WORKDIR /opt/mailman-web
 

web/mailman-web/settings.py

@@ -65,7 +65,7 @@ MAILMAN_ARCHIVER_FROM = os.environ.get('MAILMAN_HOST_IP', '172.19.199.2')
 
 # Application definition
 
-INSTALLED_APPS = (
+INSTALLED_APPS = [
     'hyperkitty',
     'postorius',
     'django_mailman3',
@@ -81,7 +81,6 @@ INSTALLED_APPS = (
     'django.contrib.staticfiles',
     'rest_framework',
     'django_gravatar',
-    'paintstore',
     'compressor',
     'haystack',
     'django_extensions',
@@ -94,7 +93,17 @@ INSTALLED_APPS = (
     'allauth.socialaccount.providers.github',
     'allauth.socialaccount.providers.gitlab',
     'allauth.socialaccount.providers.google',
-)
+]
+
+# Optionally include paintstore, if it was installed with Hyperkitty.
+# TODO: Remove this after a new version of Hyperkitty is released and
+# neither the stable nor the rolling version needs it.
+try:
+    import paintstore
+    INSTALLED_APPS.append('paintstore')
+except ImportError:
+    pass
+
 
 _MIDDLEWARE = (
     'django.contrib.sessions.middleware.SessionMiddleware',