Use Docker executor instead of Machine executor on CI

.circleci/config.yml

@@ -38,7 +38,8 @@ commands:
 
 jobs:
   generate_configuration:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     parameters:
       isNightly:

.circleci/template.yml

@@ -4,6 +4,9 @@
 # To modify commands to execute on CI review this file, and the script that generates it.
 version: 2.1
 
+orbs:
+  browser-tools: circleci/browser-tools@2.1.2
+
 # List of parameters must be synchronized between configuration files.
 parameters:
   isNightly:
@@ -40,14 +43,6 @@ commands:
               circleci step halt
             fi
 
-  prepare_environment_command:
-    description: "Prepare environment (RAM, browsers, hosts, etc.)"
-    steps:
-      # CircleCI does not use the latest Chrome. Hence, we must install it manually.
-      - run:
-          name: Install the latest Chrome
-          command: yarn ckeditor5-dev-ci-install-latest-chrome
-
   install_ssh_keys_command:
     description: "Install SSH keys"
     steps:
@@ -67,9 +62,14 @@ commands:
   checkout_command:
     description: "Clone the CKEditor 5 repository with limited depth and branches"
     steps:
+      - run:
+          name: Add GitHub to known_hosts
+          command: |
+            mkdir -p ~/.ssh
+            ssh-keyscan github.com >> ~/.ssh/known_hosts
       - run:
           name: Checkout code (single branch)
-          command: git clone --single-branch --depth 10 --branch "$CIRCLE_BRANCH" "$CIRCLE_REPOSITORY_URL" .
+          command: git clone --single-branch --depth 1 --branch "$CIRCLE_BRANCH" "$CIRCLE_REPOSITORY_URL" .
 
   # In the PRs that come from forked repositories, we do not share secret variables.
   # Hence, some of the scripts will not be executed. See: https://github.com/ckeditor/ckeditor5/issues/7745.
@@ -101,13 +101,14 @@ commands:
 
 jobs:
   cke5_manual:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0-browsers
     resource_class: large
     steps:
       - checkout_command
       - halt_if_short_flow
       - bootstrap_repository_command
-      - prepare_environment_command
+      - browser-tools/install_chrome
       - install_newest_emoji
       - run:
           name: Prepare DLL builds in CKEditor 5
@@ -117,12 +118,12 @@ jobs:
           command: bash scripts/check-manual-tests.sh -r ckeditor5 -f ckeditor5
 
   cke5_validators:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     steps:
       - checkout_command
       - bootstrap_repository_command
-      - prepare_environment_command
       - run:
           when: always
           name: Validate versions of CKEditor 5 dependencies
@@ -161,14 +162,14 @@ jobs:
           command: yarn run validate-module-re-exports
 
   cke5_coverage:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     steps:
       - community_verification_command
       - checkout_command
       - halt_if_short_flow
       - bootstrap_repository_command
-      - prepare_environment_command
       - attach_workspace:
           at: .out
       - run:
@@ -185,7 +186,8 @@ jobs:
           command: npx coveralls -v < .out/combined_lcov.info
 
   cke5_trigger_release_process:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     steps:
       - community_verification_command
@@ -213,7 +215,8 @@ jobs:
           command: yarn ckeditor5-dev-ci-trigger-circle-build
 
   cke5_trigger_uber_ci:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     steps:
       - community_verification_command
@@ -224,13 +227,13 @@ jobs:
           command: yarn ckeditor5-dev-ci-trigger-circle-build
 
   release_prepare:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: large
     steps:
       - checkout_command
       - halt_if_short_flow
       - bootstrap_repository_command
-      - prepare_environment_command
       - run:
           name: Check if packages are ready to be released
           command: npm run release:prepare-packages -- --compile-only --verbose
@@ -242,7 +245,8 @@ jobs:
           command: yarn run check-dependencies
 
   notify_ci_failure:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     parameters:
       hideAuthor:
@@ -261,7 +265,8 @@ jobs:
           no_output_timeout: 2h
 
   stale_bot:
-    machine: true
+    docker:
+      - image: cimg/node:22.12.0
     resource_class: medium
     steps:
       - checkout_command

scripts/ci/check-unit-tests-for-package.mjs

@@ -54,6 +54,7 @@ function runTests( { packageName, checkCoverage, attempts = 3 } ) {
 		'test',
 		'--reporter=dots',
 		'--production',
+		'-b ChromeHeadless',
 		`-f ${ shortName }`,
 		checkCoverage ? '--coverage' : null
 	].filter( Boolean );

scripts/ci/generate-circleci-configuration.mjs

@@ -42,7 +42,7 @@ const bootstrapCommands = () => ( [
 	'checkout_command',
 	'halt_if_short_flow',
 	'bootstrap_repository_command',
-	'prepare_environment_command'
+	'browser-tools/install_chrome'
 ] );
 
 const prepareCodeCoverageDirectories = () => ( {
@@ -120,7 +120,9 @@ const persistToWorkspace = fileName => ( {
 	} );
 
 	config.jobs.cke5_tests_framework = {
-		machine: true,
+		docker: [
+			{ image: 'cimg/node:22.12.0-browsers' }
+		],
 		steps: [
 			...bootstrapCommands(),
 			prepareCodeCoverageDirectories(),
@@ -136,7 +138,9 @@ const persistToWorkspace = fileName => ( {
 	// Adding batches to the root `jobs`.
 	featureTestBatches.forEach( ( batch, batchIndex ) => {
 		config.jobs[ featureTestBatchNames[ batchIndex ] ] = {
-			machine: true,
+			docker: [
+				{ image: 'cimg/node:22.12.0-browsers' }
+			],
 			steps: [
 				...bootstrapCommands(),
 				'install_newest_emoji',

scripts/web-crawler/index.mjs

@@ -6,7 +6,7 @@
  */
 
 import minimist from 'minimist';
-import { DEFAULT_CONCURRENCY, runCrawler, toArray, isUrlValid } from '@ckeditor/ckeditor5-dev-web-crawler';
+import { DEFAULT_CONCURRENCY, DEFAULT_TIMEOUT, runCrawler, toArray, isUrlValid } from '@ckeditor/ckeditor5-dev-web-crawler';
 
 const options = parseArguments( process.argv.slice( 2 ) );
 
@@ -31,7 +31,8 @@ function parseArguments( args ) {
 			'url',
 			'depth',
 			'exclusions',
-			'concurrency'
+			'concurrency',
+			'timeout'
 		],
 
 		boolean: [
@@ -44,7 +45,8 @@ function parseArguments( args ) {
 			u: 'url',
 			d: 'depth',
 			e: 'exclusions',
-			c: 'concurrency'
+			c: 'concurrency',
+			t: 'timeout'
 		},
 
 		default: {
@@ -63,13 +65,15 @@ function parseArguments( args ) {
 		'-e', '/ckfinder/',
 		'-e', '/api/',
 		'-e', '/assets/',
-		'-c', DEFAULT_CONCURRENCY
+		'-c', DEFAULT_CONCURRENCY,
+		'-t', DEFAULT_TIMEOUT
 	], config );
 
 	const defaultOptionsForManual = minimist( [
 		'-u', 'http://localhost:8125/',
 		'-d', 1,
-		'-c', DEFAULT_CONCURRENCY
+		'-c', DEFAULT_CONCURRENCY,
+		'-t', DEFAULT_TIMEOUT * 2
 	], config );
 
 	const options = {};
@@ -94,6 +98,7 @@ function parseArguments( args ) {
 		url: options.url,
 		depth: options.depth ? Number( options.depth ) : Infinity,
 		exclusions: options.exclusions ? toArray( options.exclusions ).filter( exclusion => exclusion.length > 0 ) : [],
+		timeout: options.timeout ? Number( options.timeout ) : DEFAULT_TIMEOUT,
 		concurrency: options.concurrency ? Number( options.concurrency ) : 1,
 		silent: options.silent
 	};