Updating Dockerfiles with comments

Author: msanandalt

nginx/Dockerfile

@@ -1,13 +1,8 @@
-############################################################
-# Dockerfile to build Nginx Installed Containers
-# Based on Ubuntu
-############################################################
-
 # Set the base image to Ubuntu
 FROM ubuntu
 
 # File Author / Maintainer
-MAINTAINER Anand M.S <[email protected]>
+MAINTAINER Anand Mani Sankar
 
 # Install Nginx
 
@@ -35,6 +30,5 @@ RUN echo "daemon off;" >> /etc/nginx/nginx.conf
 # Expose ports
 EXPOSE 80
 
-# Set the default command to execute
-# when creating a new container
+# Set the default command to execute when creating a new container
 CMD service nginx start

node/Dockerfile

@@ -1,22 +1,35 @@
+# Set the base image to Ubuntu
 FROM    ubuntu
-MAINTAINER Anand M.S <[email protected]>
 
+# File Author / Maintainer
+MAINTAINER Anand Mani Sankar
 
+# Update the repository
 RUN apt-get update
+
+# Install the dependencies
 RUN apt-get -y install curl
 RUN curl -sL https://deb.nodesource.com/setup | sudo bash -
 RUN apt-get -y install python build-essential
+
+# Install nodejs
 RUN apt-get -y install nodejs
-# RUN ln -s /usr/bin/nodejs /usr/bin/node
+
+# Check node and npm versions
 RUN node -v
 RUN npm -v
 
+# Install nodemon
 RUN npm install -g nodemon
 
 # Bundle app source
 COPY . /src
+
 # Install app dependencies
 RUN cd /src; npm install
 
+# Expose port
 EXPOSE  8080
+
+# Run app using nodemon
 CMD ["nodemon", "/src/index.js"]

redis/Dockerfile

@@ -1,4 +1,14 @@
+# Set the base image to Ubuntu
 FROM        ubuntu
+
+# File Author / Maintainer
+MAINTAINER Anand Mani Sankar
+
+# Update the repository and install Redis Server
 RUN         apt-get update && apt-get install -y redis-server
+
+# Expose Redis port 6379
 EXPOSE      6379
+
+# Run Redis Server
 ENTRYPOINT  ["/usr/bin/redis-server"]