feat: make images arm64 compatible

build/erpnext-nginx/Dockerfile

@@ -1,13 +1,19 @@
-ARG NODE_IMAGE_TAG=12-prod
+ARG NODE_IMAGE_TAG=12-buster-slim
 ARG GIT_BRANCH=develop
-FROM bitnami/node:${NODE_IMAGE_TAG}
+ARG DOCKER_REGISTRY_PREFIX=frappe
+FROM node:${NODE_IMAGE_TAG}
 
 ARG GIT_BRANCH
 COPY build/erpnext-nginx/install_app.sh /install_app
+RUN chmod +x /install_app && \
+  apt-get update -y && \
+  apt-get install build-essential git python2 -y && \
+  apt-get clean && \
+  rm -rf /var/lib/apt/lists/*
 
 RUN /install_app erpnext https://github.com/frappe/erpnext ${GIT_BRANCH}
 
-FROM frappe/frappe-nginx:${GIT_BRANCH}
+FROM ${DOCKER_REGISTRY_PREFIX}/frappe-nginx:${GIT_BRANCH}
 
 COPY --from=0 /home/frappe/frappe-bench/sites/ /var/www/html/
 COPY --from=0 /rsync /rsync