Demonstrate quicker cibuild

src/django/Dockerfile

@@ -1,26 +1,11 @@
-FROM python:3.8-slim-buster
+FROM quay.io/azavea/django:3.2-python3.8-slim
 
 RUN mkdir -p /usr/local/src
 WORKDIR /usr/local/src
 COPY requirements.txt /usr/local/src/
 
 RUN set -ex \
-    && buildDeps=" \
-       build-essential \
-       libpq-dev \
-    " \
-    && deps=" \
-       gdal-bin \
-       gettext \
-       postgresql-client \
-    " \
-    && apt-get update && apt-get install -y $buildDeps $deps --no-install-recommends \
-    && pip install --no-cache-dir -r requirements.txt \
-    && apt-get purge -y --auto-remove $buildDeps \
-       $(! command -v gpg > /dev/null || echo 'gnupg dirmngr') \
-    && rm -rf requirements.txt /var/lib/apt/lists/*
-
-ENTRYPOINT ["/usr/local/bin/gunicorn"]
+    && pip install --no-cache-dir -r requirements.txt
 
 COPY . /usr/local/src
 

src/django/requirements.txt

@@ -1,6 +1,5 @@
 black==22.3.0
 boto3==1.24.3
-django==3.2.13
 django-ecsmanage==2.0.1
 django-extensions==3.1.5
 django-simple-history==3.1.1
@@ -14,8 +13,6 @@ dj-rest-auth==2.2.5
 factory-boy==3.2.1
 filetype==1.0.13
 flake8==4.0.1
-gunicorn==20.1.0
-psycopg2==2.9.3
 pycodestyle==2.8.0
 pyflakes==2.4.0
 python-jose==3.3