docker-image.yml

name: Docker Image CI/CD

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        ref: main
        fetch-depth: 0
    - name: Get Latest Tag
      id: get_tag
      run: |
        TAG=$(git describe --abbrev=0)
        echo "TAG=$TAG" >> $GITHUB_ENV
      continue-on-error: true

    - name: Set Default Tag If Missing
      if: steps.get_tag.outcome != 'success'
      run: |
        echo "TAG=v1.0.0" >> $GITHUB_ENV
        
    - name: Docker Login
      env:
        DOCKER_USER: ${{secrets.DOCKER_USER}}
        DOCKER_PASSWORD: ${{secrets.DOCKER_PASSWORD}}
      run: |
        docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
        
    - name: Docker Build
      run: docker build . --file Dockerfile --tag ${{secrets.DOCKER_REPO}}/${{secrets.DOCKER_IMAGE}}:$TAG
      
    - name: DockerHub Push
      run: docker push ${{secrets.DOCKER_REPO}}/${{secrets.DOCKER_IMAGE}}:$TAG