name: "Setup Docker Environment"
description: "Reusable steps for setting up QEMU, Docker Buildx, DockerHub login, Supersetbot, and optionally Docker Compose"
inputs:
  build:
    description: "Used for building?"
    required: false
    default: "false"
  dockerhub-user:
    description: "DockerHub username"
    required: false
  dockerhub-token:
    description: "DockerHub token"
    required: false
  install-docker-compose:
    description: "Flag to install Docker Compose"
    required: false
    default: "true"
  login-to-dockerhub:
    description: "Whether you want to log into dockerhub"
    required: false
    default: "true"
outputs: {}
runs:
  using: "composite"
  steps:

    - name: Set up QEMU
      if: ${{ inputs.build == 'true' }}
      uses: docker/setup-qemu-action@06116385d9baf250c9f4dcb4858b16962ea869c3 # v4.1.0
      with:
        # Pin the binfmt image to a specific QEMU release. The default
        # (`tonistiigi/binfmt:latest`) is a moving target, and drift across
        # QEMU's x86_64→aarch64 translator has been the proximate cause of
        # intermittent `exit code: 132` (SIGILL) failures during the arm64
        # leg of the multi-platform docker build — newer Node native modules
        # emit instructions QEMU's user-mode emulation occasionally drops on
        # the floor. Pinning a known-good release stabilises that path.
        image: tonistiigi/binfmt:qemu-v8.1.5

    - name: Set up Docker Buildx
      if: ${{ inputs.build == 'true' }}
      uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0

    - name: Try to login to DockerHub
      if: ${{ inputs.login-to-dockerhub == 'true' }}
      continue-on-error: true
      uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
      with:
        username: ${{ inputs.dockerhub-user }}
        password: ${{ inputs.dockerhub-token }}

    - name: Install Docker Compose
      if: ${{ inputs.install-docker-compose == 'true' }}
      shell: bash
      run: |
        sudo apt-get update
        sudo apt-get install -y ca-certificates curl
        sudo install -m 0755 -d /etc/apt/keyrings

        # Download and save the Docker GPG key in the correct format
        curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

        # Ensure the key file is readable
        sudo chmod a+r /etc/apt/keyrings/docker.gpg

        # Add the Docker repository using the correct key
        echo \
          "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
          $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
          sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

        # Update package lists and install Docker Compose plugin
        sudo apt update
        sudo apt install -y docker-compose-plugin

    - name: Docker Version Info
      shell: bash
      run: docker info