use pnpm

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,21 +1,5 @@
 <!--
 
-### Production Release
-
-To add this PR to the next release:
-    - Run `yarn changeset add` locally to create a changeset and follow the instructions.
-    - Push these changes to your branch.
-    - Once merged, changeset will create a new PR titled 'Version Packages'
-
-### Beta Release
-
-To trigger a beta release:
-
-    - Run `yarn changeset add` locally to create a changeset and follow the instructions.
-    - Push these changes to your branch
-    - Apply the `[beta] @guardian/consent-management-platform` label to your pull request. This action will automatically trigger the [`cmp-beta-release-on-label.yml`](../.github/workflows/cmp-beta-release-on-label.yml) workflow.
-    - Upon completion, the beta version will be posted by the `github-actions bot` in your pull request.
-    - After testing the published beta, feel free to delete the generated .yml file if you decide not to update the cmp version.
 -->
 
 ## What does this change?

.github/workflows/monitoring-CI.yml

@@ -21,50 +21,55 @@ jobs:
           role-to-assume: ${{ secrets.GU_RIFF_RAFF_ROLE_ARN }}
           aws-region: eu-west-1
 
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 'latest'
+
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version-file: './monitoring/.nvmrc'
-          cache: yarn
+          cache: pnpm
           cache-dependency-path: |
-            monitoring/yarn.lock
-            cdk/yarn.lock
+            monitoring/pnpm-lock.yaml
+            cdk/pnpm-lock.yaml
 
       - name: Lambda Install CDK dependencies
         working-directory: './monitoring'
-        run: yarn --frozen-lockfile
+        run: pnpm install --frozen-lockfile
 
       - name: Lambda lint
         working-directory: './monitoring'
-        run: yarn lint
+        run: pnpm lint
 
       - name: Lambda Build
         working-directory: './monitoring'
-        run: yarn build
+        run: pnpm build
 
-      - name: Lambda Build
+      - name: Lambda Test
         working-directory: './monitoring'
-        run: yarn test
+        run: pnpm test
 
       - name: CDK Install CDK dependencies
         working-directory: './cdk'
-        run: yarn --frozen-lockfile
+        run: pnpm install --frozen-lockfile
 
       - name: CDK Test
         working-directory: './cdk'
-        run: yarn test
+        run: pnpm test
 
       - name: CDK lint
         working-directory: './cdk'
-        run: yarn lint
+        run: pnpm lint
 
       - name: CDK Build
         working-directory: './cdk'
-        run: yarn build
+        run: pnpm build
 
       - name: CDK Synth
         working-directory: './cdk'
-        run: yarn synth
+        run: pnpm synth
 
       - name: ZIP Lambda files
         working-directory: './cdk'

.vscode/launch.json

@@ -12,7 +12,7 @@
                 "<node_internals>/**"
             ],
             "cwd": "${workspaceFolder}/monitoring",
-			"runtimeExecutable": "yarn",
+			"runtimeExecutable": "pnpm",
 			"runtimeArgs": [
 				"start",
 				"--env=prod",
@@ -29,7 +29,7 @@
                 "<node_internals>/**"
             ],
             "cwd": "${workspaceFolder}/monitoring",
-			"runtimeExecutable": "yarn",
+			"runtimeExecutable": "pnpm",
 			"runtimeArgs": [
 				"start",
 				"--env=prod",
@@ -46,7 +46,7 @@
                 "<node_internals>/**"
             ],
             "cwd": "${workspaceFolder}/monitoring",
-			"runtimeExecutable": "yarn",
+			"runtimeExecutable": "pnpm",
 			"runtimeArgs": [
 				"start",
 				"--env=prod",

cdk/README.md

@@ -16,8 +16,8 @@ find useful scripts within the [`script`](./script) directory for common tasks.
 
 There are also some other commands defined in `package.json`, including:
 
--   `yarn lint --fix` attempt to autofix any linter errors
--   `yarn format` format the code using Prettier
--   `yarn watch` watch for changes and compile
+-   `pnpm lint --fix` attempt to autofix any linter errors
+-   `pnpm format` format the code using Prettier
+-   `pnpm watch` watch for changes and compile
 
 However, it's advised you configure your IDE to format on save to avoid horrible "correct linting" commits.

cdk/package.json

@@ -4,6 +4,7 @@
 	"private": true,
 	"bin": "bin/cdk.js",
 	"scripts": {
+		"preinstall": "npx only-allow pnpm",
 		"build": "tsc",
 		"watch": "tsc -w",
 		"test": "jest",