deploy.yml

name: Deploy

on:
  push:
    branches:
      - main

concurrency:
  group: deploy
  cancel-in-progress: false

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-node@v7
        with:
          node-version: 22
          cache: npm

      - run: npm ci
      - run: npm run build

      - name: Bundle a downloadable local copy (built app + agent, no source)
        run: |
          mkdir -p release/gpiozero-flow/agent
          cp -r dist/. release/gpiozero-flow/
          cp gpiozero_flow/gpio_agent.py gpiozero_flow/README.md release/gpiozero-flow/agent/
          (cd release && zip -rq ../dist/gpiozero-flow.zip gpiozero-flow)

      - name: Deploy over SSH
        env:
          SSH_KEY: ${{ secrets.SSH_KEY }}
          SERVER_HOST: ${{ secrets.SERVER_HOST }}
          SERVER_USER: ${{ secrets.SERVER_USER }}
        run: |
          install -m 700 -d ~/.ssh
          echo "$SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -H "$SERVER_HOST" >> ~/.ssh/known_hosts

          SSH="ssh -i ~/.ssh/deploy_key $SERVER_USER@$SERVER_HOST"
          WWW_DIR=www/flow.bennuttall.com
          STAGING="$WWW_DIR.new"
          PREVIOUS="$WWW_DIR.old"

          $SSH "rm -rf $STAGING && mkdir -p $STAGING"

          rsync -az --delete --no-o --no-g --chmod=D755,F644 \
            -e "ssh -i ~/.ssh/deploy_key" \
            dist/ "$SERVER_USER@$SERVER_HOST:$STAGING/"

          $SSH "rm -rf $PREVIOUS; [ -d $WWW_DIR ] && mv $WWW_DIR $PREVIOUS; mv $STAGING $WWW_DIR; rm -rf $PREVIOUS"