CI: try setup_remote_docker

Author: NikolayS

.circleci/config.yml

@@ -4,14 +4,22 @@ jobs:
     working_directory: ~/nancy
     docker:
       - image: ubuntu:16.04
-      - image: postgresmen/postgres-with-stuff:pg9.6
     steps:
       - run:
           name: Install software
           command: |
             apt-get update && apt-get install -y sudo wget \
             && wget get.docker.com -q -S -O - | sudo sh
       - checkout
+      - setup_remote_docker
+      - run:
+          name: Install Docker client
+          command: |
+            set -x
+            VER="17.03.0-ce"
+            curl -L -o /tmp/docker-$VER.tgz https://download.docker.com/linux/static/stable/x86_64/docker-$VER.tgz
+            tar -xz -C /tmp -f /tmp/docker-$VER.tgz
+            mv /tmp/docker/* /usr/bin
       - run:
           name: Tests
           command: |