GitHub Actions CI/CD failing due to SSH authentication issues

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1

I’m having trouble with my CI/CD pipeline. Everything works fine when I connect to my server from my local machine. I can use SSH to access GitHub without any problems. But when I try to use GitHub Actions, I keep getting a ‘Permission denied (publickey)’ error.

Here’s what my GitHub Actions workflow looks like:

name: Deploy to DigitalOcean

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Deploy via SSH
        uses: remoteexec/ssh-action@v1
        with:
          host: ${{ secrets.DO_HOST }}
          user: ${{ secrets.DO_USER }}
          key: ${{ secrets.DO_KEY }}
          port: ${{ secrets.DO_PORT }}
          script: |
            cd ~/myapp
            git pull origin main
            npm run build
            pm2 restart myapp

When I check for SSH identities on the server through my local machine, I see my key. But when I do the same through GitHub Actions, it says there are no identities.

My server is on a DigitalOcean droplet running Ubuntu 20.04. Any ideas on how to fix this SSH key issue in my GitHub Actions workflow?

2

hey man, sounds like a real headache. have u tried adding the ssh key to github secrets? might be worth checkin if the DO_KEY secret is correct and properly formatted. also, make sure the ssh key on ur droplet matches the one in github. good luck!