Add github actions to publish images to publish to github registry

.github/workflows/image-push-main.yaml

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+name: "Push images on merge to main"
+
+env:
+  IMAGE_NAME: ghcr.io/${{ github.repository }}
+  BUILD_PLATFORMS: linux/amd64,linux/arm64,linux/ppc64le
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    env:
+      IMAGE_NAME: ghcr.io/${{ github.repository }}
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      # Add support for more platforms with QEMU (optional)
+      # https://github.com/docker/setup-qemu-action
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker meta
+        id: docker_meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+
+      - name: Build and push container image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: ${{ env.BUILD_PLATFORMS }}
+          tags: |
+            ${{ env.IMAGE_NAME }}:latest
+            ${{ env.IMAGE_NAME }}:${{ github.sha }}
+          file: ./Dockerfile
+          labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/image-push-release.yaml

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+name: "Push images on release"
+
+env:
+  IMAGE_NAME: ghcr.io/${{ github.repository }}
+  BUILD_PLATFORMS: linux/amd64,linux/arm64,linux/ppc64le
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    env:
+      IMAGE_NAME: ghcr.io/${{ github.repository }}
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      # Add support for more platforms with QEMU (optional)
+      # https://github.com/docker/setup-qemu-action
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker meta
+        id: docker_meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          flavor: |
+            latest=false
+
+      - name: Build and push container image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: ${{ env.BUILD_PLATFORMS }}
+          tags: |
+            ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+          file: ./Dockerfile