keep-site-alive.yml

name: Keep Streamlit App Alive + Create Alert 

permissions:
  contents: write
  issues: write

on:
  schedule:
    - cron: '0 8 * * *'   # Every day at 08:00 UTC
    - cron: '0 20 * * *'  # Every day at 20:00 UTC
  workflow_dispatch:      # Manual trigger

jobs:
  ping-site:
    runs-on: ubuntu-latest

    steps:
    - name: Ping the Streamlit app
      id: ping
      run: |
        RESPONSE=$(curl --silent --output /dev/null --write-out "%{http_code}" https://semartagger.streamlit.app/)
        echo "HTTP_RESPONSE=$RESPONSE" >> $GITHUB_ENV
        echo "App responded with status $RESPONSE"

    - name: Create GitHub Issue if app is DOWN
      if: env.HTTP_RESPONSE != '200' && env.HTTP_RESPONSE != '303'
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        echo "App is DOWN with status $HTTP_RESPONSE"
        gh issue create --title "Streamlit App Down Alert" --body "The Streamlit app [semARTagger](https://semartagger.streamlit.app/) is down. Status code: $HTTP_RESPONSE." --repo ${{ github.repository }}