ci.yml

# Taken from the Earthly documentation
# https://docs.earthly.dev/ci-integration/vendor-specific-guides/gh-actions-integration
name: Publish slim image

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      FORCE_COLOR: 1
    steps:
    - uses: actions/checkout@v3                                                                                                             
      with:                                                                                                                                 
        lfs: true                                                                                                                           
                                                                                                                                            
    - name: Checkout LFS objects                                                                                                            
      run: git lfs checkout   

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v1
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Put back the git branch into git (Earthly uses it for tagging)
      run: |
        branch=""
        if [ -n "$GITHUB_HEAD_REF" ]; then
          branch="$GITHUB_HEAD_REF"
        else
          branch="${GITHUB_REF##*/}"
        fi
        git checkout -b "$branch" || true

    - name: Download latest earthly
      run: "sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/download/v0.6.10/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'"

    - name: Earthly version
      run: earthly --version

    - name: Run build
      run: |
        branch=""
        if [ -n "$GITHUB_HEAD_REF" ]; then
          branch="$GITHUB_HEAD_REF"
        else
          branch="${GITHUB_REF##*/}"
        fi
        earthly --build-arg tag="$GITHUB_SHA" --ci --push +github
        if [ "$branch" = "main" ]; then
          earthly --build-arg tag="latest" --ci --push +github
        fi