Add github action to publish docker images

.github/workflows/docker-publish.yml

@@ -0,0 +1,88 @@
+name: Build & Publish Docker Images
+
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+    inputs:
+      dry_run:
+        description: 'Build images only, do not push'
+        required: false
+        default: 'true'
+
+jobs:
+  discover-dockerfiles:
+    runs-on: ubuntu-latest
+    outputs:
+      dockerfiles: ${{ steps.extract.outputs.dockerfiles }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Generate matrix from manifest.yaml
+        id: extract
+        run: |
+          files=()
+          roots=$(yq e -r 'keys | .[]' manifest.yaml)
+          for root in $roots; do
+            while read -r version; do
+              dockerfile="./${root}/${version}/Dockerfile"
+              # Read image_name including tag
+              image_name=$(yq e -r ".${root}.versions.\"${version}\".image_name" manifest.yaml)
+              if [ -n "$image_name" ] && [ "$image_name" != "null" ]; then
+                files+=("$dockerfile|$image_name")
+              fi
+            done < <(yq e -r ".${root}.versions | keys | .[]" manifest.yaml)
+          done
+
+          # Convert array to compact JSON for GitHub Actions matrix
+          json=$(printf '%s\n' "${files[@]}" | jq -R -c . | jq -c -s .)
+          echo "dockerfiles=$json" >> $GITHUB_OUTPUT
+
+  build-and-push:
+    needs: discover-dockerfiles
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        entry: ${{ fromJson(needs.discover-dockerfiles.outputs.dockerfiles) }}
+
+    env:
+      DRY_RUN: ${{ github.event.inputs.dry_run }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        if: ${{ env.DRY_RUN != 'true' }}
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Parse Dockerfile and image
+        id: metadata
+        run: |
+          dockerfile="${{ matrix.entry }}"
+          dockerfile="${dockerfile%%|*}"
+          image="${{ matrix.entry }}"
+          image="${image##*|}"  # Already includes tag from manifest
+          dir=$(dirname "$dockerfile")
+          short_sha="${GITHUB_SHA:0:7}"
+
+          echo "directory=$dir" >> $GITHUB_OUTPUT
+          echo "image=$image" >> $GITHUB_OUTPUT
+          echo "short_sha=$short_sha" >> $GITHUB_OUTPUT
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ steps.metadata.outputs.directory }}
+          file: ${{ steps.metadata.outputs.directory }}/Dockerfile
+          push: ${{ env.DRY_RUN != 'true' }}
+          tags: |
+            ${{ steps.metadata.outputs.image }}

manifest.yaml

@@ -1,24 +1,28 @@
 dotnet:
   versions:
     '8.0/aspnet':
+      image_name: clickview/dotnet-core-aspnet:8.0
       data:
         image_repo: mcr.microsoft.com/dotnet/aspnet
         image_version: 8.0.19
         image_type: bookworm-slim
         env_version_key: ASPNETCORE_VERSION
     '8.0/runtime':
+      image_name: clickview/dotnet-core-runtime:8.0
       data:
         image_repo: mcr.microsoft.com/dotnet/runtime
         image_version: 8.0.19
         image_type: bookworm-slim
         env_version_key: DOTNET_VERSION
     '9.0/aspnet':
+      image_name: clickview/dotnet-core-aspnet:9.0
       data:
         image_repo: mcr.microsoft.com/dotnet/aspnet
         image_version: 9.0.8
         image_type: bookworm-slim
         env_version_key: ASPNETCORE_VERSION
     '9.0/runtime':
+      image_name: clickview/dotnet-core-runtime:9.0
       data:
         image_repo: mcr.microsoft.com/dotnet/runtime
         image_version: 9.0.8
@@ -28,8 +32,10 @@ dotnet:
 dotnet-sdk:
   versions:
     '8.0':
+      image_name: clickview/dotnet-core-sdk:8.0
       data:
         image_version: 8.0.413-bookworm-slim
     '9.0':
+      image_name: clickview/dotnet-core-sdk:9.0
       data:
         image_version: 9.0.304-bookworm-slim