docker-build-and-push.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - main
  # Schedule for automatic builds
  schedule:
    - cron: '0 0 * * *' # Every day at midnight UTC
  workflow_dispatch: # Allow manual triggers
  
jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: |
            /tmp/.buildx-cache
            /tmp/.buildkit
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
            
      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_PASSWORD }}

      - name: Build and push Docker image
        run: |
          docker buildx build --push --tag hanisntsolo/codeforces-lamp:latest .