[docker] Run on latest release instead of HEAD (#300)

Dockerfile

@@ -15,14 +15,13 @@ COPY docker/pretalx.bash /usr/local/bin/pretalx
 COPY src /src
 
 RUN mkdir /static && \
-    cd /src && \
     pip3 install -U pip setuptools wheel typing && \
-    pip3 install -r requirements.txt && \
-    pip3 install -r requirements/optional.txt && \
+    pip3 install pretalx &&
+    pip3 install django-redis pylibmc mysqlclient psycopg2 && \
     pip3 install gunicorn && \
-    python3 manage.py collectstatic --noinput && \
-    python3 manage.py compress && \
-    python3 manage.py compilemessages && \
+    python3 -m pretalx collectstatic --noinput && \
+    python3 -m pretalx compress && \
+    python3 -m pretalx compilemessages && \
     chmod +x /usr/local/bin/pretalx
 
 RUN mkdir -p /data/logs /data/media

docker/pretalx.bash

@@ -4,12 +4,12 @@ set -e
 
 cd /src
 export PRETALX_DATA_DIR=/data
-python3 manage.py migrate
+python3 -m pretalx migrate
 
 if [ "$1" == "web" ]; then
     exec gunicorn \
         -b '0.0.0.0:80' \
         -w 3 --max-requests 1000 --max-requests-jitter 50 \
         pretalx.wsgi
 fi
-exec python3 manage.py $*
+exec python3 -m pretalx $*