Use Elixir 1.14 and Erlang 24

.circleci/config.yml

@@ -5,22 +5,21 @@ version: 2.1
 # Define a job to be invoked later in a workflow.
 # See: https://circleci.com/docs/2.0/configuration-reference/#jobs
 jobs:
-  say-hello:
+  build:
     # Specify the execution environment. You can specify an image from Dockerhub or use one of our Convenience Images from CircleCI's Developer Hub.
     # See: https://circleci.com/docs/2.0/configuration-reference/#docker-machine-macos-windows-executor
     docker:
-      - image: cimg/base:stable
-    # Add steps to the job
-    # See: https://circleci.com/docs/2.0/configuration-reference/#steps
+      - image: cimg/elixir:1.14-24
     steps:
+      - browser-tools/install-browser-tools
       - checkout
-      - run:
-          name: "Say hello"
-          command: "echo Hello, World!"
+      - run: mix --version
+      - run: mix deps.get
+      - run: mix test
 
 # Invoke jobs via workflows
 # See: https://circleci.com/docs/2.0/configuration-reference/#workflows
 workflows:
-  say-hello-workflow:
+  build-workflow:
     jobs:
-      - say-hello
+      - build