diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index aa09692..707ff31 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -59,6 +59,14 @@ jobs:
         with:
           buildkitd-flags: --config /tmp/buildkitd.toml
 
+      - name: Download custom RCCL artifact
+        uses: dawidd6/action-download-artifact@v6
+        with:
+          workflow: build-rccl.yml
+          name: librccl-gfx1151
+          path: custom_libs
+          if_no_artifact_found: warn
+
       - name: Log in to Docker Hub
         uses: docker/login-action@v3
         with:
diff --git a/.github/workflows/build-rccl.yml b/.github/workflows/build-rccl.yml
new file mode 100644
index 0000000..0b1c679
--- /dev/null
+++ b/.github/workflows/build-rccl.yml
@@ -0,0 +1,40 @@
+name: build-rccl
+
+on:
+  workflow_dispatch:
+
+env:
+  ROCM_MAJOR_VER: 7
+  GFX: gfx1151
+
+jobs:
+  build-rccl:
+    runs-on: ubuntu-latest
+    container: registry.fedoraproject.org/fedora:43
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Install Dependencies
+        run: bash scripts/install_deps.sh
+        
+      - name: Install ROCm SDK
+        run: bash scripts/install_rocm_sdk.sh
+        
+      - name: Build RCCL
+        shell: bash
+        run: |
+          source /etc/profile.d/rocm-sdk.sh
+          bash scripts/build_rccl_gfx1151.sh
+          
+      - name: Compress Artifact
+        run: |
+          # Path determined from script logic: rocm-systems/projects/rccl/build_gfx1151/librccl.so.1
+          ls -lh rocm-systems/projects/rccl/build_gfx1151/librccl.so.1
+          gzip -c rocm-systems/projects/rccl/build_gfx1151/librccl.so.1 > librccl.so.1.gz
+          ls -lh librccl.so.1.gz
+          
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: librccl-gfx1151
+          path: librccl.so.1.gz
diff --git a/Dockerfile b/Dockerfile
index 3508521..1fcd18d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,51 +2,20 @@ FROM registry.fedoraproject.org/fedora:43
 
 # 1. System Base & Build Tools
 # Added 'gperftools-libs' for tcmalloc (fixes double-free)
-RUN dnf -y install --setopt=install_weak_deps=False --nodocs \
-  python3.13 python3.13-devel git rsync libatomic bash ca-certificates curl \
-  gcc gcc-c++ binutils make ffmpeg-free \
-  cmake ninja-build aria2c tar xz vim nano dialog \
-  libdrm-devel zlib-devel openssl-devel pgrep \
-  numactl-devel gperftools-libs iproute libibverbs-utils patch perftest ping iperf3 \
-  && dnf clean all && rm -rf /var/cache/dnf/*
+COPY scripts/install_deps.sh /tmp/install_deps.sh
+RUN sh /tmp/install_deps.sh
 
 # 2. Install "TheRock" ROCm SDK (Tarball Method)
 WORKDIR /tmp
 ARG ROCM_MAJOR_VER=7
 ARG GFX=gfx1151
-RUN set -euo pipefail; \
-  BASE="https://therock-nightly-tarball.s3.amazonaws.com"; \
-  PREFIX="therock-dist-linux-${GFX}-${ROCM_MAJOR_VER}"; \
-  KEY="$(curl -s "${BASE}?list-type=2&prefix=${PREFIX}" \
-  | tr '<' '\n' \
-  | grep -o "therock-dist-linux-${GFX}-${ROCM_MAJOR_VER}\..*\.tar\.gz" \
-  | sort -V | tail -n1)"; \
-  echo "Downloading Latest Tarball: ${KEY}"; \
-  aria2c -x 16 -s 16 -j 16 --file-allocation=none "${BASE}/${KEY}" -o therock.tar.gz; \
-  mkdir -p /opt/rocm; \
-  tar xzf therock.tar.gz -C /opt/rocm --strip-components=1; \
-  rm therock.tar.gz
-
-# 3. Configure Global ROCm Environment
-# We add LD_PRELOAD for tcmalloc here to fix the shutdown crash
-RUN export ROCM_PATH=/opt/rocm && \
-  BITCODE_PATH=$(find /opt/rocm -type d -name bitcode -print -quit) && \
-  printf '%s\n' \
-  "export ROCM_PATH=/opt/rocm" \
-  "export HIP_PLATFORM=amd" \
-  "export HIP_PATH=/opt/rocm" \
-  "export HIP_CLANG_PATH=/opt/rocm/llvm/bin" \
-  "export HIP_DEVICE_LIB_PATH=$BITCODE_PATH" \
-  "export PATH=$ROCM_PATH/bin:$ROCM_PATH/llvm/bin:\$PATH" \
-  "export LD_LIBRARY_PATH=$ROCM_PATH/lib:$ROCM_PATH/lib64:$ROCM_PATH/llvm/lib:\$LD_LIBRARY_PATH" \
-  "export ROCBLAS_USE_HIPBLASLT=1" \
-  "export TORCH_ROCM_AOTRITON_ENABLE_EXPERIMENTAL=1" \
-  "export VLLM_TARGET_DEVICE=rocm" \
-  "export HIP_FORCE_DEV_KERNARG=1" \
-  "export RAY_EXPERIMENTAL_NOSET_ROCR_VISIBLE_DEVICES=1" \
-  "export LD_PRELOAD=/usr/lib64/libtcmalloc_minimal.so.4" \
-  > /etc/profile.d/rocm-sdk.sh && \
-  chmod 0644 /etc/profile.d/rocm-sdk.sh
+# We pass ARGs to the script via ENV or rely on defaults. 
+# But let's be explicit and export them for the RUN command.
+COPY scripts/install_rocm_sdk.sh /tmp/install_rocm_sdk.sh
+RUN chmod +x /tmp/install_rocm_sdk.sh && \
+  export ROCM_MAJOR_VER=$ROCM_MAJOR_VER && \
+  export GFX=$GFX && \
+  /tmp/install_rocm_sdk.sh
 
 # 4. Python Venv Setup
 RUN /usr/bin/python3.13 -m venv /opt/venv
diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
new file mode 100755
index 0000000..b7ec3e2
--- /dev/null
+++ b/scripts/install_deps.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+# 1. System Base & Build Tools
+# Added 'gperftools-libs' for tcmalloc (fixes double-free)
+dnf -y install --setopt=install_weak_deps=False --nodocs \
+  python3.13 python3.13-devel git rsync libatomic bash ca-certificates curl \
+  gcc gcc-c++ binutils make ffmpeg-free \
+  cmake ninja-build aria2c tar xz vim nano dialog \
+  libdrm-devel zlib-devel openssl-devel pgrep \
+  numactl-devel gperftools-libs iproute libibverbs-utils patch perftest ping iperf3 \
+  && dnf clean all && rm -rf /var/cache/dnf/*
diff --git a/scripts/install_rocm_sdk.sh b/scripts/install_rocm_sdk.sh
new file mode 100755
index 0000000..49b9ef1
--- /dev/null
+++ b/scripts/install_rocm_sdk.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+set -euo pipefail
+
+# Configuration with defaults matching Dockerfile ARGs
+ROCM_MAJOR_VER="${ROCM_MAJOR_VER:-7}"
+GFX="${GFX:-gfx1151}"
+
+echo "=== Installing ROCm SDK ($GFX / $ROCM_MAJOR_VER) ==="
+
+# 2. Install "TheRock" ROCm SDK (Tarball Method)
+# We work in /tmp as per Dockerfile WORKDIR
+cd /tmp
+
+BASE="https://therock-nightly-tarball.s3.amazonaws.com"
+PREFIX="therock-dist-linux-${GFX}-${ROCM_MAJOR_VER}"
+
+# Fetch the Key
+KEY="$(curl -s "${BASE}?list-type=2&prefix=${PREFIX}" \
+  | tr '<' '\n' \
+  | grep -o "therock-dist-linux-${GFX}-${ROCM_MAJOR_VER}\..*\.tar\.gz" \
+  | sort -V | tail -n1)"
+
+if [ -z "$KEY" ]; then
+    echo "Error: Could not find tarball key for $PREFIX"
+    exit 1
+fi
+
+echo "Downloading Latest Tarball: ${KEY}"
+aria2c -x 16 -s 16 -j 16 --file-allocation=none "${BASE}/${KEY}" -o therock.tar.gz
+
+mkdir -p /opt/rocm
+tar xzf therock.tar.gz -C /opt/rocm --strip-components=1
+rm therock.tar.gz
+
+# 3. Configure Global ROCm Environment
+# We add LD_PRELOAD for tcmalloc here to fix the shutdown crash
+export ROCM_PATH=/opt/rocm
+BITCODE_PATH=$(find /opt/rocm -type d -name bitcode -print -quit)
+
+echo "Generating /etc/profile.d/rocm-sdk.sh..."
+printf '%s\n' \
+  "export ROCM_PATH=/opt/rocm" \
+  "export HIP_PLATFORM=amd" \
+  "export HIP_PATH=/opt/rocm" \
+  "export HIP_CLANG_PATH=/opt/rocm/llvm/bin" \
+  "export HIP_DEVICE_LIB_PATH=$BITCODE_PATH" \
+  "export PATH=$ROCM_PATH/bin:$ROCM_PATH/llvm/bin:\$PATH" \
+  "export LD_LIBRARY_PATH=$ROCM_PATH/lib:$ROCM_PATH/lib64:$ROCM_PATH/llvm/lib:\$LD_LIBRARY_PATH" \
+  "export ROCBLAS_USE_HIPBLASLT=1" \
+  "export TORCH_ROCM_AOTRITON_ENABLE_EXPERIMENTAL=1" \
+  "export VLLM_TARGET_DEVICE=rocm" \
+  "export HIP_FORCE_DEV_KERNARG=1" \
+  "export RAY_EXPERIMENTAL_NOSET_ROCR_VISIBLE_DEVICES=1" \
+  "export LD_PRELOAD=/usr/lib64/libtcmalloc_minimal.so.4" \
+  > /etc/profile.d/rocm-sdk.sh
+
+chmod 0644 /etc/profile.d/rocm-sdk.sh
+echo "=== ROCm SDK Installation Complete ==="