refactor: use env to deduplicate variables

Author: PierreJeanjacquot

.github/workflows/sconify.yml

@@ -86,6 +86,10 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      FROM_IMAGE: ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}
+      DEBUG_IMAGE: ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }}
+      PROD_IMAGE: ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }}
     outputs:
       debug-image: ${{ steps.push-debug.outputs.image }}
       debug-mrenclave: ${{ steps.push-debug.outputs.mrenclave }}
@@ -122,8 +126,8 @@ jobs:
           -v /var/run/docker.sock:/var/run/docker.sock \
           registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} \
           sconify_iexec \
-          --from=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }} \
-          --to=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }} \
+          --from=$FROM_IMAGE \
+          --to=$DEBUG_IMAGE \
           --binary-fs \
           --fs-dir=${{ inputs.fs-dir }} \
           --host-path=/etc/hosts \
@@ -139,11 +143,10 @@ jobs:
         if: ${{ inputs.sconify-debug }}
         id: push-debug
         run: |
-          docker push ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }}
-          echo "image=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }}" >> "$GITHUB_OUTPUT"
-          echo "checksum=$(docker image inspect ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }} \
-          | jq .[0].RepoDigests[0] | sed 's/"//g' | awk -F '@sha256:' '{print $2}')" >> "$GITHUB_OUTPUT"
-          echo "mrenclave=$(docker run --rm -e SCONE_HASH=1 ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }})" >> "$GITHUB_OUTPUT"
+          docker push $DEBUG_IMAGE
+          echo "image=$DEBUG_IMAGE" >> "$GITHUB_OUTPUT"
+          echo "checksum=$(docker image inspect $DEBUG_IMAGE | jq .[0].RepoDigests[0] | sed 's/"//g' | awk -F '@sha256:' '{print $2}')" >> "$GITHUB_OUTPUT"
+          echo "mrenclave=$(docker run --rm -e SCONE_HASH=1 $DEBUG_IMAGE)" >> "$GITHUB_OUTPUT"
 
       - name: Sconify Image Prod
         if: ${{ inputs.sconify-prod }}
@@ -156,8 +159,8 @@ jobs:
           -v $HOME/sig/enclave-key.pem:/sig/enclave-key.pem \
           registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} \
           sconify_iexec \
-          --from=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }} \
-          --to=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }} \
+          --from=$FROM_IMAGE \
+          --to=$PROD_IMAGE \
           --binary-fs \
           --fs-dir=${{ inputs.fs-dir }} \
           --host-path=/etc/hosts \
@@ -174,8 +177,7 @@ jobs:
         if: ${{ inputs.sconify-prod }}
         id: push-prod
         run: |
-          docker push ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }}
-          echo "image=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }}" >> "$GITHUB_OUTPUT"
-          echo "checksum=$(docker image inspect ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }} \
-          | jq .[0].RepoDigests[0] | sed 's/"//g' | awk -F '@sha256:' '{print $2}')" >> "$GITHUB_OUTPUT"
-          echo "mrenclave=$(docker run --rm -e SCONE_HASH=1 ${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }})" >> "$GITHUB_OUTPUT"
+          docker push $PROD_IMAGE
+          echo "image=$PROD_IMAGE" >> "$GITHUB_OUTPUT"
+          echo "checksum=$(docker image inspect $PROD_IMAGE | jq .[0].RepoDigests[0] | sed 's/"//g' | awk -F '@sha256:' '{print $2}')" >> "$GITHUB_OUTPUT"
+          echo "mrenclave=$(docker run --rm -e SCONE_HASH=1 $PROD_IMAGE)" >> "$GITHUB_OUTPUT"