build-test.yml

name: Code-Checks
on:
  push:
    branches-ignore:
      - master
      - main
      - develop
    paths-ignore:
      - README.md
      - .old_cicd/*
      - .github/*
      - .github/workflows/*
      - LICENSE
      - .gitignore
      - .dockerignore
      - .githooks
  pull_request:
    branches:
      - develop
      - master
      - main 
    types: [ opened, synchronize ]

jobs:
  test-image-build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    - name: Set short git commit SHA
      id: vars
      run: |
        echo "short_sha=$(git rev-parse --short ${{ github.sha }})" >> $GITHUB_OUTPUT
    # https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

    - name: Confirm git commit SHA output
      run: echo ${{ steps.vars.outputs.short_sha }}

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Login to DockerHub
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}
        logout: true

    # Notes on Cache: 
    # https://docs.docker.com/build/ci/github-actions/examples/#inline-cache
    - name: Build Container
      uses: docker/build-push-action@v5
      with:
        context: .
        push: false
        cache-from: type=registry,ref=${{ github.repository }}:buildcache
        cache-to: type=registry,ref=${{ github.repository }}:buildcache,mode=max