Delete Git logs and permission error after deploy

[Jay-flow]

I even succeeded in deploying on the production server. However, an unknown phenomenon occurs after deployment to the server.

1. When inquiring with the git log command, all previous logs disappeared except for the last commit log.

2. The error below continues to occur during the login process when I pull or fetch.

Username for 'https://github.com': jay-flow
Password for 'https://[email protected]':
remote: Invalid username or password.
fatal: Authentication failed for 'https://github.com/repo/'

I checked my user name and password on my account several times and it works well elsewhere. I'm sure I typed it correctly.

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Is there anyone who knows how to solve this problem? Please let me know. (I think it caused the problem by deploying the .git folder together. But I don't know how to solve this)

Below is my Action It is deployed normally.

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

name: Deploy to AWS EC2

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]


# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
     
      - name: Deploy to back end
        uses: easingthemes/[email protected]
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          REMOTE_HOST: ${{ secrets.REMOTE_HOST }}
          REMOTE_USER: ${{ secrets.REMOTE_USER }}
          TARGET: ${{ secrets.TARGET }}