Undo removed steps

Author: maykonmichel

.circleci/config.yml

@@ -1,57 +1,85 @@
 version: 2
 jobs:
   build_test:
-    parallelism: 1
     docker:
       - image: circleci/elixir:1.9.4
         environment:
           MIX_ENV: test
-      - image: circleci/postgres:10.1-alpine
-        environment:
-          POSTGRES_USER: postgres
-          POSTGRES_DB: ez_coins_test
-          POSTGRES_PASSWORD: postgres
-    working_directory: ~/api
     steps:
       - checkout
-
       - run: mix local.hex --force
       - run: mix local.rebar --force
-
       - restore_cache:
-          keys:
-            - v1-mix-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
-            - v1-mix-cache-{{ .Branch }}
-            - v1-mix-cache
+          key: v1-deps-cache-{{ checksum "mix.lock" }}
+      - run: mix do deps.get, deps.compile
+      - save_cache:
+          key: v1-deps-cache-{{ checksum "mix.lock" }}
+          paths:
+            - deps
+            - ~/.mix
+            - _build
+      - run: mix compile
+      - run: echo "$OTP_VERSION $ELIXIR_VERSION" > .version_file
       - restore_cache:
           keys:
-            - v1-build-cache-{{ .Branch }}
-            - v1-build-cache
-      - run: mix do deps.get, compile
+            - plt-cache-{{ checksum ".version_file" }}-{{ checksum "mix.lock" }}
+      - run: mix dialyzer --plt
       - save_cache:
-          key: v1-mix-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
-          paths: "deps"
-      - save_cache:
-          key: v1-mix-cache-{{ .Branch }}
-          paths: "deps"
-      - save_cache:
-          key: v1-mix-cache
-          paths: "deps"
-      - save_cache:
-          key: v1-build-cache-{{ .Branch }}
-          paths: "_build"
-      - save_cache:
-          key: v1-build-cache
-          paths: "_build"
-
+          key: plt-cache-{{ checksum ".version_file"  }}-{{ checksum "mix.lock" }}
+          paths:
+            - _build
+            - deps
+            - ~/.mix
+  dialyzer:
+    docker:
+      - image: circleci/elixir:1.9.4
+        environment:
+          MIX_ENV: test
+    steps:
+      - checkout
+      - run: echo "$OTP_VERSION $ELIXIR_VERSION" > .version_file
+      - restore_cache:
+          keys:
+            - plt-cache-{{ checksum ".version_file" }}-{{ checksum "mix.lock" }}
       - run:
-          name: Wait for DB
-          command: dockerize -wait tcp://localhost:5432 -timeout 1m
-
+          name: Execute dialyzer
+          command: mix dialyzer --halt-exit-status
+  test:
+    docker:
+      - image: circleci/elixir:1.9.4
+      - image: circleci/postgres:10.1-alpine
+          environment:
+            POSTGRES_USER: postgres
+            POSTGRES_DB: ez_coins_test
+            POSTGRES_PASSWORD: postgres
+    steps:
+      - checkout
+      - restore_cache:
+          key: v1-deps-cache-{{ checksum "mix.lock" }}
       - run: mix test
-
-      - store_test_results:
-          path: _build/test/lib/ez_coins_api
+  generate_documentation:
+    docker:
+      - image: circleci/elixir:1.9.4
+        environment:
+          MIX_ENV: test
+    steps:
+      - checkout
+      - restore_cache:
+          key: v1-deps-cache-{{ checksum "mix.lock" }}
+      - run: mix docs
+      - store_artifacts:
+          path: doc
+          destination: documentation
+  format_check:
+    docker:
+      - image: circleci/elixir:1.9.4
+        environment:
+          MIX_ENV: test
+    steps:
+      - checkout
+      - restore_cache:
+          key: v1-deps-cache-{{ checksum "mix.lock" }}
+      - run: mix format --check-formatted
   build_production:
     docker:
       - image: docker:17.05.0-ce-git
@@ -97,9 +125,21 @@ jobs:
 
 workflows:
   version: 2
-  test:
+  checks:
     jobs:
       - build_test
+      - format_check:
+          requires:
+            - build_test
+            - generate_documentation:
+                requires:
+                  - build_test
+            - dialyzer:
+                requires:
+                  - build_test
+            - test:
+                requires:
+                  - build_test
   deploy_production:
     jobs:
       - build_production: