docker.yml

# ─────────────────────────────────────────────────────────────────────────────
#  Tonviewer — Docker Build & Push
#  Triggers : push to main, or GitHub Release published
#  Registry : Docker Hub  (DOCKERHUB_USERNAME / DOCKERHUB_TOKEN secrets)
# ─────────────────────────────────────────────────────────────────────────────

name: Docker

on:
  push:
    branches: [main]
    tags:     ["v*.*.*"]
  release:
    types: [published]

jobs:

  docker:
    name: Build & Push Docker Image
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata (tags & labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ secrets.DOCKERHUB_USERNAME }}/tonviewer
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          target: runtime
          tags:   ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to:   type=gha,mode=max