Try switching from script.

Author: tecarter94

deploy/tasks/buildah-oci-ta.yaml

@@ -503,31 +503,21 @@ spec:
         declare IMAGE
 
         if [ "$use_domain_proxy" == "true" ]; then
-          # Without expansion
-          cat >> /app/build-script.sh << 'EOF'
-        #!/bin/sh
-        ip link set lo up
-        /app/domain-proxy-client-runner &
-        client_pid=$!
-        EOF
-
-          # With expansion
-          cat >> /app/build-script.sh << EOF
-        buildah build $VOLUME_MOUNTS ${BUILDAH_ARGS[@]} ${LABELS[@]} --tls-verify=$TLSVERIFY --no-cache --ulimit nofile=4096:4096 -f "$dockerfile_copy" -t $IMAGE .
-        EOF
-
-          # Without expansion
-          cat >> /app/build-script.sh << 'EOF'
-        set +e
-        kill $client_pid
-        wait $client_pid
-        set -e
-        EOF
+          ip link set lo up
+          /app/domain-proxy-client-runner &
+          client_pid=$!
+
+          buildah build $VOLUME_MOUNTS ${BUILDAH_ARGS[@]} ${LABELS[@]} --tls-verify=$TLSVERIFY --no-cache --ulimit nofile=4096:4096 -f "$dockerfile_copy" -t $IMAGE .
+
+          set +e
+          kill $client_pid
+          wait $client_pid
+          set -e
 
           cat /app/build-script.sh
           chmod +x /app/build-script.sh
 
-          /app/build-script.sh &
+          /app/build-script.sh
 
           set +e
           kill $server_pid