💚 Another Github Action fix attempt

Author: mkarlesky

.github/workflows/dev.yml

@@ -18,24 +18,28 @@ jobs:
   # Jobs organized for concurrent Docker image builds
   # Jobs only build :latest images without pushing to Docker Hub
 
-  # This is a self-documenting workaround to the limitation that the global `env:` context is not available to jobs' `env:` contexts
-  prepare-env-vars:
+  # This is a workaround to the limitation that an `env:` map cannot reference the `env:` map to create additional environment variables
+  image-details:
     runs-on: ubuntu-latest
     steps:
       # A step must be present in order to make use of `outputs:`
-       - run: echo "Setting environment variables shared by jobs..."
+       - run: echo "Setting Docker image details..."
     outputs:
-      IMAGE_BASE_NAME: ${{ env.IMAGE_BASE_NAME }}
-      IMAGE_URL_BASE: ${{ env.IMAGE_ORG }}/${{ env.IMAGE_BASE_NAME }}
+      base-name: 'madsciencelab'
+      base-url: 'throwtheswitch/madsciencelab'
 
   madsciencelab:
     runs-on: ubuntu-latest
-    needs: [prepare-env-vars]
+    needs: [image-details]
     permissions:
       contents: read
       packages: write
       attestations: write
       id-token: write
+    env:
+      IMAGE_NAME: ${{ needs.image-details.outputs.base-name }}
+      # Cannot reference IMAGE_NAME as it does not exist yet
+      IMAGE_URL: ${{ needs.image-details.outputs.base-url }}
 
     steps:
       - name: 'Checkout GitHub Action'
@@ -56,19 +60,19 @@ jobs:
 
       # Docker image: madsciencelab
       # Note: standard/ directory maps to madsciencelab image (no variants)
-      - name: 'Build Docker image ${{ env.IMAGE_BASE_NAME }}'
+      - name: 'Build Docker image ${{ env.IMAGE_NAME }}'
         uses: docker/build-push-action@v6
         with:
           platforms: linux/amd64,linux/arm64
           file: build/standard/docker/Dockerfile
           build-args: |
             CONTAINER_VERSION=${{ github.ref_name }}
-            IMAGE_NAME=${{ env.IMAGE_BASE_NAME }}            
-          tags: ${{ env.IMAGE_URL_BASE }}:latest
+            IMAGE_NAME=${{ env.IMAGE_NAME }}
+          tags: ${{ env.IMAGE_URL }}:latest
 
   madsciencelab-plugins:
     runs-on: ubuntu-latest
-    needs: [prepare-env-vars]
+    needs: [image-details]
     permissions:
       contents: read
       packages: write
@@ -77,9 +81,9 @@ jobs:
     env:
       VARIANT: 'plugins'
       # Cannot reference VARIANT as it does not exist yet
-      IMAGE_NAME: ${{ env.IMAGE_BASE_NAME }}-plugins
+      IMAGE_NAME: ${{ needs.image-details.outputs.base-name }}-plugins
       # Cannot reference IMAGE_NAME as it does not exist yet
-      IMAGE_URL: ${{ env.IMAGE_URL_BASE }}-plugins
+      IMAGE_URL: ${{ needs.image-details.outputs.base-url }}-plugins
 
     steps:
       - name: 'Checkout GitHub Action'
@@ -111,7 +115,7 @@ jobs:
 
   madsciencelab-arm-none-eabi:
     runs-on: ubuntu-latest
-    needs: [prepare-env-vars]
+    needs: [image-details]
     permissions:
       contents: read
       packages: write
@@ -120,9 +124,9 @@ jobs:
     env:
       VARIANT: 'arm-none-eabi'
       # Cannot reference VARIANT as it does not exist yet
-      IMAGE_NAME: ${{ env.IMAGE_BASE_NAME }}-arm-none-eabi
+      IMAGE_NAME: ${{ needs.image-details.outputs.base-name }}-arm-none-eabi
       # Cannot reference IMAGE_NAME as it does not exist yet
-      IMAGE_URL: ${{ env.IMAGE_URL_BASE }}-arm-none-eabi
+      IMAGE_URL: ${{ needs.image-details.outputs.base-url }}-arm-none-eabi
 
     steps:
       - name: 'Checkout GitHub Action'
@@ -142,7 +146,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       # Docker image: madsciencelab-arm-none-eabi
-      - name: 'Build Docker image ${{ env.IMAGE_BASE_NAME }}-${{ env.VARIANT }}'
+      - name: 'Build Docker image ${{ env.IMAGE_NAME }}'
         uses: docker/build-push-action@v6
         with:
           platforms: linux/amd64,linux/arm64
@@ -154,7 +158,7 @@ jobs:
 
   madsciencelab-arm-none-eabi-plugins:
     runs-on: ubuntu-latest
-    needs: [prepare-env-vars]
+    needs: [image-details]
     permissions:
       contents: read
       packages: write
@@ -163,9 +167,9 @@ jobs:
     env:
       VARIANT: 'arm-none-eabi-plugins'
       # Cannot reference VARIANT as it does not exist yet
-      IMAGE_NAME: ${{ env.IMAGE_BASE_NAME }}-arm-none-eabi-plugins
+      IMAGE_NAME: ${{ needs.image-details.outputs.base-name }}-arm-none-eabi-plugins
       # Cannot reference IMAGE_NAME as it does not exist yet
-      IMAGE_URL: ${{ env.IMAGE_URL_BASE }}-arm-none-eabi-plugins
+      IMAGE_URL: ${{ needs.image-details.outputs.base-url }}-arm-none-eabi-plugins
 
     steps:
       - name: 'Checkout GitHub Action'
@@ -185,7 +189,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       # Docker image: madsciencelab-arm-none-eabi-plugins
-      - name: 'Build Docker image ${{ env.IMAGE_BASE_NAME }}-${{ env.VARIANT }}'
+      - name: 'Build Docker image ${{ env.IMAGE_NAME }}'
         uses: docker/build-push-action@v6
         with:
           platforms: linux/amd64,linux/arm64