build actions

.github/workflows/docker-publish.yml

@@ -0,0 +1,75 @@
+# Сборка образа и публикация на Docker Hub (hub.docker.com).
+#
+# Настройка в GitHub → Settings → Secrets and variables → Actions:
+#   DOCKERHUB_USERNAME — логин Docker Hub
+#   DOCKERHUB_TOKEN     — Access Token (рекомендуется), см. https://hub.docker.com/settings/security
+#
+# Опционально: Variables → DOCKERHUB_IMAGE (например org/max2telegram), если имя образа
+# отличается от <DOCKERHUB_USERNAME>/max2telegram.
+
+name: Docker Hub
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+concurrency:
+  group: docker-hub-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+  actions: write # кэш слоёв Buildx (type=gha)
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set image name
+        id: image
+        run: |
+          if [ -n "${{ vars.DOCKERHUB_IMAGE }}" ]; then
+            echo "name=${{ vars.DOCKERHUB_IMAGE }}" >> "$GITHUB_OUTPUT"
+          else
+            echo "name=${{ secrets.DOCKERHUB_USERNAME }}/max2telegram" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Docker Hub login
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker metadata (теги)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ steps.image.outputs.name }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha,prefix=
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max