feat: allow placing start commands on separate lines (#310)

.github/workflows/example-start.yml

@@ -17,3 +17,41 @@ jobs:
           build: npm run build
           start: npm start
           wait-on: 'http://localhost:5000'
+
+  start-multiple:
+    # example with web application build
+    # and several services to start
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Cypress tests
+        uses: ./
+        with:
+          working-directory: examples/start
+          build: npm run build
+          # single start command per line
+          start: |
+            npm start
+            npm run start2
+          wait-on: 'http://localhost:8000'
+          config: 'baseUrl=http://localhost:8000'
+
+  start-multiple-commas:
+    # example with web application build
+    # and several services to start
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Cypress tests
+        uses: ./
+        with:
+          working-directory: examples/start
+          build: npm run build
+          # use commas to separate the commands
+          start: npm start, npm run start2
+          wait-on: 'http://localhost:8000'
+          config: 'baseUrl=http://localhost:8000'

README.md

@@ -581,6 +581,17 @@ jobs:
           start: npm run api, npm run web
 ```
 
+You can place the start commands in separate lines
+
+```yml
+with:
+  start: |
+    npm run api
+    npm run web
+```
+
+[![start example](https://github.com/cypress-io/github-action/workflows/example-start/badge.svg?branch=master)](.github/workflows/example-start.yml)
+
 ### Wait-on
 
 If you are starting a local server and it takes a while to start, you can add a parameter `wait-on` and pass url to wait for the server to respond.