fix: change Dockerfile structure

Dockerfile.nginx

@@ -1,8 +1,6 @@
 FROM registry.willaspace.com/willaspace/willaengine-staging:latest AS php_builder
 
-FROM node:16.7.0-alpine AS builder
+WORKDIR /var/www/
-COPY --from=php_builder /var/www/ /app/
-WORKDIR /app
 RUN npm install
 RUN npm run staging
 

Dockerfile.staging

@@ -15,6 +15,9 @@ RUN mkdir -p /root/.ssh && \
 
 RUN docker-php-ext-install gd
 
+RUN curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - && \
+    apt-get install -y nodejs
+
 RUN printf 'upload_max_filesize=300M;\npost_max_size=300M;\nmax_execution_time=600;\nmax_input_time=600;\n' >> /usr/local/etc/php/conf.d/docker-php-memlimit.ini;
 RUN echo 'pm.max_children = 100' >> /usr/local/etc/php-fpm.d/zz-docker.conf