ssh username@hostIP works in Ubuntu.
but I got error when I execute remote ssh on Github actions.

-workflows file

name: 'build-and-deploy'
on: 
  push:
    branches:
      - hanul

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/[email protected]

      - name: execute remote ssh
        uses: appleboy/[email protected]
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          port: ${{ secrets.SSH_PORT }}
          script: |
            sudo ufw status
            whoami
            git pull origin master

• result

dial tcp :: i/o timeout

*I set the ports to the same as in the sshd_config