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System Architect Go
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System Architect Go

Programming, architecture, application development, message queues, middleware, databases, containerization, big data, image processing, machine learning, AI, personal growth.

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Recent Articles

Latest from System Architect Go

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System Architect Go
System Architect Go
Mar 20, 2023 · Cloud Native

Secure Kubernetes Secrets: Comparing Sealed Secrets, External Secrets Operator, and CSI Driver

This article explains why native Kubernetes Secrets are insufficiently protected, introduces three open‑source solutions—Sealed Secrets, External Secrets Operator, and Secrets Store CSI Driver—covers their architecture, installation steps, usage examples, advantages, drawbacks, and provides practical code snippets for managing secrets safely in Git‑backed clusters.

CSI DriverCloud NativeExternal Secrets Operator
0 likes · 20 min read
Secure Kubernetes Secrets: Comparing Sealed Secrets, External Secrets Operator, and CSI Driver
System Architect Go
System Architect Go
Apr 15, 2022 · Artificial Intelligence

Elasticsearch Vector Search: script_score and _knn_search Methods

This article explains Elasticsearch's vector search capabilities, detailing two approaches—script_score using dense_vector fields for exact similarity scoring and the experimental _knn_search for approximate nearest neighbor queries—along with data modeling examples, code snippets, performance considerations, and usage guidelines.

ElasticSearchVector Search_knn_search
0 likes · 6 min read
Elasticsearch Vector Search: script_score and _knn_search Methods
System Architect Go
System Architect Go
Mar 27, 2022 · Cloud Computing

Terraform: Infrastructure as Code

Terraform enables declarative, code‑driven provisioning of cloud resources such as VPCs, virtual hosts, load balancers, databases, and storage across multiple providers, simplifying infrastructure management through reusable providers and modules, version control, and state tracking, thereby reducing manual configuration effort.

IaCInfrastructure as Codemodule
0 likes · 4 min read
Terraform: Infrastructure as Code
System Architect Go
System Architect Go
Mar 13, 2022 · Cloud Native

Accelerating Kubernetes Image Pulls

To reduce pod startup delays caused by slow image downloads, this article explains Kubernetes image pull policies, the impact of image size, network transfer, and caching strategies such as using smaller base images, docker‑slim, pre‑pulling via DaemonSets, and the cluster’s garbage‑collection thresholds.

Image PullKubernetesperformance
0 likes · 4 min read
Accelerating Kubernetes Image Pulls
System Architect Go
System Architect Go
Mar 10, 2021 · Information Security

Server-side Template Injection

This article explains what server‑side template injection (SSTI) is, how it arises, its potential impacts such as remote code execution, methods for detecting, identifying and exploiting vulnerable template engines, and best‑practice mitigation techniques to prevent these critical web security flaws.

0 likes · 14 min read
Server-side Template Injection
System Architect Go
System Architect Go
Mar 8, 2021 · Information Security

Insecure Deserialization

This article explains what insecure deserialization is, why it leads to high‑severity attacks, demonstrates typical PHP, Ruby, and Java examples, and provides practical techniques for identifying, exploiting, and mitigating unsafe deserialization vulnerabilities.

JavaPHPSecurity
0 likes · 27 min read
Insecure Deserialization
System Architect Go
System Architect Go
Mar 6, 2021 · Information Security

Understanding and Exploiting HTTP Host Header Attacks

This article explains how misconfigured HTTP Host headers can be abused for attacks such as cache poisoning, SSRF, password‑reset poisoning and other server‑side exploits, and provides practical detection methods and defensive recommendations for developers and security engineers.

Vulnerabilitycache poisoninghost-header
0 likes · 26 min read
Understanding and Exploiting HTTP Host Header Attacks
System Architect Go
System Architect Go
Mar 4, 2021 · Information Security

Understanding Clickjacking: Attack Techniques and Effective Defenses

This article explains what clickjacking (UI redressing) is, demonstrates how attackers craft hidden iframe layers to hijack user clicks, and outlines both client‑side and server‑side mitigation strategies such as frame‑busting scripts, X‑Frame‑Options, and Content‑Security‑Policy directives.

Content Security PolicyUI redressingX-Frame-Options
0 likes · 10 min read
Understanding Clickjacking: Attack Techniques and Effective Defenses