Would you approve this Docker build service?

Situation

A developer proposes a workflow to build and test Docker images on every pull request.

Environment

GitHub Actions using Docker-in-Docker for image builds.

Select suspicious lines in the terminal to flag them before submitting your verdict.

pending review

name: build-images
on:
  pull_request:
jobs:
  docker-build:
    runs-on: ubuntu-latest
    services:
      docker:
        image: docker:dind
        privileged: true
    steps:
      - uses: actions/checkout@v4
      - run: docker build -t app:${{ github.sha }} .
      - run: docker run --rm app:${{ github.sha }} npm test