Updated image and CI workflow for SPH-EXA

Author: Madeeks

.github/workflows/release-applications-multi-arch.yml

@@ -0,0 +1,104 @@
+name: Release of NCCL Tests container multi-arch
+
+on:
+  push:
+    paths:
+      - 'hpc/applications/sphexa/Containerfile'
+      - '.github/workflows/release-sphexa.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  packages: write
+  actions: read
+
+env:
+  REGISTRY: ghcr.io
+  REPO: ghcr.io/${{ github.repository }}/sphexa
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+          - arch: amd64
+            runner: ubuntu-latest
+          - arch: arm64
+            runner: ubuntu-24.04-arm
+    runs-on: ${{ matrix.runner }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        id: buildx
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build & push single-arch image
+        run: |
+          docker buildx build \
+            --builder "${{ steps.buildx.outputs.name }}" \
+            --platform linux/${{ matrix.arch }} \
+            --file hpc/applications/sphexa/Containerfile \
+            --tag  "${{ env.REPO }}:build-${{ matrix.arch }}" \
+            --push \
+            .
+
+# Multi-arch manifest that references both images
+  manifest:
+    name: Create multi-arch manifest
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Log in to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Verify single-arch images exist
+        run: |
+          set -euo pipefail
+
+          IMAGES=(
+            "${{ env.REPO }}:build-amd64"
+            "${{ env.REPO }}:build-arm64"
+          )
+
+          for img in "${IMAGES[@]}"; do
+            echo "Inspecting $img ..."
+            if ! docker buildx imagetools inspect "$img" > /dev/null; then
+              echo "::error file=manifest.yml::Image not found: $img"
+              exit 1
+            fi
+          done
+
+      - name: Create & push multi-arch manifest
+        run: |
+          TAG=$(skopeo inspect --config docker://${{ env.REPO }}:build-amd64 | jq '.config.Labels["org.opencontainers.image.version"]' | tr -d '"')
+          docker buildx imagetools create \
+            --tag "${{ env.REPO }}:${TAG}" \
+            "${{ env.REPO }}:build-amd64" \
+            "${{ env.REPO }}:build-arm64"
+
+      - name: Log in to GHCR with Podman
+        uses: redhat-actions/podman-login@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Cleanup temporary single-arch images
+        run: |
+          skopeo delete docker://"${{ env.REPO }}:build-amd64"
+          skopeo delete docker://"${{ env.REPO }}:build-arm64"

.github/workflows/release-sphexa.yml

@@ -1,4 +1,4 @@
-FROM quay.io/ethcscs/mpich:4.3.0-ofi1.15-cuda12.8
+FROM ghcr.io/sarus-suite/containerfiles-ci/mpich:4.3.2-ofi1.22-cuda12.8.1
 
 # Download and compile HDF5 with MPI
 ARG HDF5_VERSION=1.14.6
@@ -11,7 +11,7 @@ RUN wget https://github.com/HDFGroup/hdf5/releases/download/hdf5_${HDF5_VERSION}
     && ldconfig \
     && cd .. && rm -rf hdf5-${HDF5_VERSION}*
 
-ARG sphexa_version=0.93.1
+ARG sphexa_version=0.95
 RUN git clone https://github.com/sphexa-org/sphexa.git \
     && cd sphexa \
     && git checkout v${sphexa_version} \
@@ -20,3 +20,6 @@ RUN git clone https://github.com/sphexa-org/sphexa.git \
     && make install \
     && cd .. \
     && rm -rf sphexa
+
+LABEL org.opencontainers.image.ref.name="sphexa"
+LABEL org.opencontainers.image.version="${sphexa_version}-mpich4.3.2-ofi1.22-cuda12.8.1"

hpc/applications/sphexa-0.93.1/README.md

@@ -0,0 +1,14 @@
+# SPH-EXA MPI/CUDA Container
+
+A minimal container image based on `ghcr.io/sarus-suite/containerfiles-ci/mpich:4.3.2-ofi1.22-cuda12.8.1` with:
+
+- Parallel HDF5 (MPI-enabled)  
+- SPH-EXA v0.95 with GPU-aware MPI  
+
+## Building
+~~~
+podman build \
+  --build-arg HDF5_VERSION=1.14.6 \
+  --build-arg sph_exa_version=0.95 \
+  -t sph-exa-mpi-cuda .
+~~~