improve ci workflow (#42)

* improve ci workflow

Signed-off-by: gengjiawen <[email protected]>

* fix typo

Signed-off-by: gengjiawen <[email protected]>

Author: gengjiawen

.circleci/config.yml

@@ -1,21 +1,22 @@
 version: 2
+
+defaults: &defaults
+  machine: true
+  working_directory: ~/project
+
+aliases:
+  - &build-docker
+    name: Install curl
+    command: |
+      docker build -t react-native-community/react-native .
+      docker run --rm --name rn-env react-native-community/react-native bin/sh -c "npx envinfo"
+
 jobs:
-  build:
-    machine: true
-    working_directory: ~/project
-    steps:
-      - checkout
-      - run:
-          name: Build docker image
-          command: |
-            docker build -t react-native-community/react-native .
-      - run:
-          name: Docker info
-          command: |
-            docker run --rm --name rn-env react-native-community/react-native bin/sh -c "npx envinfo"
   test:
-    machine: true
+    <<: *defaults
     steps:
+      - checkout
+      - run: *build-docker
       - run:
           name: Test
           command: |
@@ -24,8 +25,10 @@ jobs:
             docker run --rm --name rn-build -v $PWD:/pwd -w /pwd react-native-community/react-native /bin/sh -c \
               "yarn install && ./gradlew RNTester:android:app:assembleRelease && ./scripts/circleci/buck_fetch.sh"
   deploy:
-    machine: true
+    <<: *defaults
     steps:
+      - checkout
+      - run: *build-docker
       - run:
           name: Deploy docker
           command: |
@@ -37,13 +40,8 @@ workflows:
   version: 2
   main:
     jobs:
-      - build
-      - test:
-          requires:
-            - build
+      - test
       - deploy:
-          requires:
-            - build
           filters:
             branches:
               only: master