demo.yml

# This is a basic workflow to help you get started with Actions

name: Demo

on:
  push:
    branches: [ master, demo ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./demo
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

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

      - name: Build Docker image
        run: docker build . -t ghcr.io/${{ github.repository }}:${{ github.sha }}

      - name: Push Docker image
        run: docker push ghcr.io/${{ github.repository }}:${{ github.sha }}

      - name: Repleace ENV variables in deploy files
        run: |
          mkdir apply
          for f in $(find ./deploy/ -regex '.*\.yml'); do envsubst < $f > "./apply/$(basename $f)"; done
      - uses: actions-hub/kubectl@master
        env:
          KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
        with:
          args: apply -f ./demo/apply/