diff --git a/.github/workflows/publish_docker_images.yml b/.github/workflows/publish_docker_images.yml
index 4a7f7e608..1f2b37bca 100644
--- a/.github/workflows/publish_docker_images.yml
+++ b/.github/workflows/publish_docker_images.yml
@@ -1,22 +1,36 @@
-# Build and publish Docker images for different applications.
+# Build and publish Docker images for different applications using AWS EC2.
 name: Publish Docker Images
 
 on:
-  push:
-    branches:
-      - main
-    tags:
-      - v*
+  workflow_dispatch:
+    inputs:
+      instance_id:
+        description: 'Instance ID'
+        type: string
+      instance_image_id:
+        description: 'Instance AMI ID'
+        type: string
+      instance_type:
+        description: 'Instance product type'
+        type: string
+      runner_name:
+        description: 'Action runner name'
+        type: string
+      request_id:
+        description: 'Slab request ID'
+        type: string
+      matrix_item:
+        description: 'Build matrix item'
+        type: string
 
 env:
   THIS_FILE: .github/workflows/continuous-integration.yml
 
 jobs:
   BuildAndPushDockerImages:
-    if: ${{ needs.BuildAndPublishHPXDockerImage.outputs.image_built == 'true' || needs.BuildAndPublishCUDADockerImage.outputs.image_built == 'true' }}
     needs: [BuildAndPublishHPXDockerImage, BuildAndPublishCUDADockerImage]
     name: Build & Publish Docker Images
-    runs-on: ubuntu-20.04
+    runs-on: ${{ github.event.inputs.runner_name }}
     strategy:
       matrix:
         include:
@@ -62,8 +76,6 @@ jobs:
     runs-on: ubuntu-20.04
     env:
       IMAGE: ghcr.io/zama-ai/hpx
-    outputs:
-      image_built: ${{ steps.is-built.outputs.IMAGE_BUILT }}
 
     steps:
       - uses: actions/checkout@v3
@@ -85,18 +97,12 @@ jobs:
           docker build -t "${IMAGE}" -f builders/Dockerfile.hpx-env .
           docker push "${IMAGE}:latest"
 
-      - name: Is Image Built
-        id: is-built
-        run: echo "::set-output name=IMAGE_BUILT::${{ contains(steps.changed-files.outputs.modified_files, 'builders/Dockerfile.hpx-env') }}"
-
   BuildAndPublishCUDADockerImage:
     name: Build & Publish CUDA Docker Image
     runs-on: ubuntu-20.04
     env:
       IMAGE: ghcr.io/zama-ai/cuda
       TAG: "11-7"
-    outputs:
-      image_built: ${{ steps.is-built.outputs.IMAGE_BUILT }}
 
     steps:
       - uses: actions/checkout@v3
@@ -119,7 +125,3 @@ jobs:
           docker image tag "${IMAGE}" "${IMAGE}:${TAG}"
           docker push "${IMAGE}:latest"
           docker push "${IMAGE}:${TAG}"
-
-      - name: Is Image Built
-        id: is-built
-        run: echo "::set-output name=IMAGE_BUILT::${{ contains(steps.changed-files.outputs.modified_files, 'builders/Dockerfile.cuda-env') }}"
diff --git a/.github/workflows/start_aws_builds.yml b/.github/workflows/start_aws_builds.yml
index dcfd8c8c5..409776969 100644
--- a/.github/workflows/start_aws_builds.yml
+++ b/.github/workflows/start_aws_builds.yml
@@ -13,7 +13,7 @@ jobs:
   start-builds:
     strategy:
       matrix:
-        command: [cpu-build, gpu-build]
+        command: [cpu-build, gpu-build, docker-images-build]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Slab repo
diff --git a/ci/slab.toml b/ci/slab.toml
index 494cdb3c1..5addcbeb4 100644
--- a/ci/slab.toml
+++ b/ci/slab.toml
@@ -31,6 +31,12 @@ workflow = "aws_build_gpu.yml"
 profile = "gpu"
 check_run_name = "AWS GPU build (Slab)"
 
+# Trigger Docker images build
+[command.docker-images-build]
+workflow = "publish_docker_images.yml"
+profile = "m6i-old"
+check_run_name = "AWS Docker images build & publish (Slab)"
+
 # Trigger ML benchmarks by running each use cases subset in parallel.
 [command.ml-bench]
 workflow = "ml_benchmark_subset.yml"