Merge pull request #37 from CCPBioSim/build-fix

Fix build issue

Author: jimboid

.github/workflows/amber.yml

@@ -3,6 +3,9 @@ name: amber
 on:
   workflow_dispatch:
 
+env:
+  date: $(date +'%Y-%m-%d')
+
 jobs:
   amber-build:
     runs-on: ubuntu-24.04
@@ -16,7 +19,7 @@ jobs:
 
       - name: checkout
         uses: actions/checkout@v6.0.1
- 
+
       - name: Authenticate with GHCR
         uses: docker/login-action@v3.6.0
         with:
@@ -35,6 +38,6 @@ jobs:
             AIIDAVERSION=${{ matrix.aiida-core }}
             AMBERTOOLSVERSION=${{ matrix.ambertools }}
             PYTHONVERSION=${{ matrix.python }}
-          tags: ghcr.io/${{ vars.ORG_REPO }}/aiida-amber-testenv:$(date +'%Y-%m-%d')-py${{ matrix.python }}-aiida${{ matrix.aiida-core }}-ambertools${{ matrix.ambertools }}
+          tags: ghcr.io/${{ vars.ORG_REPO }}/aiida-amber-testenv:${{ env.date }}-py${{ matrix.python }}-aiida${{ matrix.aiida-core }}-ambertools${{ matrix.ambertools }}
           push: true