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Category Archives: How-To guides

Implementing secure containers using gVisor+Docker tutorial

Linux containers has been around since the early 2000s and architected into Linux in 2007. Due to small footprint and portability of containers, the same hardware can support an exponentially larger number of containers than VMs, dramatically reducing infrastructure costs and enabling more apps to

linkerd

What is Service Mesh & why do we need it? + Linkered Tutorial

In Microservice ecosystem, usually cross-cutting concerns such as service discovery, service-to-service and origin-to-service security, observability and resiliency etc., are deployed via shared asset such as an API gateway or ESB. As microservice grows in size and complexity, it can become harder to understand and manage.

Kaniko Tutorial : Build container images without Docker Daemon

Google has recently introduced┬áKaniko, an open-source tool for building container images from a Dockerfile even without privileged root access.If you’ve noticed, Docker daemon always runs as the root user.It actually binds to a Unix socket instead of a TCP port. By default, Unix socket is

weavescope

Weave Scope Introduction + Kubernetes tutorial

Introduction Weave Scope is a visualization, and monitoring tool for Docker and Kubernetes.For Microservices-based architecture,Weave scope would be useful in visualizing network bottlenecks, troubleshooting CPU consumption and troubleshooting memory leaks.It provides a top down view into your app as well as your entire infrastructure, and

openfaas

OpenFaaS Tutorial: Build and Deploy Serverless Java Functions

Introduction Serverless allows developers to build and run applications and services without thinking about the servers actually running the code. Serverless services, or FaaS (Functions-as-a-Service) providers, instrument this concept by allowing developers to upload the code while taking care of deploying running and scaling it.AWS