Knoldus Blogs

How to use concept of Networking in Docker ?

December 27, 2022December 28, 2022Docker, Studio-DevOpscontainers, Devops, docker, networking

Reading Time: 4 minutes Introduction As we gave a basic introduction to Docker in this blog. Docker provides OS independent containers that run in an isolated environment. Docker networking enables these containers to communicate with other containers and other required places like the internet to gain the updates of applications. With the understanding of networking in Docker, we can create custom networks for our containers as per the requirements. Continue Reading

Create the Docker image from the Dockerfile present on Github

April 28, 2022April 28, 2022Docker, Studio-DevOps, Studio-Scalaautomation, Devops, docker, dockerfile, github

Reading Time: 3 minutes In this we will write a dockerfile which is present on the github and with that we are creating the docker image . Docker image is build on your dockerhub repository . We can say that we are setting up automated builds . Github Github is a specific open-source version control system created by linus torvalds in 2005 . It is distributed version control system Continue Reading

Using Dagger with Jenkins in a simple CI pipeline

April 26, 2022September 2, 2022Docker, Jenkins, Studio-DevOpsDagger

Reading Time: 4 minutes Introduction Dagger is an opensource devkit for continuous integration, deployment and delivery. It uses the power of BuildKit from docker and CUE to create platform independent deployment and integrations. And Jenkins is a automation server like teamcity, concourse, circle ci, github actions that creates CI/CD pipelines. As we have seen in the blog use of actions in Dagger, we will use them with Jenkins. Prerequisites Continue Reading

Docker: Basic understanding and terminology

March 29, 2022March 29, 2022Dockerdocker

Reading Time: 5 minutes History: how did it is originated? Solomon Hykes originated from Paris founded the docker as DotCloud in 2008. And initially, it is started as a Platform as a service (PaaS). Later, he started to focus on democratizing the underlying software containers on which its platform was running. Hykes first demoed the Docker at PyCon in March 2013. And he explained that Docker was created because developers Continue Reading

How to Set-up Airflow Environment Using Docker

February 22, 2022February 22, 2022Apache Airflow, Dockerapache airflow, docker, Tech blogs, yaml

Reading Time: 3 minutes In this blog we will learn how to set-up airflow environment using Docker.. Why we need Docker Apache airflow is an open source project and grows an overwhelming pace , As we can see the airflow github repository there are 632 contributors and 98 release and more than 5000 commits and the last commit was 4 hours ago. That means airflow had new commits everyday Continue Reading

Setup Airflow with Docker

February 1, 2022February 1, 2022Apache Airflow, Docker, linux, Tech Blogsapache airflow, docker

Reading Time: 2 minutes Introduction Apache Airflow is an open-source workflow management platform for building the data pipelines. Airflow uses directed acyclic graphs (DAGs) to manage workflow orchestration. Tasks and dependencies are defined in Python and then Airflow manages the scheduling and execution. In this article, we will discuss the procedures for running Apache Airflow in Docker container (Community Edition). Getting Started Install the prerequisites Run the service Check http://localhost:8080 Done! Continue Reading

Execute postman collection with docker-compose

December 15, 2021December 15, 2021API Testing, DockerAPI Testing, docker

Reading Time: 3 minutes Hello Everyone, Today we will go through with one interesting integration provided by Postman i.e run your collection using Docker. In this, we can see how we can integrate your postman API request and run it from a docker container. Let’s start, the simple prerequisite for this blog is that you have docker installed in your machine. What is Docker? Docker is a container system Continue Reading

Understanding Containerization and its implementation by Docker

August 3, 2021August 3, 2021Docker, Studio-DevOpscontainer, containerization, Devops, docker, hands-on, MicroService, practical, quickstart

Reading Time: 4 minutes Containerization is a famous practice that is being implemented in most of the application. Industries are moving to deploy the application in form of containers rather than with the traditional on-premise method. In this blog, we’ll understand the benefits that containerization provides to Developers as well as DevOps. Let’s begin with the journey What is Containerization? This is one of the most popular concepts being Continue Reading

Secure your app with Keycloak and Docker

July 29, 2021July 29, 2021Docker, Studio-Scala, Tech Blogsdocker, IAM, Keyclaok

Reading Time: 6 minutes IAM

How to Run Multi-Container Applications with Docker Compose

May 31, 2021May 31, 2021Docker, Studio-DevOps, Tech Blogscontainerization, Devops, docker compose

Reading Time: 4 minutes If you have a need to define a service that requires more than one docker container to function, Docker Compose is the right tool for you. In this blog, you’ll see how easily you can run a multi-container docker application using Docker Compose. Docker Compose – Introduction Docker Compose is basically a docker tool to define and run multi-container Docker applications. Each of these containers Continue Reading

How to delete record from Kafka Topic : Tombstone

May 21, 2021Apache Kafka, Dockerdelete-record, kafka, kafka topics, tombstone

Reading Time: 4 minutes Hello Reader,Here we will see how can we delete records from Kafka’s topic(compacted topic as well as the non-compacted topic). Problem : GDPR: General Data Protection Regulation is a regulation that requires businesses to protect the personal data and privacy of EU citizens for transactions that occur within EU member states. CCPA: The California Consumer Privacy Act is a state-wide data privacy law that regulates Continue Reading

Docker-Why Developers Love Docker? Just Have A Look!

May 19, 2021May 19, 2021Docker, Studio-DevOps, Tech BlogsDevops, docker, docker introduction, install docker, technology

Reading Time: 5 minutes It is basically a tool which enables developers to create,deploy and to run any application easily as light-weight container ,which could run virtually anywhere.The main purpose of Docker is to easily develop applications. It further ship them into containers so that they can then be deployed anywhere. This feature is very helpful to developers. And most importantly it is an open source. This means that anyone can contribute Continue Reading

What Are Multi-Stage Docker Builds?

February 6, 2021February 6, 2021Docker, Studio-DevOpsdocker, docker-image, multi-stage-builds

Reading Time: 2 minutes Why multi-stage build? One of the most difficult things about building images is keeping the size of an image as small as possible. The multi-stage build is a new feature and it requires Docker 17.05 or higher on the daemon and client. Before multi-stage build! Before multi-stage build, It was common to have one Dockerfile to use for development (which has everything needed to build Continue Reading