test: demonstrate config-file parameter (cypress-io#1047)

.github/workflows/example-config.yml

@@ -24,6 +24,22 @@ jobs:
           wait-on: 'http://localhost:3333'
           config: baseUrl=http://localhost:3333
 
+  config-file:
+    # example where we use a custom config-file
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cypress tests
+        uses: ./
+        with:
+          working-directory: examples/config
+          build: npm run build
+          start: npm start
+          wait-on: 'http://localhost:3333'
+          config-file: cypress.config-alternate.js
+
   separate-specs:
     # example where we pass specs to run via multiple lines
     runs-on: ubuntu-22.04

README.md

@@ -547,7 +547,7 @@ jobs:
 
 ### Config File
 
-Specify the path to your config file with `config-file` parameter
+Specify the path to your [Configuration File](https://on.cypress.io/guides/references/configuration#Configuration-File) with `config-file` parameter
 
 ```yml
 name: Cypress tests
@@ -563,9 +563,11 @@ jobs:
       - name: Cypress run
         uses: cypress-io/github-action@v6
         with:
-          config-file: tests/cypress-config.json
+          config-file: cypress.config-alternate.js
 ```
 
+[![example-config](https://github.com/cypress-io/github-action/workflows/example-config/badge.svg?branch=master)](.github/workflows/example-config.yml)
+
 ### Parallel
 
 **Note:** Cypress parallelization requires a [Cypress Cloud](https://on.cypress.io/cloud-introduction) account.

examples/config/cypress.config-alternate.js

@@ -0,0 +1,12 @@
+const { defineConfig } = require('cypress')
+
+module.exports = defineConfig({
+  fixturesFolder: false,
+  e2e: {
+    baseUrl: 'http://localhost:3333',
+    setupNodeEvents(on, config) {
+      console.log('\nUsing cypress.config-alternate.js config-file')
+    },
+    supportFile: false
+  },
+})