Add Github workflow, extend Dockerfile

.github/workflows/docker-build.yml

@@ -0,0 +1,51 @@
+---
+name: Build and publish the wyoming-satellite docker image
+
+on:
+  push:
+    # We only want to build on repackaging tags
+    # Example: v1.2.0-0
+    tags: ["v[0-9]+.[0-9]+.[0-9]+-[0-9]+"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+      - name: Log in to the Container registry
+        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
+...

Dockerfile

@@ -4,7 +4,7 @@ ENV LANG C.UTF-8
 ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update && \
-    apt-get install --yes --no-install-recommends avahi-utils
+    apt-get install --yes --no-install-recommends avahi-utils alsa-utils pulseaudio-utils pipewire-bin
 
 WORKDIR /app