Use Zstd compression for published images to reduce their size and speedup decompression

Author: slonopotamus

.github/workflows/addon-deploy.yaml

@@ -137,10 +137,12 @@ jobs:
       - name: ⤵️ Download base image
         if: steps.flags.outputs.from != 'null'
         run: docker pull "${{ steps.flags.outputs.from }}"
-      - name: 🚀 Build
+      - name: 🚀 Build & Push
         uses: docker/build-push-action@v6.18.0
         with:
           load: true
+          outputs:
+            - type=image,oci-mediatypes=true,compression=zstd,push=true
           # yamllint disable rule:line-length
           tags: |
             ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.environment }}
@@ -170,13 +172,6 @@ jobs:
         run: |
           rm -rf /tmp/.docker-cache
           mv /tmp/.docker-cache-new /tmp/.docker-cache
-      - name: 🚀 Push
-        # yamllint disable rule:line-length
-        run: |
-          docker push \
-            "ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.environment }}"
-          docker push \
-            "ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.version }}"
 
   publish-edge:
     name: 📢 Publish to edge repository

.github/workflows/base-deploy.yaml

@@ -102,10 +102,12 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: 🚀 Build
+      - name: 🚀 Build & Push
         uses: docker/build-push-action@v6.18.0
         with:
           load: true
+          outputs:
+            - type=image,oci-mediatypes=true,compression=zstd,push=true
           # yamllint disable rule:line-length
           tags: |
             ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.environment }}
@@ -125,13 +127,6 @@ jobs:
             BUILD_REF=${{ github.sha }}
             BUILD_REPOSITORY=${{ github.repository }}
             BUILD_VERSION=${{ needs.information.outputs.version }}
-      - name: 🚀 Push
-        # yamllint disable rule:line-length
-        run: |
-          docker push \
-            "ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.environment }}"
-          docker push \
-            "ghcr.io/${{ github.repository_owner }}/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:${{ needs.information.outputs.version }}"
 
   manifest:
     name: 👷 Build & Deploy Multi Arch Manifest