From d8182820a447da13355ebab29d3938280ccaea8c Mon Sep 17 00:00:00 2001
From: Alec Scott <scott112@llnl.gov>
Date: Thu, 21 Mar 2024 13:10:19 -0700
Subject: [PATCH] Add an initial minimal workflow to build gantry as a
 container

---
 .github/workflows/ci.yml        | 10 ++++++++++
 .github/workflows/container.yml | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 .github/workflows/container.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43b8230..448ea9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@ jobs:
     outputs:
       style: ${{ steps.filter.outputs.style }}
       unit-tests: ${{ steps.filter.outputs.unit-tests }}
+      container: ${{ steps.filter.outputs.container }}
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # @v2
         if: ${{ github.event_name == 'push' }}
@@ -38,6 +39,10 @@ jobs:
               - '.github/**'
               - 'gantry/**'
               - 'pyproject.toml'
+            container:
+              - '.github/workflows/**'
+              - 'gantry/**'
+              - 'pyproject.toml'
 
   style:
     if: ${{ needs.changes.outputs.style == 'true' }}
@@ -48,3 +53,8 @@ jobs:
     if: ${{ needs.changes.outputs.unit-tests == 'true' }}
     needs: [changes, style]
     uses: ./.github/workflows/unit-tests.yml
+
+  container:
+    if: ${{ needs.changes.outputs.container == 'true' }}
+    needs: [changes, style, unit-tests]
+    uses: ./.github/workflows/container.yml
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
new file mode 100644
index 0000000..e5c421a
--- /dev/null
+++ b/.github/workflows/container.yml
@@ -0,0 +1,32 @@
+name: Container Build & Publish
+on:
+  workflow_call:
+
+jobs:
+  build-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3
+      - uses: docker/setup-buildx-action@2b51285047da1547ffb1b2203d8be4c0af6b1f20
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Tag Metadata for Container
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81
+        id: metadata
+        with:
+          images: ghcr.io/${{ github.repository }}
+
+      - name: Build and push image
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.ref == 'refs/heads/develop' }}
+          tags: ${{ steps.metadata.outputs.tags }}