Use new base image with Django 3.1.2

.gitlab-ci.yml

@@ -11,7 +11,7 @@ include:
 
 # For jobs that run backend scripts directly
 .backend-setup:
-  image: registry.gitlab.com/arkindex/backend/base:postgis
+  image: registry.gitlab.com/arkindex/backend/base:django-3.1.2
 
   cache:
     paths:

Dockerfile

-FROM registry.gitlab.com/arkindex/backend/base:postgis as build
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1.2 as build
 
 RUN mkdir build
 ADD . build
 RUN cd build && python3 setup.py sdist
 
-FROM registry.gitlab.com/arkindex/backend/base:postgis
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1.2
 
 ARG COMMON_BRANCH=master
 ARG COMMON_ID=9855787

Dockerfile.binary

@@ -65,7 +65,7 @@ RUN python -m nuitka \
       arkindex/manage.py
 
 # Start over from a clean setup
-FROM registry.gitlab.com/arkindex/backend/base:postgis as build
+FROM registry.gitlab.com/arkindex/backend/base:django-3.1.2 as build
 
 # Import files from compilation
 RUN mkdir /usr/share/arkindex