diff --git a/docker/Dockerfile_vllm_atom_oot b/docker/Dockerfile_vllm_atom_oot
new file mode 100644
index 000000000..4bf2cae08
--- /dev/null
+++ b/docker/Dockerfile_vllm_atom_oot
@@ -0,0 +1,93 @@
+ARG BASE_IMAGE="rocm/atom-dev:nightly_202603040155"
+FROM ${BASE_IMAGE}
+
+ARG VLLM_REPO="https://github.com/vllm-project/vllm.git"
+ARG VLLM_COMMIT="f5d17400303149bbb480f6abfb6f7bb646c1d895"
+ARG MAX_JOBS=64
+ARG INSTALL_LM_EVAL=1
+ARG INSTALL_FASTSAFETENSORS=1
+ARG VENV_PYTHON="/opt/venv/bin/python"
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PATH="/opt/venv/bin:${PATH}"
+ENV VLLM_TARGET_DEVICE=rocm
+ENV MAX_JOBS=${MAX_JOBS}
+ENV LD_LIBRARY_PATH="/opt/venv/lib/python3.12/site-packages/torch/lib:${LD_LIBRARY_PATH}"
+WORKDIR /app
+
+RUN echo "========== [1/7] Prepare build tools ==========" \
+    && apt-get update \
+    && apt --fix-broken install -y \
+    && apt-get install -y --no-install-recommends git ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN echo "========== [2/7] Verify base packages (atom/aiter/mori) ==========" \
+    && "${VENV_PYTHON}" -m pip show atom || true \
+    && "${VENV_PYTHON}" -m pip show amd-aiter || true \
+    && "${VENV_PYTHON}" -m pip show mori || true
+
+RUN echo "========== [3/7] Clone vLLM ==========" \
+    && git clone "${VLLM_REPO}" /app/vllm \
+    && cd /app/vllm \
+    && git checkout "${VLLM_COMMIT}" \
+    && git submodule update --init --recursive \
+    && echo "vLLM commit:" \
+    && git rev-parse HEAD
+
+# Follow vLLM ROCm standard: allow torch/triton override.
+RUN echo "========== [4/7] Install vLLM ROCm build dependencies ==========" \
+    && cd /app/vllm \
+    && "${VENV_PYTHON}" -m pip install --upgrade pip \
+    && "${VENV_PYTHON}" -m pip uninstall -y torch triton torchvision torchaudio || true \
+    && "${VENV_PYTHON}" -m pip install -r requirements/rocm-build.txt
+
+RUN echo "========== [5/7] Build vLLM wheel ==========" \
+    && cd /app/vllm \
+    && VLLM_TARGET_DEVICE=rocm "${VENV_PYTHON}" setup.py clean --all \
+    && MAX_JOBS="${MAX_JOBS}" VLLM_TARGET_DEVICE=rocm "${VENV_PYTHON}" setup.py bdist_wheel --dist-dir=/tmp/vllm-wheels \
+    && ls -lh /tmp/vllm-wheels
+
+RUN echo "========== [6/7] Install vLLM runtime dependencies ==========" \
+    && cd /app/vllm \
+    && "${VENV_PYTHON}" -m pip install -r requirements/rocm.txt \
+    && "${VENV_PYTHON}" -m pip uninstall -y vllm || true \
+    && "${VENV_PYTHON}" -m pip install /tmp/vllm-wheels/*.whl \
+    && "${VENV_PYTHON}" -m pip install uvloop
+
+RUN echo "========== [7/7] Optional tools and final checks ==========" \
+    && if [ "${INSTALL_LM_EVAL}" = "1" ]; then "${VENV_PYTHON}" -m pip install "lm-eval[api]"; else echo "Skip lm-eval install"; fi \
+    && if [ "${INSTALL_FASTSAFETENSORS}" = "1" ]; then "${VENV_PYTHON}" -m pip install "git+https://github.com/foundation-model-stack/fastsafetensors.git"; else echo "Skip fastsafetensors install"; fi \
+    && "${VENV_PYTHON}" - <<'PY'
+import importlib.metadata as m
+import glob
+import os
+import torch
+
+print(f"torch.version.hip: {torch.version.hip}")
+print(f"torch.version.cuda: {torch.version.cuda}")
+torch_lib_dir = os.path.join(os.path.dirname(torch.__file__), "lib")
+print(f"torch lib dir: {torch_lib_dir}")
+print(f"libtorch_hip candidates: {glob.glob(os.path.join(torch_lib_dir, 'libtorch_hip.so*'))}")
+if torch.version.hip is None:
+    raise RuntimeError("Torch is not ROCm build (torch.version.hip is None).")
+
+pkgs = [
+    "vllm",
+    "torch",
+    "triton",
+    "torchvision",
+    "torchaudio",
+    "amdsmi",
+    "amd-aiter",
+    "atom",
+    "mori",
+]
+print("Final package versions:")
+for p in pkgs:
+    try:
+        print(f"  {p}: {m.version(p)}")
+    except Exception:
+        print(f"  {p}: <not installed>")
+PY
+
+CMD ["/bin/bash"]
diff --git a/docker/build_vllm_atom_oot.sh b/docker/build_vllm_atom_oot.sh
new file mode 100644
index 000000000..d80869d94
--- /dev/null
+++ b/docker/build_vllm_atom_oot.sh
@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
+LOG_DIR="${LOG_DIR:-${SCRIPT_DIR}/logs}"
+LOG_FILE="${LOG_FILE:-${LOG_DIR}/build_vllm_atom_oot_$(date +%Y%m%d_%H%M%S).log}"
+
+mkdir -p "${LOG_DIR}"
+# Mirror all stdout/stderr to terminal and log file.
+exec > >(tee -a "${LOG_FILE}") 2>&1
+
+DOCKERFILE_PATH="${SCRIPT_DIR}/Dockerfile_vllm_atom_oot"
+IMAGE_TAG="${IMAGE_TAG:-rocm/atom-vllm-dev:nightly_202603040155}"
+BASE_IMAGE="${BASE_IMAGE:-rocm/atom-dev:nightly_202603040155}"
+VLLM_REPO="${VLLM_REPO:-https://github.com/vllm-project/vllm.git}"
+VLLM_COMMIT="${VLLM_COMMIT:-f5d17400303149bbb480f6abfb6f7bb646c1d895}"
+MAX_JOBS="${MAX_JOBS:-64}"
+INSTALL_LM_EVAL="${INSTALL_LM_EVAL:-1}"
+PULL_BASE_IMAGE="${PULL_BASE_IMAGE:-1}"
+BUILD_NO_CACHE="${BUILD_NO_CACHE:-1}"
+
+print_banner() {
+  echo "============================================================"
+  echo "$1"
+  echo "============================================================"
+}
+
+print_banner "Build vLLM on top of ATOM base image"
+echo "Log file        : ${LOG_FILE}"
+echo "Dockerfile      : ${DOCKERFILE_PATH}"
+echo "Build context   : ${REPO_ROOT}"
+echo "Target image    : ${IMAGE_TAG}"
+echo "Base image      : ${BASE_IMAGE}"
+echo "vLLM repo       : ${VLLM_REPO}"
+echo "vLLM commit     : ${VLLM_COMMIT}"
+echo "MAX_JOBS        : ${MAX_JOBS}"
+echo "INSTALL_LM_EVAL : ${INSTALL_LM_EVAL}"
+echo "BUILD_NO_CACHE  : ${BUILD_NO_CACHE}"
+echo
+echo "Build plan:"
+echo "  Step 1/4: (optional) pull base image"
+echo "  Step 2/4: check/remove existing target image"
+echo "  Step 3/4: build image from Dockerfile_vllm_atom_oot"
+echo "  Step 4/4: print final image info"
+echo
+
+if [[ "${PULL_BASE_IMAGE}" == "1" ]]; then
+  print_banner "Step 1/4 - Pull base image: ${BASE_IMAGE}"
+  docker pull "${BASE_IMAGE}"
+else
+  print_banner "Step 1/4 - Skip base image pull (PULL_BASE_IMAGE=${PULL_BASE_IMAGE})"
+fi
+
+print_banner "Step 2/4 - Check whether target image already exists"
+if docker image inspect "${IMAGE_TAG}" >/dev/null 2>&1; then
+  echo "Target image already exists: ${IMAGE_TAG}"
+  docker image inspect "${IMAGE_TAG}" --format 'Existing image -> ID={{.Id}}  Created={{.Created}}'
+  echo "Removing existing target image: ${IMAGE_TAG}"
+  docker image rm -f "${IMAGE_TAG}"
+else
+  echo "Target image does not exist yet: ${IMAGE_TAG}"
+fi
+echo
+
+print_banner "Step 3/4 - Build target image: ${IMAGE_TAG}"
+NO_CACHE_FLAG=""
+if [[ "${BUILD_NO_CACHE}" == "1" ]]; then
+  NO_CACHE_FLAG="--no-cache"
+fi
+
+DOCKER_BUILDKIT=1 docker build \
+  ${NO_CACHE_FLAG} \
+  -f "${DOCKERFILE_PATH}" \
+  -t "${IMAGE_TAG}" \
+  --build-arg "BASE_IMAGE=${BASE_IMAGE}" \
+  --build-arg "VLLM_REPO=${VLLM_REPO}" \
+  --build-arg "VLLM_COMMIT=${VLLM_COMMIT}" \
+  --build-arg "MAX_JOBS=${MAX_JOBS}" \
+  --build-arg "INSTALL_LM_EVAL=${INSTALL_LM_EVAL}" \
+  "$@" \
+  "${REPO_ROOT}"
+
+print_banner "Step 4/4 - Build completed"
+docker image inspect "${IMAGE_TAG}" --format 'Image={{.RepoTags}}  ID={{.Id}}  Created={{.Created}}'