feat: Build container containing roots

.github/renovate.json

@@ -0,0 +1,41 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    ":disableRateLimiting",
+    ":dependencyDashboard",
+    ":semanticCommits",
+    ":separatePatchReleases",
+    ":enablePreCommit"
+  ],
+  "rebaseWhen": "conflicted",
+  "timezone": "Etc/UTC",
+  "dependencyDashboardTitle": "Renovate Dashboard",
+  "dependencyDashboardLabels": ["renovate"],
+  "commitMessageTopic": "{{depName}}",
+  "commitMessageExtra": "to {{newVersion}}",
+  "commitMessageSuffix": "",
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["major"],
+      "semanticCommitType": "feat",
+      "commitMessagePrefix": "{{semanticCommitType}}({{semanticCommitScope}})!: "
+    },
+    {
+      "matchUpdateTypes": ["minor"],
+      "semanticCommitType": "feat"
+    },
+    {
+      "matchUpdateTypes": ["patch"],
+      "semanticCommitType": "fix"
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "semanticCommitType": "ci"
+    },
+    {
+      "matchDatasources": ["docker"],
+      "commitMessageTopic": "Docker image {{depName}}"
+    }
+  ]
+}

.github/workflows/release.yaml

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+---
+name: Release
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "master"
+    tags:
+      - "v*"
+
+env:
+  REGISTRY: ghcr.io/sectigo/ctlog-acceptedroots
+
+permissions:
+  packages: write
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.REGISTRY }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and Push ctfe
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM busybox:1.36
+USER nobody
+
+COPY crt/* /ctlog-roots/crt/
+COPY pem/* /ctlog-roots/pem/
+COPY tsv/* /ctlog-roots/tsv/