name: docker

on:
  pull_request:
    paths:
      - '.github/workflows/docker.yaml'
      - 'Dockerfile'
      - 'include/**'
      - 'libbpf/**'
      - 'src/**'
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.event.after }}
  cancel-in-progress: true

jobs:
  dockerimage:
    name: Docker image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0
        with:
          submodules: recursive

      - name: Build bpftool container image
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # v4.0.0
        with:
          push: false
          tags: bpftool:latest

      - name: Test bpftool container image
        run: |
          docker run --rm --privileged --pid=host bpftool version
          docker run --rm --privileged --pid=host bpftool prog
          docker run --rm --privileged --pid=host bpftool map

      - name: Lint Docker image
        uses: hadolint/hadolint-action@54c9adbab1582c2ef04b2016b760714a4bfde3cf # v3.1.0
        with:
          dockerfile: Dockerfile