test.yaml

name: docker-slim test

on:
  push:
    branches:
      - master
    paths:
      - 'dist/*.js'
  pull_request:
    branches:
      - '**'
    paths:
      - 'dist/*.js'
  workflow_dispatch:

env:
  IMAGE: "kitabisa/debian"
  TAG: "jessie"

jobs:
  docker-slim:
    strategy:
      matrix:
        overwrite: [true, false]
    runs-on: ubuntu-latest
    steps:
      - name: Checking out repository
        uses: actions/checkout@v3

      - name: Build Docker image
        uses: docker/build-push-action@v4
        with:
          file: test/Dockerfile
          push: false
          tags: ${{ env.IMAGE }}:${{ env.TAG }}
          context: test/

      - name: Before
        run: docker image ls "${{ env.IMAGE }}"

      - name: docker-slim
        uses: kitabisa/docker-slim-action@master
        id: slim
        env:
          DSLIM_HTTP_PROBE: false
        with:
          target: ${{ env.IMAGE }}:${{ env.TAG }}
          overwrite: ${{ matrix.overwrite }}

      - name: After
        run: docker image ls "${{ env.IMAGE }}"

      - name: Report
        env:
          REPORT: ${{ steps.slim.outputs.report }} # report is JSON format
        run: echo "${REPORT}"