Kubernetes is an open source orchestration tool for application containers developed by Google. It packages all of the necessary tools - orchestration, service discovery and load balancing in one place. Kubernetes is portable which means it can be deployed on public, private, hybrid along with multiple cloud platform providers. It is...
What is Docker Swarm: Docker Swarm is the orchestration tool from the makers of Docker. In the words of Docker website itself, "Docker Swarm provides native clustering capabilities to turn a group of Docker engines into a single, virtual Docker Engine." In case you are unfamiliar with what Docker is, you can read my previous post...
If you are hosting some micro websites on the AWS ECS, where every task is a separate application, and each task has running multiple containers on a Cluster. If we have a scenario where we want each of our application should upload its data to a separate AWS S3 bucket, we create a single role giving access to all S3 buckets and attach...
Cloudfoundry: Open Source Platform as a Service A platform used for running applications and services. The purpose of cloudfoundry is to change the way apps and services are deployed and run by reducing the cycle time of development to deployment. Cloud Foundry directly takes benefits of cloud-based resources such that apps running...
Platform as a service (PaaS) : a cloud computing model which allows user to deliver applications over the Internet. In a this model, a cloud provider provides hardware ( like IaaS ) as well as software tools which are usually needed for development of required Application to its users. The hardware and software tools are provided as a...
We have been using ELK as a centralized logs management system. ELK stands for Elasticsearch, Logstash, and Kibana. Each of the three services is running inside its own docker container in one docker-network (say elk-net) on a single server. A separate block storage device is mapped from the host into Elasticsearch container (named es)...
Docker just released the new Docker version 1.10. Docker has tried push in a lot of big changes in order make it even simpler for its users. Even the last version that was pushed (Docker 1.9) brought about a lot of changes, especially in networking. Let's see in brief, what these changes are and how they will help you to use Docker...
It was indeed an amazing GR8Conf IN 2016 with more than 200 participants, marvelous line-up of speakers and fully packed parallel sessions at The Lalit, New Delhi. This year the conference was sponsored by OCI, which is the new home for Grails. The entire conference was also live streamed by #fame with more than 4000 viewers across the...
In my last couple of blogs, I talked about Docker monitoring, why I would need Docker monitoring and how I can monitor Docker containers using AWS, Ruxit and Sysdig. Today, we are going to talk about another such tool which most of us already know about which also provides Docker monitoring. The tool is New Relic. How to...
With the large scale adoption of the Docker by the developers, it becomes necessary to provide a proxy cache server for Docker registry where Docker image once downloaded from Docker Hub can be retrieved again from the local proxy server. This saves us a lot of time from downloading the image again and again from Docker Hub.Scenario:Set...
Recently, I got a chance to dockerize a traditional MongoDB replica set. Currently, I am doing it for QA and UAT environment where MongoDB replica set is setup on a single host. So, in this blog, we will do it on a single host using Docker Networking and Docker Compose. Scenario: Set up a MongoDB replica using version 3.0.5 set...
Sysdig has been one of the most advanced cloud-based tools for monitoring your infrastructure. So, talking about Docker monitoring, Sysdig gives us a lot of insights about our containers, few of which we will be talking about in this blog. Docker is the most widely used and trending tool when it comes to DevOps. USE-CASE In this...