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Aleksei Aleinikov

My interests range from building complex algorithms and designing high-performance systems to applying AI to solve real-world challenges.

Location Thessaloniki, Greece Joined Joined on  Personal website https://www.alekseialeinikov.com

Work

DevSecOps

Secure-by-Default GKE: Eine Referenzarchitektur für 2026
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Secure-by-Default GKE: Eine Referenzarchitektur für 2026

#gke #kubernetessicherheit #gcp #workloadidentityfederation
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6 min read
Warum ich von Nest.js zu Fastify und DDD gewechselt bin
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Warum ich von Nest.js zu Fastify und DDD gewechselt bin

#node #fastify #nestjs #ddd
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5 min read
Python Dicts unter Kontrolle: Modelle statt Rohdaten in 2026
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Python Dicts unter Kontrolle: Modelle statt Rohdaten in 2026

#python #pydantic #datamodels #typesafety
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4 min read
Wie viele Threads nutzt Go wirklich? Eine Runtime-Untersuchung 2026
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Wie viele Threads nutzt Go wirklich? Eine Runtime-Untersuchung 2026

#go #concurrency #runtime #threading
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3 min read
10 Node.js NPM-Pakete, die man 2026 beherrschen sollte
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10 Node.js NPM-Pakete, die man 2026 beherrschen sollte

#node #npm #javascript #packages
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6 min read
Web Scraping vs. Web Crawling: Der echte Unterschied (2026)
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Web Scraping vs. Web Crawling: Der echte Unterschied (2026)

#webscraping #webcrawling #python #brightdata
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6 min read
JWT nicht in LocalStorage speichern: Cookie Auth fuer SPAs 2026
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JWT nicht in LocalStorage speichern: Cookie Auth fuer SPAs 2026

#jwt #authentication #cookies #websecurity
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6 min read
es-toolkit 2026: Die Lodash-Alternative, die 2x schneller und 97% kleiner ist
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es-toolkit 2026: Die Lodash-Alternative, die 2x schneller und 97% kleiner ist

#estoolkit #lodash #javascript #typescript
Comments
5 min read
SQL Query Optimization 2026: 7 einfache Techniken fuer schnellere Datenbank-Performance
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SQL Query Optimization 2026: 7 einfache Techniken fuer schnellere Datenbank-Performance

#sql #database #queryoptimization #postgres
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6 min read
Sichere GitLab CI/CD-Pipelines 2026: Ein praktisches Hardening-Playbook
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Sichere GitLab CI/CD-Pipelines 2026: Ein praktisches Hardening-Playbook

#gitlab #cicd #devsecops #pipelinesecurity
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6 min read
Schluss mit Service-Account-Schlüsseln: Workload Identity Federation auf GCP 2026
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Schluss mit Service-Account-Schlüsseln: Workload Identity Federation auf GCP 2026

#workloadidentityfederation #serviceaccountkeys #gcp #cloudsecurity
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7 min read
Python Joblib 2026: Prozesse, Threads, Memmap und Caching
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Python Joblib 2026: Prozesse, Threads, Memmap und Caching

#python #joblib #parallelism #multiprocessing
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4 min read
Python Web Scraping ohne Proxy-Verwaltung: Bright Data Web Unlocker API (2026)
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Python Web Scraping ohne Proxy-Verwaltung: Bright Data Web Unlocker API (2026)

#python #webscraping #brightdata #webunlocker
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8 min read
Python-Fehlerbehandlung 2026: Try-Except oder If-Checks?
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Python-Fehlerbehandlung 2026: Try-Except oder If-Checks?

#python #errors #exceptions #tryexcept
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3 min read
Pytest in der Praxis 2026: Testing Guide fuer Python Entwickler
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Pytest in der Praxis 2026: Testing Guide fuer Python Entwickler

#python #pytest #testing #unittesting
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4 min read
Pub/Sub oder Eventarc? Event-Driven GCP ohne Spaghetti
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Pub/Sub oder Eventarc? Event-Driven GCP ohne Spaghetti

#eventdriven #pubsub #eventarc #gcp
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5 min read
Playwright Web Scraping auf Kubernetes produktionsreif betreiben mit Bright Data (2026)
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Playwright Web Scraping auf Kubernetes produktionsreif betreiben mit Bright Data (2026)

#playwright #webscraping #kubernetes #brightdata
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9 min read
microVMs erklärt: Firecracker vs. gVisor für sichere Workloads 2026
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microVMs erklärt: Firecracker vs. gVisor für sichere Workloads 2026

#microvms #firecracker #gvisor #sandboxing
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5 min read
Einen kleinen Linux-Container ohne Docker bauen 2026
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Einen kleinen Linux-Container ohne Docker bauen 2026

#containers #linux #docker #namespaces
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5 min read
LinkedIn-Scraping vs. Datensatz kaufen 2026: 3 Tage Code, die ich hätte sparen können
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LinkedIn-Scraping vs. Datensatz kaufen 2026: 3 Tage Code, die ich hätte sparen können

#python #webscraping #linkedin #datasets
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11 min read
Kafka vs Pub/Sub 2026: Wenn Managed Messaging einen Fintech Launch rettet
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Kafka vs Pub/Sub 2026: Wenn Managed Messaging einen Fintech Launch rettet

#kafka #pubsub #messaging #gcp
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4 min read
Google ADK 2026: Produktionsreife KI-Agenten mit dem Agent Development Kit bauen
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Google ADK 2026: Produktionsreife KI-Agenten mit dem Agent Development Kit bauen

#aiagents #googleadk #llm #python
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5 min read
Ich wurde Google Cloud Ambassador — Infrastructure: Was es in 2026 wirklich braucht
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Ich wurde Google Cloud Ambassador — Infrastructure: Was es in 2026 wirklich braucht

#googlecloud #gcp #cloud #ambassador
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11 min read
GitOps mit Argo CD: Automatisierte Kubernetes-Deployments 2026
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GitOps mit Argo CD: Automatisierte Kubernetes-Deployments 2026

#gitops #argocd #kubernetes #cicd
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9 min read
Die ersten 24 Stunden mit dem Security Command Center: Was niemand sagt
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Die ersten 24 Stunden mit dem Security Command Center: Was niemand sagt

#security #googlecloud #scc #securitycommandcenter
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5 min read
Echtzeit-RAG in Python: Live-Google-Ergebnisse für dein LLM (2026)
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Echtzeit-RAG in Python: Live-Google-Ergebnisse für dein LLM (2026)

#rag #llm #python #serpapi
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7 min read
Eigenes CSPM auf GCP bauen: Security Command Center vs. Open Source
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Eigenes CSPM auf GCP bauen: Security Command Center vs. Open Source

#cspm #cloudsecurity #googlecloud #gcp
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5 min read
Ich habe ESLint + Prettier 2026 durch Biome ersetzt — hier ist der Benchmark
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Ich habe ESLint + Prettier 2026 durch Biome ersetzt — hier ist der Benchmark

#biome #eslint #prettier #rust
Comments
6 min read
Why I Moved from Nest.js to Fastify and DDD in 2026
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Why I Moved from Nest.js to Fastify and DDD in 2026

#node #fastify #nestjs #ddd
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5 min read
User-Level Permission Controls for MCP Tool Access with an Enterprise MCP Gateway
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User-Level Permission Controls for MCP Tool Access with an Enterprise MCP Gateway

#mcp #aigateway #accesscontrol #bifrost
1
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8 min read
Stop Storing JWTs in LocalStorage: Cookie Auth for SPAs in 2026
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Stop Storing JWTs in LocalStorage: Cookie Auth for SPAs in 2026

#jwt #authentication #cookies #websecurity
Comments
6 min read
Stop Passing Raw Dicts Around in Python: Safer Models for 2026
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Stop Passing Raw Dicts Around in Python: Safer Models for 2026

#python #pydantic #datamodels #typesafety
Comments
4 min read
SQL Query Optimization in 2026: 7 Simple Techniques for Faster Database Performance
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SQL Query Optimization in 2026: 7 Simple Techniques for Faster Database Performance

#sql #database #queryoptimization #postgres
Comments
6 min read
Secure GitLab CI/CD in 2026: A Practical Hardening Playbook
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Secure GitLab CI/CD in 2026: A Practical Hardening Playbook

#gitlab #cicd #devsecops #pipelinesecurity
Comments
6 min read
Real-Time RAG in Python: Feed Your LLM Live Google Results (2026)
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Real-Time RAG in Python: Feed Your LLM Live Google Results (2026)

#rag #llm #python #serpapi
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7 min read
Python Web Scraping Without Proxy Management: Bright Data Web Unlocker API (2026)
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Python Web Scraping Without Proxy Management: Bright Data Web Unlocker API (2026)

#python #webscraping #brightdata #webunlocker
Comments
9 min read
Python Joblib in 2026: Processes, Threads, Memmap, and Caching
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Python Joblib in 2026: Processes, Threads, Memmap, and Caching

#python #joblib #parallelism #multiprocessing
Comments
4 min read
Python Error Handling in 2026: Try-Except or If-Checks?
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Python Error Handling in 2026: Try-Except or If-Checks?

#python #errors #exceptions #tryexcept
Comments
3 min read
Pytest in Practice 2026: A Python Developer Testing Guide
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Pytest in Practice 2026: A Python Developer Testing Guide

#python #pytest #testing #unittesting
Comments
4 min read
Production-Grade Playwright Web Scraping on Kubernetes with Bright Data (2026)
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Production-Grade Playwright Web Scraping on Kubernetes with Bright Data (2026)

#playwright #webscraping #kubernetes #brightdata
Comments
9 min read
10 Node.js NPM Packages Worth Mastering in 2026
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10 Node.js NPM Packages Worth Mastering in 2026

#node #npm #javascript #packages
Comments
6 min read
Kafka vs Pub/Sub in 2026: When Managed Messaging Saves a Fintech Launch
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Kafka vs Pub/Sub in 2026: When Managed Messaging Saves a Fintech Launch

#kafka #pubsub #messaging #gcp
Comments
4 min read
Kill Your Service Account Keys: Workload Identity Federation on GCP in 2026
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Kill Your Service Account Keys: Workload Identity Federation on GCP in 2026

#workloadidentityfederation #serviceaccountkeys #gcp #cloudsecurity
Comments
7 min read
How Many Threads Does Go Really Use? A 2026 Runtime Investigation
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How Many Threads Does Go Really Use? A 2026 Runtime Investigation

#go #concurrency #runtime #threading
Comments
3 min read
I Became a Google Cloud Ambassador — Infrastructure: Here Is What It Actually Takes in 2026
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I Became a Google Cloud Ambassador — Infrastructure: Here Is What It Actually Takes in 2026

#googlecloud #gcp #cloud #ambassador
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11 min read
Google ADK in 2026: Building Production AI Agents with the Agent Development Kit
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Google ADK in 2026: Building Production AI Agents with the Agent Development Kit

#aiagents #googleadk #llm #python
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5 min read
microVMs Explained: Firecracker vs gVisor for Secure Workloads in 2026
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microVMs Explained: Firecracker vs gVisor for Secure Workloads in 2026

#microvms #firecracker #gvisor #sandboxing
Comments
5 min read
LinkedIn Scraping vs. Buying a Dataset in 2026: 3 Days of Code I Could Have Skipped
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LinkedIn Scraping vs. Buying a Dataset in 2026: 3 Days of Code I Could Have Skipped

#python #webscraping #linkedin #datasets
Comments
10 min read
GitOps with Argo CD: Automated Kubernetes Deployments in 2026
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GitOps with Argo CD: Automated Kubernetes Deployments in 2026

#gitops #argocd #kubernetes #cicd
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9 min read
The First 24 Hours with Security Command Center: What Nobody Tells You
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The First 24 Hours with Security Command Center: What Nobody Tells You

#security #googlecloud #scc #securitycommandcenter
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5 min read
es-toolkit in 2026: The Lodash Replacement That's 2 Faster and 97% Smaller
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es-toolkit in 2026: The Lodash Replacement That's 2 Faster and 97% Smaller

#estoolkit #lodash #javascript #typescript
Comments
6 min read
Build Your Own CSPM on GCP: Security Command Center vs Open Source
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Build Your Own CSPM on GCP: Security Command Center vs Open Source

#cspm #cloudsecurity #googlecloud #gcp
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5 min read
Build a Tiny Linux Container without Docker in 2026
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Build a Tiny Linux Container without Docker in 2026

#containers #linux #docker #namespaces
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5 min read
Benutzerbezogene Zugriffskontrolle für MCP-Tools mit einem Enterprise-MCP-Gateway
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Benutzerbezogene Zugriffskontrolle für MCP-Tools mit einem Enterprise-MCP-Gateway

#mcp #aigateway #accesscontrol #bifrost
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8 min read
I Replaced ESLint + Prettier with Biome in 2026 — Here Is the Benchmark
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I Replaced ESLint + Prettier with Biome in 2026 — Here Is the Benchmark

#biome #eslint #prettier #rust
Comments
1 min read
Secure-by-Default GKE: A Reference Architecture for 2026
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Secure-by-Default GKE: A Reference Architecture for 2026

#gke #kubernetessecurity #gcp #workloadidentityfede
Comments
1 min read
Web Scraping vs Web Crawling: The Real Difference (2026)
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Web Scraping vs Web Crawling: The Real Difference (2026)

#webscraping #webcrawling #python #brightdata
Comments
1 min read
Pub/Sub or Eventarc? Event-Driven GCP Without the Spaghetti
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Pub/Sub or Eventarc? Event-Driven GCP Without the Spaghetti

#eventdriven
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1 min read
I spent 3 days building a LinkedIn scraper.
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I spent 3 days building a LinkedIn scraper.

#python #webscraping #dataengineering #bigdata
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1 min read
How I Scraped Protected Websites in Python Without Managing Proxies 🐍
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How I Scraped Protected Websites in Python Without Managing Proxies 🐍

#webscraping #python #beautifulsoup #dataengineering
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1 min read
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