feat: add docker github action

Signed-off-by: Ludovic Ortega <[email protected]>

.github/workflows/docker.yml

@@ -0,0 +1,41 @@
+name: Create and publish a Docker image
+on:
+  push:
+    tags: ["*"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,9 @@
 FROM python:3.12.3-alpine as base
+LABEL org.opencontainers.image.title=hyperglass
+LABEL org.opencontainers.image.description="hyperglass is an open source network looking glass"
+LABEL org.opencontainers.image.authors="Matt Love <[email protected]>"
+LABEL org.opencontainers.image.url=https://github.com/thatmattlove/hyperglass
+LABEL org.opencontainers.image.licenses=BSD-3-Clause
 WORKDIR /opt/hyperglass
 ENV HYPERGLASS_APP_PATH=/etc/hyperglass
 ENV HYPERGLASS_HOST=0.0.0.0