migrate to circle 2

Author: jpbochi

.circleci/config.yml

@@ -0,0 +1,34 @@
+version: 2
+jobs:
+  build:
+    working_directory: /rackspace-toolbox
+    docker:
+      - image: docker:18.06.1-ce-git
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run:
+          name: tests
+          command: |
+            ./drun -x ubuntu:16.04 cat /etc/issue | grep 'Ubuntu 16.04' # should execute command inside container
+            ./drun -x docker:1.10.0 docker version # should bind docker.sock
+            ./drun -x docker:1.10.0 sh -c './drun -x docker:1.10.0 true' # should do inception in 2 levels
+            ./drun -x docker:1.10.0 sh -c './drun -x docker:1.10.0 sh -c "./drun -x docker:1.10.0 true"' # should do inception in 3 levels
+            ./drun -x mhart/alpine-node:5.12.0 node --version | grep 'v5.12.0' # should get version of node
+            # should read version from package.json
+            echo '{"engines":{"node":"8.14.1"}}' > package.json && ./drun -xNA node --version | grep 'v8.14.1'
+            echo '{"engines":{"node":"~8.14.1"}}' > package.json && ./drun -xNA node --version | grep 'v8.14.1'
+            echo '{"engines":{"node":"^8.14.1"}}' > package.json && ./drun -xNA node --version | grep 'v8.14.1'
+            echo '{"engines":{"node":">=8.14.1"}}' > package.json && ./drun -xNA node --version | grep 'v8.14.1'
+            echo '{"engines":{"node":">= 8.14.1"}}' > package.json && ./drun -xNA node --version | grep 'v8.14.1'
+            echo '{"engines":{"node":"8.14.1"}}' > package.json && ./drun -xNM slim node --version | grep 'v8.14.1'
+            echo '{"test":"passing"}' | ./drun -x stedolan/jq '.test' | grep '"passing"' # should pipe into command inside container
+            echo '{"test":"passing"}' > test.json && ./drun -x stedolan/jq '.test' test.json | grep '"passing"' # should mount current directory
+            ./drun alpine sh -c 'apk update && apk add checkbashisms && checkbashisms -f drun && echo "checkbashisms passed."'
+            ./drun -?
+
+workflows:
+  version: 2
+  toolbox:
+    jobs:
+      - build