build(container): pin gitleaks instead of resolving the latest release

.github/workflows/sandbox-image.yml

@@ -0,0 +1,112 @@
+name: Sandbox Image
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Image tag to publish (e.g. 1.2.0)'
+        required: true
+      latest:
+        description: 'Also tag as latest'
+        type: boolean
+        default: true
+
+permissions:
+  contents: read
+
+env:
+  IMAGE: ghcr.io/${{ github.repository_owner }}/strix-sandbox
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+            platform: linux/amd64
+          - os: ubuntu-22.04-arm
+            platform: linux/arm64
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          persist-credentials: false
+
+      - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c  # v4.2.0
+
+      - uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f  # v4.6.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a  # v7.3.0
+        with:
+          context: .
+          file: containers/Dockerfile
+          platforms: ${{ matrix.platform }}
+          provenance: mode=max
+          sbom: true
+          outputs: type=image,name=${{ env.IMAGE }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest
+        env:
+          DIGEST: ${{ steps.build.outputs.digest }}
+        run: |
+          set -euo pipefail
+          mkdir -p /tmp/digests
+          touch "/tmp/digests/${DIGEST#sha256:}"
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: digest-${{ runner.arch }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
+        with:
+          path: /tmp/digests
+          pattern: digest-*
+          merge-multiple: true
+
+      - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c  # v4.2.0
+
+      - uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f  # v4.6.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list
+        env:
+          TAG: ${{ inputs.tag }}
+          ALSO_LATEST: ${{ inputs.latest }}
+        run: |
+          set -euo pipefail
+          tags=(-t "${IMAGE}:${TAG}")
+          if [ "${ALSO_LATEST}" = "true" ]; then
+            tags+=(-t "${IMAGE}:latest")
+          fi
+          digests=()
+          for file in /tmp/digests/*; do
+            digests+=("${IMAGE}@sha256:$(basename "$file")")
+          done
+          docker buildx imagetools create "${tags[@]}" "${digests[@]}"
+          docker buildx imagetools inspect "${IMAGE}:${TAG}"

containers/Dockerfile

@@ -162,6 +162,7 @@ USER root
 ARG TRUFFLEHOG_VERSION=3.95.9
 RUN curl -sSfL https://raw.githubusercontent.com/trufflesecurity/trufflehog/main/scripts/install.sh | sh -s -- -b /home/pentester/.local/bin "v${TRUFFLEHOG_VERSION}" && \
     chown -R pentester:pentester /home/pentester/.local
+ARG GITLEAKS_VERSION=8.30.1
 RUN set -eux; \
     ARCH="$(uname -m)"; \
     case "$ARCH" in \
@@ -169,8 +170,7 @@ RUN set -eux; \
         aarch64|arm64) GITLEAKS_ARCH="arm64" ;; \
         *) echo "Unsupported architecture: $ARCH" >&2; exit 1 ;; \
     esac; \
-    TAG="$(curl -fsSL https://api.github.com/repos/gitleaks/gitleaks/releases/latest | jq -r .tag_name)"; \
-    curl -fsSL "https://github.com/gitleaks/gitleaks/releases/download/${TAG}/gitleaks_${TAG#v}_linux_${GITLEAKS_ARCH}.tar.gz" -o /tmp/gitleaks.tgz; \
+    curl -fsSL "https://github.com/gitleaks/gitleaks/releases/download/v${GITLEAKS_VERSION}/gitleaks_${GITLEAKS_VERSION}_linux_${GITLEAKS_ARCH}.tar.gz" -o /tmp/gitleaks.tgz; \
     tar -xzf /tmp/gitleaks.tgz -C /tmp; \
     install -m 0755 /tmp/gitleaks /usr/local/bin/gitleaks; \
     rm -f /tmp/gitleaks /tmp/gitleaks.tgz