Add .nvmrc to specify Node.js version

.github/workflows/ci_backend.yaml

@@ -16,9 +16,6 @@ jobs:
   test:
     name: Check the source code
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
     env:
       working-directory: ./backend
     steps:
@@ -29,7 +26,7 @@ jobs:
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.nvmrc'
           cache: "pnpm"
       - name: Install packages
         run: pnpm install --frozen-lockfile

.github/workflows/ci_frontend.yaml

@@ -16,20 +16,17 @@ jobs:
   test:
     name: Check the source code
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
     env:
       working-directory: ./frontend
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v4
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-      - name: Use Node.js ${{ matrix.node-version }}
+      - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.nvmrc'
           cache: "pnpm"
       - name: Install packages
         run: pnpm install --frozen-lockfile

.github/workflows/desktop-publish.yml

@@ -9,7 +9,6 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        node-version: [18.x]
 
     defaults:
       run:
@@ -22,7 +21,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.nvmrc'
 
       - name: Set up pnpm
         uses: pnpm/action-setup@v4

.github/workflows/gh_pages.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Node 🔧
         uses: actions/setup-node@v4
         with:
-          node-version: "18"
+          node-version-file: '.nvmrc'
           cache: "pnpm"
           cache-dependency-path: pnpm-lock.yaml
 

.nvmrc

@@ -0,0 +1 @@
+v18