Add GitHub Actions workflow for building and pushing Docker images

Author: josharnow

.github/workflows/docker-build-and-push.yml

@@ -0,0 +1,47 @@
+# NOTE - https://docs.github.com/en/actions/how-tos/reuse-automations/reuse-workflows
+name: Build & Push Docker Image
+
+on:
+  workflow_call:
+    # inputs:
+    #   config-path:
+    #     required: true
+    #     type: string
+    secrets:
+      GITHUB_TOKEN:
+        required: true
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4.2.2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.11.1
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3.4.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5.7.0
+        with:
+          images: ghcr.io/${{ github.repository }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6.18.0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}