fix: default to one job in dockerfile

.gitlab-ci.yml

@@ -485,6 +485,7 @@ jug_xl:nightly:
                    --build-arg INTERNAL_TAG=${INTERNAL_TAG}-nightly
                    --build-arg JUG_VERSION=${EXPORT_TAG}-nightly-$(git rev-parse HEAD)-$(date +%Y-%m-%d_%H-%M-%S)
                    --build-arg NIGHTLY=1
+                   --build-arg jobs=${JOBS}
                    --build-context detectors=.
                    --provenance false
                    containers/jug

containers/jug/dev.Dockerfile

@@ -62,7 +62,7 @@ EOF
 SHELL ["docker-shell"]
 
 ## Setup build configuration
-ARG jobs=64
+ARG jobs=1
 RUN <<EOF
 set -e
 declare -A target=(["linux/amd64"]="x86_64_v2" ["linux/arm64"]="aarch64")

containers/jug/xl.Dockerfile

@@ -11,7 +11,7 @@ FROM ${DOCKER_REGISTRY}${BASE_IMAGE}:${INTERNAL_TAG}
 ARG TARGETPLATFORM
 
 ARG EICWEB="https://eicweb.phy.anl.gov/api/v4/projects"
-ARG jobs=8
+ARG jobs=1
 
 ## version will automatically bust cache for nightly, as it includes
 ## the date