docker.yml

name: Docker

on:
  workflow_dispatch:
    inputs:
      image:
        description: "Docker image name and tag"
        required: false
        default: "ret2shell:latest"

jobs:
  # Build and export the docker image
  build:
    name: Build
    runs-on: ubuntu-latest
    env:
      # These environment variables will be set by `setup-env.sh`
      app_v: unknown
      commit_sha: unknown

    steps:
      - uses: actions/checkout@v6
        with:
          # fetch depth 0 to fetch all history for git-restore-mtime-action
          fetch-depth: 0

      - uses: chetan/git-restore-mtime-action@v2

      # Before this step, we can't use env variables declared in `env` of this job
      - name: Setup environment
        id: setup-env
        run: bash .github/setup-env.sh

      - name: Build on version ${{ env.app_v }}-${{ env.commit_sha }}
        id: build
        run: |
          image="$(echo ${{ inputs.image }} | tr -d '[:space:]')"
          if [ -z "$image" ]; then
            image='ret2shell:${{ env.app_v }}'
          fi
          echo "image=$image" >> "$GITHUB_OUTPUT"

          echo "Building: $image"
          docker build \
            --build-arg "R2S_GIT_VERSION=${{ env.commit_sha }}" \
            --load \
            -t "$image" \
            -f Containerfile .

      - name: Export image
        id: export
        run: |
          image='${{ steps.build.outputs.image }}'
          output_fn="$(echo "$image" | tr ':' '_')"
          echo "output_fn=$output_fn" >> "$GITHUB_OUTPUT"
          docker save "$image" -o '${{ runner.temp }}/image.tar'
          sha256sum '${{ runner.temp }}/image.tar' > '${{ runner.temp }}/image.tar.sha256'

      - name: Upload artifact
        continue-on-error: true
        uses: actions/upload-artifact@v7
        with:
          name: ${{ steps.export.outputs.output_fn }}
          path: |
            ${{ runner.temp }}/image.tar
            ${{ runner.temp }}/image.tar.sha256
          compression-level: 9
          retention-days: 1