test sites permission

backend/sites/Dockerfile-migrations-openshift

@@ -1,6 +1,7 @@
 FROM node:16.14.0-alpine
 #FROM artifacts.developer.gov.bc.ca/docker-remote/node:14.17.1-alpine
-
+# Set npm cache directory
+ENV NPM_CONFIG_CACHE=/home/node/.npm
 
 # Install packages, build and keep only prod packages
 WORKDIR /app
@@ -14,6 +15,10 @@ COPY package*.json ./
 # Install app dependencies using the `npm ci` command instead of `npm install`
 RUN npm ci
 
+# Ensure ownership of .npm folder
+RUN mkdir -p /home/node/.npm \
+    && chown -R node:node /home/node/.npm
+
 #RUN npm build
 
 # Bundle app source