Update Dockerfile, changed the command "RUN export.." to "ENV .." so it...

Update Dockerfile, changed the command "RUN export.." to "ENV .." so it persists between intermidiate containers

Dockerfile

@@ -14,7 +14,7 @@ FROM node AS node
 
 COPY . /var/www/html
 WORKDIR /var/www/html
-RUN export NODE_OPTIONS=--openssl-legacy-provider
+ENV NODE_OPTIONS=--openssl-legacy-provider
 RUN npm --version && npm install && npm run prod
 
 #### Step 3 : the actual docker image