From 5f08865d4aa8196304a3663e6cee450c539249bb Mon Sep 17 00:00:00 2001
From: Claire Peng <clairepeng94@gmail.com>
Date: Sun, 19 Jul 2026 00:37:51 +0100
Subject: [PATCH 1/3] cache node_modules on e2e.yml

---
 .github/workflows/e2e.yml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index d3603cbbf9..557f7d6791 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -45,7 +45,7 @@ jobs:
     - name: Set up node
       uses: actions/setup-node@v4
       with:
-        node-version: '18.20.x'
+        node-version-file: '.nvmrc'
         cache: 'npm'
 
     - name: Create .env file
@@ -56,7 +56,15 @@ jobs:
       with:
         mongodb-version: '6.0'
 
+    - name: Cache node_modules
+      uses: actions/cache@v4
+      id: node-modules-cache
+      with:
+        path: node_modules
+        key: node-modules-${{ runner.os }}-node-${{ hashFiles('.nvmrc') }}-${{ hashFiles('package-lock.json') }}
+
     - name: Install dependencies
+      if: steps.node-modules-cache.outputs.cache-hit != 'true'
       run: npm ci
 
     - name: Cache Playwright browsers

From 1b524deda6f449d1dddf87b0692ad9bf10e668df Mon Sep 17 00:00:00 2001
From: Claire Peng <clairepeng94@gmail.com>
Date: Sun, 19 Jul 2026 00:46:18 +0100
Subject: [PATCH 2/3] update actions sources on test.yml and cache node_modules

---
 .github/workflows/test.yml | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4a39783065..494de973d4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,12 +7,29 @@ jobs:
     name: Test and lint code base
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js
-        uses: actions/setup-node@v1
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: Create .env file
+        run: cp .env.example .env
+      
+      - name: Cache node_modules
+        uses: actions/cache@v4
+        id: node-modules-cache
         with:
-          node-version: '18.20.x'
-      - run: npm install
+          path: node_modules
+          key: node-modules-${{ runner.os }}-node-${{ hashFiles('.nvmrc') }}-${{ hashFiles('package-lock.json') }}
+
+      - name: Install dependencies
+        if: steps.node-modules-cache.outputs.cache-hit != 'true'
+        run: npm ci
+
       - run: npm run test
       - run: npm run typecheck
       - run: npm run lint

From fd2e0912f4fb6fa3828a1e77893a0d68035af8db Mon Sep 17 00:00:00 2001
From: Claire Peng <clairepeng94@gmail.com>
Date: Sun, 19 Jul 2026 01:06:55 +0100
Subject: [PATCH 3/3] cache wait-on during e2e.yml

---
 .github/workflows/e2e.yml | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 557f7d6791..df83d69fe8 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -5,6 +5,8 @@ on:
     branches: [develop]
   issue_comment:
     types: [created]
+env:
+  WAIT_ON_VERSION: '7'
 jobs:
   test-e2e:
     # temporary while new e2e environment is not yet created:
@@ -82,12 +84,23 @@ jobs:
       if: steps.playwright-cache.outputs.cache-hit == 'true'
       run: npx playwright install-deps chromium
 
+    - name: Cache wait-on
+      uses: actions/cache@v4
+      id: wait-on-cache
+      with:
+        path: ~/.npm/_npx
+        key: npx-wait-on-${{ env.WAIT_ON_VERSION }}-${{ runner.os }}
+
+    - name: Install wait-on
+      if: steps.wait-on-cache.outputs.cache-hit != 'true'
+      run: npx -y wait-on@$WAIT_ON_VERSION --version
+
     - name: Start app
       run: npm start > app.log 2>&1 &
 
     - name: Wait for app to be ready
       run: |
-        npx wait-on@7 http://localhost:8000 --timeout 180000 || {
+        npx wait-on@$WAIT_ON_VERSION http://localhost:8000 --timeout 180000 || {
           echo "::error::App failed to become ready at http://localhost:8000 within 180s"
           echo "----- app.log -----"
           cat app.log