Attempt to work with a custom primary Docker container.

.circleci/config.yml

@@ -9,11 +9,6 @@ jobs:
     steps:
       - checkout
       - setup_docker_engine
-      - run:
-          name: Install Docker Compose
-          command: |
-            docker info
-            docker-compose version
 
       - run:
           name: Build Docker images

.circleci/images/primary/Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.6
+
+RUN apt-get -y install \
+     apt-transport-https \
+     ca-certificates \
+     curl \
+     software-properties-common
+
+RUN curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add - \
+    && add-apt-repository \
+        "deb [arch=amd64] https://download.docker.com/linux/debian \
+        $(lsb_release -cs) \
+        stable" \
+    && apt-get update \
+    && apt-get install docker-ce \
+    && pip install docker-compose