Add circleci config

.circleci/config.yml

@@ -0,0 +1,42 @@
+# Clojure CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-clojure/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+      - image: circleci/clojure:lein-2.7.1
+      
+      # Specify service dependencies here if necessary
+      # CircleCI maintains a library of pre-built images
+      # documented at https://circleci.com/docs/2.0/circleci-images/
+      # - image: circleci/postgres:9.4
+
+    working_directory: ~/repo
+
+    environment:
+      LEIN_ROOT: "true"
+      # Customize the JVM maximum heap limit
+      JVM_OPTS: -Xmx3200m
+    
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "project.clj" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run: lein deps
+
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "project.clj" }}
+        
+      # run tests!
+      - run: lein test