diff --git a/.github/workflows/ghcr-image-main-fork.yml b/.github/workflows/ghcr-image-main-fork.yml
index def673f694..3ae198bde3 100644
--- a/.github/workflows/ghcr-image-main-fork.yml
+++ b/.github/workflows/ghcr-image-main-fork.yml
@@ -1,14 +1,20 @@
 name: ghcr-image-main
 
 on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
+  workflow_call:
+    inputs:
+      image-suffix:
+        required: false
+        type: string
+        default: ""
+      cargo-features:
+        required: false
+        type: string
+        default: ""
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: ${{ github.repository }}${{ inputs.image-suffix != '' && '/' || '' }}${{ inputs.image-suffix }}
   IMAGE_TAG: nightly
 
 jobs:
@@ -23,6 +29,9 @@ jobs:
       json: ${{ steps.meta.outputs.json }}
       image-name: ${{ steps.custom-meta.outputs.image-name }}
 
+    permissions:
+      contents: read
+
     steps:
       - name: Checkout current fork HEAD
         uses: actions/checkout@v4.1.5
@@ -74,6 +83,10 @@ jobs:
     needs:
       - meta
 
+    permissions:
+      contents: read
+      packages: write
+
     strategy:
       fail-fast: false
       matrix:
@@ -117,8 +130,9 @@ jobs:
         with:
           context: .
           file: docker/Dockerfile
-          build-args:
+          build-args: |
             RUST_RELEASE_MODE=release
+            ${{ inputs.cargo-features != '' && format('CARGO_BUILD_FEATURES={0}', inputs.cargo-features) || '' }}
           platforms: ${{ matrix.platform }}
           labels: ${{ needs.meta.outputs.labels }}
           annotations: ${{ needs.meta.outputs.annotations }}
@@ -137,7 +151,7 @@ jobs:
       - name: Upload digest
         uses: actions/upload-artifact@v4.3.3
         with:
-          name: digests-${{ steps.meta.outputs.platform-pair }}
+          name: digests-${{ inputs.image-suffix != '' && inputs.image-suffix || '_default_' }}-${{ steps.meta.outputs.platform-pair }}
           path: /tmp/digests/*
           if-no-files-found: error
           retention-days: 1
@@ -162,7 +176,7 @@ jobs:
         uses: actions/download-artifact@v4.1.7
         with:
           path: /tmp/digests
-          pattern: digests-*
+          pattern: digests-${{ inputs.image-suffix != '' && inputs.image-suffix || '_default_' }}-*
           merge-multiple: true
 
       - name: Set up Docker Buildx
diff --git a/.github/workflows/ghcr-multi-flavor-builds-fork.yml b/.github/workflows/ghcr-multi-flavor-builds-fork.yml
new file mode 100644
index 0000000000..31cad60663
--- /dev/null
+++ b/.github/workflows/ghcr-multi-flavor-builds-fork.yml
@@ -0,0 +1,27 @@
+name: multi-flavor-builds
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  trigger-alternative-builds:
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        variant:
+          # default image
+          - image-suffix: ""
+            cargo-features: ""
+          - image-suffix: json-log
+            cargo-features: json-log
+
+    uses: ./.github/workflows/ghcr-image-main-fork.yml
+    with:
+      image-suffix: ${{ matrix.variant.image-suffix }}
+      cargo-features: ${{ matrix.variant.cargo-features }}
diff --git a/.github/workflows/sync-fork.yml b/.github/workflows/sync-fork.yml
index fb6b79aa9c..7c2f5a8108 100644
--- a/.github/workflows/sync-fork.yml
+++ b/.github/workflows/sync-fork.yml
@@ -53,6 +53,6 @@ jobs:
         uses: benc-uk/workflow-dispatch@25b02cc069be46d637e8fe2f1e8484008e9e9609 # v1.2.3
         with:
           ref: ${{ github.event.repository.default_branch }}
-          workflow: ghcr-image-main-fork.yml
+          workflow: ghcr-multi-flavor-builds-fork.yml
         if: >-
           fromJSON(steps.check-missing-commits.outputs.commit-count) > 0