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Experimenting with IP Tables
While playing around with container technologies such as docker and kubernetes, one critical component that kind of comes up over and over again is the whole portion about managing network connections to the containers.
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Restricting connections between pods in a Kubernetes Cluster (Network Policy)
There is an old adage from security land that we should restrict access to resources/assets as much as we can. Users and applications should only access items that they need to operate themselves.
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Private VPC Experimentation
This blog post is kind of a blog post that provide some notes of some experimentation that I encountered while playing with Google Cloud Platform. The purpose of this experimentation was to do the following:
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Debugging Distroless Kubernetes Pods
There is a trend of images that follow the philosophy of minimizing the size of image by removing almost everything out of image. This helps with getting image downloaded more quickly by kubelet into the nodes as well as possibly reducing the attack surface of the container even further (I suppose it’s harder to do things in a container if utilities like shell or bash don’t exist within it).
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A Weight Loss Journey
Before reading on, I’d just give a disclaimer here that any experience recounted here does not count as medical advice. As with anything to do with health or your body, do seek the appropiate medical channels (your doctor etc).
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Application Performance isn't the most important factor in application development
NOTE: This post is only my personal view during my course of work across application development and devoloper operations roles across multiple roles and multiple companies and side projects. This might probably sound like random rambling to a software developer that is working in the industry but sometimes, it gets pretty irritating where people throw reasons that certain decisions should be made for “performance” and provide vague reasons for it.
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Devops Interview Questions
This is a list of notes for possible interview questions with regards to devops roles. Interview questions for devops are particularly hard to cover since devops roles generally cover a broad range of topics and technologies.
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Kubernetes Ingress for applications with branded links on GKE
While dealing with branded links during my course of work, I kind of wondered how it can be tackled if I were to do it in a Google Kubernetes Engine Cluster.
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Bus Arrival App - Singapore
This is a quick sample tool to retrieve bus arrivals in Singapore. In order to use it, we would need to find for the Bus Stop ID or Bus Stop Code from where we’re taking the bus from.
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Database migration via Cloud SQL Proxy for Cloud SQL in Google Compute Engine VM
Database migration is kind of a critical bit when it comes to running and operating applications. In Golang, it is kind of appealing to rely on ORM (Object Relational Mapping) libraries.
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