feat: collect all versions into file, then array

Author: samrose

.github/workflows/dockerhub-release-matrix.yml

@@ -61,8 +61,8 @@ jobs:
       matrix: ${{ fromJson(needs.prepare.outputs.matrix_config) }}
     runs-on: ubuntu-latest
     outputs:
-      versions: ${{ steps.versions.outputs.list }}
-      image_tags: ${{ steps.versions.outputs.image_tags }}
+      versions: ${{ steps.collect-versions.outputs.versions }}
+      image_tags: ${{ steps.collect-versions.outputs.image_tags }}
     steps:
       - uses: actions/checkout@v3
 
@@ -86,10 +86,25 @@ jobs:
         with:
           cmd: yq 'to_entries | map(select(.value|type == "!!str")) | map(.key + "=" + .value) | join("\n")' 'ansible/vars.yml'
 
-      - id: versions
+      # First collect all versions into a file
+      - name: Save version info
         run: |
-          echo "list=[\"${{ matrix.version }}\"]" >> $GITHUB_OUTPUT
-          echo "image_tags=[\"supabase/postgres:${{ steps.settings.outputs.postgres-version }}\"]" >> $GITHUB_OUTPUT
+          mkdir -p /tmp/versions
+          echo "${{ matrix.version }}" >> /tmp/versions/versions.txt
+          echo "supabase/postgres:${{ steps.settings.outputs.postgres-version }}" >> /tmp/versions/image_tags.txt
+
+      # Then at the end of the matrix, collect all versions into arrays
+      - name: Collect all versions
+        id: collect-versions
+        if: ${{ always() }}
+        run: |
+          # Combine all versions into arrays
+          VERSIONS=$(cat /tmp/versions/versions.txt | sort -u | jq -R . | jq -s .)
+          IMAGE_TAGS=$(cat /tmp/versions/image_tags.txt | sort -u | jq -R . | jq -s .)
+          
+          # Output as JSON arrays
+          echo "versions=$VERSIONS" >> $GITHUB_OUTPUT
+          echo "image_tags=$IMAGE_TAGS" >> $GITHUB_OUTPUT
 
   build_release_image:
     needs: build