name: Docker Image CI

on: [push]

jobs:
  
  build-upload:
    name: Build Image and Upload to Docker Hub
    runs-on: ubuntu-latest
    steps:
    - name: Checkout Repo
      uses: actions/checkout@v1

    - name: Build and Upload
      env:
        DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
      run: |
        # Variables
        TAG=$(date +%y.%m)
        NAME=silentdigit/letsencrypt

        # Build image
        docker build --tag ${NAME}:${TAG} .

        # Push image as current version
        docker login -u silentdigit -p ${DOCKER_TOKEN}
        docker push ${NAME}:${TAG}

        # Push image as latest
        docker tag ${NAME}:${TAG} ${NAME}:latest
        docker push ${NAME}:latest