Build: Bluesky Image for Content Registry (#54)

* fix: drop extra pytest configurations

* fix: yml

* test: push simple image to test

* fix: add buildx

* fix: permissions

* fix: try again after databroker-nsls2

* try again in repo content reg

* syntax

* reset to bluesky and main

.github/workflows/publish-images.yml

@@ -0,0 +1,49 @@
+name: Build and Publish Container Images
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME_BASE: ${{ github.repository }}
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - name: Check out the repo
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Log in to the Container registry
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_BASE }}-bluesky
+
+    - name: Build and push image to GitHub Container Registry
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        file: ./compose/bluesky/Containerfile
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}