build.yaml

name: Build and Push Docker Image

on:
  push:
    branches: ["master"]
  pull_request:
    branches: ["master"]
  workflow_dispatch: # Allows you to run this workflow manually

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      # Step 1: Check out the repository code
      - name: Checkout code
        uses: actions/checkout@v3

      # Step 2: Set up Docker Buildx (allows multi-platform builds and advanced features)
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      # Step 3: Log in to Docker Hub using GitHub Secrets
      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Step 4: Build and push the Docker image
      - name: Build and Push Docker Image
        uses: docker/build-push-action@v4
        with:
          # Path to your Dockerfile context (the directory containing Dockerfile)
          context: .
          # Explicitly specify the Dockerfile if it's not in the root
          file: ./Dockerfile
          # The image(s) to push. Replace "YOUR_DOCKERHUB_USERNAME" and "YOUR_IMAGE_NAME".
          # You can add multiple tags, for example, "latest" and one that references the commit SHA.
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/YOUR_IMAGE_NAME:latest
            ${{ secrets.DOCKERHUB_USERNAME }}/YOUR_IMAGE_NAME:${{ github.sha }}
          push: true
          # (Optional) If you want multi-platform images, e.g., for amd64 & arm64, add:
          # platforms: linux/amd64,linux/arm64

      # Optional: If you want to confirm the image was successfully built/pushed,
      # you can add steps such as "docker pull" or other testing steps here.