deploy_app_image.yml

# This workflow is to build and publish a docker image containing the shiny app
# It's based on: https://docs.github.com/en/actions/publishing-packages/publishing-docker-images

name: build-and-publish-app-image

on:
  # Option to manually trigger deploy
  workflow_dispatch:
  # Automatic re-deploy at 3:07AM every Fri
  schedule:
    - cron: '7 3 * * 5'
  push:
    branches:
      - 'master'
    paths:
      # Only run when a relevant file is updated
      - 'app/data/ww_re_estimates.csv'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}