devops: updated gitlab ci configuration to handle npmrc file copying for docker build process.

pipelines/docker-image-build-then-push-to-local-registry.gitlab-ci.yml

@@ -8,7 +8,7 @@ stages:
 default:
   before_script:
   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-  - if ! test -z "$NPMRC"; then echo "$NPMRC" > /root/.npmrc; fi
+  - if ! test -z "$NPMRC"; then cd ${DOCKERFILE_DIRECTORY}; cp "$NPMRC" ./.npmrc; fi
 
 build-and-push docker image to local registry:
   stage: build