fix: revert yarn4

.dockerignore

@@ -11,7 +11,3 @@
 !README.md
 !frontend
 frontend/node_modules
-!.yarn/**
-!.yarnrc.yml
-!frontend/.yarn/**
-node_modules

.github/workflows/build.yaml

@@ -40,9 +40,7 @@ jobs:
         with:
           node-version: 20.x
           cache: 'yarn'
-      - run: yarn install --immutable
-        env:
-          YARN_ENABLE_SCRIPTS: false
+      - run: yarn install --frozen-lockfile --ignore-scripts
       - run: yarn lint
       - run: yarn build:backend
       - run: yarn run test:report # This adds test results as github check to the workflow

.github/workflows/build_frontend_prs.yml

@@ -19,8 +19,8 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20.x
-      - run: yarn --immutable
       - run: yarn run lint:material:icons
+      - run: yarn --frozen-lockfile
       - run: yarn run lint:check
       - run: yarn run test
       - run: yarn run ts:check # TODO: optimize

.github/workflows/docker_publish.yaml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: [ 20.14.0-alpine ]
+        version: [20.13.1-alpine]
     steps:
       - name: Checkout tag v${{ inputs.version }}
         if: ${{ inputs.version != '' }}

.github/workflows/e2e.frontend.yaml

@@ -20,10 +20,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Run Cypress
-        uses: cypress-io/github-action@v6
+        uses: cypress-io/github-action@v5
         with:
           working-directory: frontend
           env: AUTH_USER=admin,AUTH_PASSWORD=unleash4all
           config: baseUrl=${{ github.event.deployment_status.target_url }}
           spec: cypress/integration/${{ matrix.test }}
-          install-command: yarn --immutable

.github/workflows/gradual-strict-null-checks.yml

@@ -50,9 +50,9 @@ jobs:
           YARN_1="yarn --mutex network --cwd ./current"
           YARN_2="yarn --mutex network --cwd ./main"
 
-          $YARN_1 install  &> /dev/null && $YARN_1 build:backend --strictNullChecks true 2> .stderr-current > .out-current &
+          $YARN_1 install --ignore-scripts &> /dev/null && $YARN_1 build:backend --strictNullChecks true 2> .stderr-current > .out-current &
           pid1=$!
-          $YARN_2 install  &> /dev/null && $YARN_2 build:backend --strictNullChecks true 2> .stderr-main > .out-main &
+          $YARN_2 install --ignore-scripts &> /dev/null && $YARN_2 build:backend --strictNullChecks true 2> .stderr-main > .out-main &
           pid2=$!
 
           # wait for the processes that are expected to fail

.github/workflows/notify_enterprise.yaml

@@ -12,13 +12,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        node-version: [20.x]
+
     steps:
       - uses: actions/checkout@v4
-      - name: Use Node.js 20
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20.x
-          cache: 'yarn'
       - name: Trigger sync
         uses: actions/github-script@v7
         env:
@@ -43,7 +42,7 @@ jobs:
       - name: Build static assets
         run: |
           cd frontend
-          yarn install --immutable
+          yarn install --frozen-lockfile
           yarn build
       - uses: aws-actions/configure-aws-credentials@v2
         with:

.github/workflows/publish-new-version.yaml

@@ -6,7 +6,7 @@ concurrency:
 
 permissions:
   contents: write
-  id-token: write
+  id-token: write  
 
 on:
   workflow_dispatch:
@@ -30,7 +30,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [ 20.x ]
+        node-version: [20.x]
 
     steps:
       - uses: actions/checkout@v4
@@ -66,12 +66,10 @@ jobs:
           else
             echo "No changes to CHANGELOG.md"
           fi
-      - run: yarn install --immutable
-        env:
-          YARN_ENABLE_SCRIPTS: false
+      - run: yarn install --frozen-lockfile --ignore-scripts
       - name: npm version
         run: |
-          npm version ${{ github.event.inputs.version }}
+          npm version ${{ github.event.inputs.version }} --ignore-scripts
           git push origin ${{ github.ref_name }}
           git push --tags
         env:
@@ -106,10 +104,8 @@ jobs:
         run: git checkout origin/${{ github.ref_name }} -- CHANGELOG.md
       - name: lint
         run: |
-          yarn install --immutable
+          yarn install --frozen-lockfile --ignore-scripts
           yarn lint:fix
-        env:
-          YARN_ENABLE_SCRIPTS: false
       - name: push changes
         run: |
           git add package.json CHANGELOG.md
@@ -122,7 +118,7 @@ jobs:
     secrets: inherit
     with:
       version: ${{ github.event.inputs.version }}
-
+  
   publish-npm:
     needs: build
     uses: ./.github/workflows/release.yaml

.github/workflows/release.yaml

@@ -27,7 +27,7 @@ jobs:
           cache: 'yarn'
       - name: Build
         run: |
-          yarn install --immutable
+          yarn install --frozen-lockfile
       - name: Publish to npm
         run: |
           LATEST=$(npm show unleash-server version)

.github/workflows/validate-migrations.yaml

@@ -18,8 +18,8 @@ jobs:
       - name: Use Node.js 20.x
         uses: actions/setup-node@v4
         with:
-          node-version: 20.x
-          cache: 'yarn'
+            node-version: 20.x
+            cache: 'yarn'
       - name: Start database
         working-directory: test-migrations
         run: docker compose up db -d --wait -t 90
@@ -29,18 +29,16 @@ jobs:
       # add some data with terraform
       - name: Apply migrations
         env:
-          DATABASE_URL: postgres://postgres:unleash@localhost:5432/unleash
-          DATABASE_SSL: false
-          YARN_ENABLE_SCRIPTS: false
+            DATABASE_URL: postgres://postgres:unleash@localhost:5432/unleash
+            DATABASE_SSL: false
         run: |
-          yarn install --immutable
+          yarn install --frozen-lockfile --ignore-scripts
           yarn db-migrate up
       # run ui tests against previous version of Unleash
       - name: Run Cypress
-        uses: cypress-io/github-action@v6
+        uses: cypress-io/github-action@v5
         with:
           working-directory: frontend
           env: AUTH_USER=admin,AUTH_PASSWORD=unleash4all
           config: baseUrl=http://localhost:4242
           spec: cypress/oss/**/*.spec.ts
-          install-command: yarn --immutable

CONTRIBUTING.md

@@ -7,10 +7,6 @@ Before you begin:
 - Have you read the [code of conduct](CODE_OF_CONDUCT.md)?
 - Check out the [existing issues](https://github.com/unleash/Unleash/issues)
 - Browse the [developer-guide](./website/docs/contributing/developer-guide.md) for tips on environment setup, running the tests, and running Unleash from source.
-- You need 
-  - Node 20
-  - corepack enabled `corepack enable`
-  - yarn installed globally `npm install -g yarn`
 
 ### Don't see your issue? Open one
 

Dockerfile

@@ -6,9 +6,9 @@ WORKDIR /unleash
 
 COPY . /unleash
 
-RUN corepack enable
+RUN yarn config set network-timeout 300000
 
-RUN yarn install --immutable  && yarn prepare:backend && yarn local:package
+RUN yarn install --frozen-lockfile --ignore-scripts && yarn prepare:backend && yarn local:package
 
 # frontend/build should already exist (it needs to be built in the local filesystem but in case of a fresh build we'll build it here)
 RUN yarn build:frontend:if-needed
@@ -17,7 +17,7 @@ RUN mkdir -p /unleash/build/frontend && mv /unleash/frontend/build /unleash/buil
 
 WORKDIR /unleash/docker
 
-RUN yarn workspaces focus -A --production
+RUN yarn install --frozen-lockfile --production=true
 
 FROM node:$NODE_VERSION
 

biome.json

@@ -53,9 +53,7 @@
       "src/test/examples/*.json",
       ".docusaurus",
       "coverage",
-      "CHANGELOG.md",
-      "./package.json",
-      "./frontend/package.json"
+      "CHANGELOG.md"
     ]
   },
   "organizeImports": {
@@ -76,9 +74,7 @@
       "coverage",
       "website/build",
       "website/global.js",
-      ".docusaurus",
-      "./package.json",
-      "./frontend/package.json"
+      ".docusaurus"
     ],
     "indentWidth": 4
   },