# Publish Docker images to GitHub Container Registry (GHCR).
#
# Triggers:
#   - push of a tag matching `v*` (e.g. `v0.2.7`) → pushed as :0.2.7 + :latest
#   - workflow_dispatch → pushed as :sha-<short> (for testing)
#
# Images land at: ghcr.io/debpalash/omnivoice-studio

name: Docker (GHCR)

on:
  push:
    tags: ['v*']
  workflow_dispatch:

permissions:
  contents: read
  packages: write

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  build-and-push:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

      # QEMU enables cross-platform builds (arm64 on x64 runner).
      # Skipped for now — only building linux/amd64.
      # - uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extracts semver tags from the git ref:
      #   v0.2.7 → 0.2.7, latest
      #   manual dispatch → sha-abc1234
      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=sha-,format=short
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: deploy/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max