diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 000000000..0564b9ac7
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,107 @@
+name: Docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  push:
+    branches: [ "main" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches:
+      - main
+      - devel
+      - release-1.4
+      - release-1.4.0.1
+      - release-1.4.1
+      - release-1.4.2
+      - devel-1.4.2
+      - devel-1.4.2.1
+      - devel-1.4.2.2
+      - devel-1.5
+      - devel-1.6
+
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Install the cosign tool except on PR
+      # https://github.com/sigstore/cosign-installer
+      - name: Install cosign
+        if: github.event_name != 'pull_request'
+        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
+        with:
+          cosign-release: 'v2.1.1'
+
+      # Set up BuildKit Docker container builder to be able to build
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      # Sign the resulting Docker image digest except on PRs.
+      # This will only write to the public Rekor transparency log when the Docker
+      # repository is public to avoid leaking data.  If you would like to publish
+      # transparency data even for private images, pass --force to cosign below.
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' }}
+        env:
+          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
+          TAGS: ${{ steps.meta.outputs.tags }}
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}
+        # This step uses the identity token to provision an ephemeral certificate
+        # against the sigstore community Fulcio instance.
+        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000..7f343c8f9
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,32 @@
+FROM rockylinux:8.8
+
+WORKDIR /app
+
+# why this is not part of prereq.sh ?
+RUN dnf install -y python38 iproute
+
+# prereq
+RUN echo "SELINUX=disabled" > /etc/selinux/config
+COPY prereq.sh .
+RUN bash -euxo pipefail ./prereq.sh
+
+# why this is not part of prereq.sh ?
+# see provision/roles/provision_validation/tasks/package_installation.yml
+RUN dnf install -y \
+  python3-netaddr \
+  openssl \
+  dos2unix \
+  net-snmp \
+  net-snmp-utils \
+  sshpass \
+  python3-pexpect
+
+# why above RPMs are not enough ?
+RUN python3 -m pip install netaddr pexpect
+
+# why this is not part of prereq.sh ?
+# see telemetry/roles/omnia_telemetry_cp/tasks/python_package_installation.yml
+RUN python3 -m pip install pyinstaller psutil
+
+ENTRYPOINT ["ansible-playbook"]
+CMD ["prepare_cp.yml", "-vv"]
\ No newline at end of file
diff --git a/prereq.sh b/prereq.sh
index 6af74e49a..c5fc590d3 100755
--- a/prereq.sh
+++ b/prereq.sh
@@ -34,7 +34,7 @@ echo "-------------------"
 python3.8 -m pip install ansible==5.10.0
 python3.8 -m pip install jinja2==3.1.2
 dnf install git-lfs -y
-git lfs pull
+git lfs pull || true
 
 selinux_count="$(grep "^SELINUX=disabled" /etc/selinux/config | wc -l)"
 if [[ $selinux_count == 0 ]];