Updated dockerfiles with comment

dockerfiles/node

@@ -1,3 +1,7 @@
+# FROM node:14-alpine
+# Uncomment the line above if you want to use a Dockerfile instead of templateId
+
+
 RUN apk update && apk upgrade && \
     apk add --no-cache git
 RUN mkdir -p /usr/src/app

dockerfiles/php

@@ -1,2 +1,4 @@
+# FROM php:7.3-apache
+# Uncomment the line above if you want to use a Dockerfile instead of templateId
+
 COPY ./ /var/www/html/
-# COPY config/php.ini /usr/local/etc/php/

dockerfiles/python-django

@@ -1,3 +1,7 @@
+# FROM python:3.8.3-alpine
+# Uncomment the line above if you want to use a Dockerfile instead of templateId
+
+
 RUN apk update && apk upgrade && \
     apk add --no-cache make g++ bash git openssh postgresql-dev curl
 

dockerfiles/ruby-rack

@@ -1,3 +1,7 @@
+# FROM ruby:2.7.1-alpine
+# Uncomment the line above if you want to use a Dockerfile instead of templateId
+
+
 RUN apk update && apk upgrade && \
     apk add --no-cache make g++ git postgresql-dev