Docker support

.dockerignore

@@ -0,0 +1,4 @@
+/target
+config.toml
+secrets.toml
+.direnv

.github/workflows/publish.yml

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+name: Build Docker Image
+
+on:
+  push:
+    branches:
+      - docker
+
+env:
+  REGISTRY: ghcr.io
+  BASE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: "${{ env.REGISTRY }}/${{ env.BASE_NAME }}"
+      - id: push
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+      - uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: "${{ env.REGISTRY }}/${{ env.BASE_NAME }}"
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

.gitignore

@@ -1,3 +1,4 @@
 /target
 config.toml
+secrets.toml
 .direnv