add docker.yml

.github/workflows/docker.yml

@@ -0,0 +1,50 @@
+name: Docker
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ "main" ]
+    tags:
+        - "v*"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: opinit
+
+jobs:
+  opinit:
+    name: opinit
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    outputs:
+      tags: ${{ steps.meta.outputs.tags }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          build-args: "GITHUB_ACCESS_TOKEN=${{ secrets.GH_READ_TOKEN }}"
+          file: bots/Dockerfile
+          push: ${{ startsWith(github.ref, 'refs/tags') }} # push image only for tags
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}