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Migrate a Node.js project from NPM to PNPM

· One min read
Daniel G
Daniel G
Developer

Install pnpm:

# on Mac
❯ brew install pnpm

# with node.js installed
❯ npm install -g pnpm

Steps​


# Remove existing dependencies and the NPM lock file
❯ rm -rf node_modules package-lock.json

# Install dependencies
❯ pnpm install

Update Scripts​

  • npm run test => pnpm test
  • npm start => pnpm start
  • npx prisma migrate dev --name "$1" --schema=app/prisma/schema.prisma => pnpm dlx prisma migrate dev --name "$1" --schema=app/prisma/schema.prisma

Update Dockerfile​

Install PNPM and migrate related commands:

RUN npm install -g pnpm@latest-10

RUN pnpm install

RUN pnpm dlx prisma generate --schema=app/prisma/schema.prisma

CMD ["pnpm", "start"]

Update CI/CD​

  • Use pnpm/action-setup
  • Use cache to reduce installation time
on:
  - push
  - pull_request
jobs:
  deploy:
    name: Deploy to AWS ECS - ${{ inputs.environment }}
    runs-on: ubuntu-latest
    environment: ${{ inputs.environment }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.branch }}

      - name: Install pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10
          run_install: false

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "22.x"
          cache: "pnpm"

References​