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Mustafa ERBAY

Cloud, system architecture and DevOps from the trenches. Original blog at mustafaerbay.com.tr

Location İstanbul, Türkiye Joined Joined on  Personal website https://mustafaerbay.com.tr github website

Work

Senior software & infrastructure engineer

API Versioning: Current Approaches and Choices in the Ecosystem
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API Versioning: Current Approaches and Choices in the Ecosystem

#api #versioning #architecture #development
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10 min read
API Versioning Strategies: On REST and GraphQL Differences…
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API Versioning Strategies: On REST and GraphQL Differences…

#apiversioning #rest #graphql #architecture
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12 min read
The Psychology of Running Production on a Single VPS
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The Psychology of Running Production on a Single VPS

#vps #psychology #indiehacker #operasyon
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6 min read
3rd OOM on the VPS: Parallel Builds and a flock Mutex Story
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3rd OOM on the VPS: Parallel Builds and a flock Mutex Story

#vps #oom #incident #buildmutex
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7 min read
First OOM: kcompactd at 92% CPU, sshd Reset, Hard Reboot
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First OOM: kcompactd at 92% CPU, sshd Reset, Hard Reboot

#oom #swap #incident #kcompactd
1
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5 min read
My Cleanup Script Killed the GitHub Runner: A Self-Inflicted Incident
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My Cleanup Script Killed the GitHub Runner: A Self-Inflicted Incident

#incident #githubactions #cleanup #postmortem
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4 min read
Cloudflare HTML Cache Stuck at 1.1%: Recovery with Nginx map
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Cloudflare HTML Cache Stuck at 1.1%: Recovery with Nginx map

#cloudflare #cache #nginx #astro
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4 min read
Docker Ate 56 GB of Disk in a Day: Building a Cleanup Automation
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Docker Ate 56 GB of Disk in a Day: Building a Cleanup Automation

#docker #disk #incident #systemd
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5 min read
An Evening of Quirk Hunting in My AI Content Pipeline: 3 Bugs, 1…
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An Evening of Quirk Hunting in My AI Content Pipeline: 3 Bugs, 1…

#aiautomation #contentpipeline #validator #postmortem
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5 min read
Offline-First Synchronization Strategies in Mobile Applications
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Offline-First Synchronization Strategies in Mobile Applications

#tutorials #mobiledevelopment #synchronization #offlinefirst
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11 min read
Application Log Levels: When to Use DEBUG and INFO?
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Application Log Levels: When to Use DEBUG and INFO?

#logging #debugging #softwaredevelopment #observability
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10 min read
MDX Layout Best Practices: Import Order and Component Placement
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MDX Layout Best Practices: Import Order and Component Placement

#mdx #astro #webdev #bestpractices
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5 min read
WAL Bloat Management: Why Is It Overlooked in PostgreSQL?
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WAL Bloat Management: Why Is It Overlooked in PostgreSQL?

#life #postgres #database #optimization
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8 min read
Self-hosted GitHub Actions Runner: Balancing Cost and Control
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Self-hosted GitHub Actions Runner: Balancing Cost and Control

#githubactions #cicd #devops #selfhosted
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7 min read
Product Tree Denormalization and the Anatomy of Technical Debt
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Product Tree Denormalization and the Anatomy of Technical Debt

#life #technicaldebt #denormalization #erp
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11 min read
CI/CD Durations and Our Daily Lives: Local vs Shared Build Cache
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CI/CD Durations and Our Daily Lives: Local vs Shared Build Cache

#life #cicd #buildcache #devrel
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1 min read
Build Cache Management in CI/CD: 3 Practical Approaches
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Build Cache Management in CI/CD: 3 Practical Approaches

#cicd #buildcache #devops #tutorials
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6 min read
Build Cache Management in CI/CD: 3 Practical Strategies
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Build Cache Management in CI/CD: 3 Practical Strategies

#cicd #buildcache #developerproductivity #tutorials
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6 min read
3 Pragmatic Principles for Idempotency in Distributed Systems
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3 Pragmatic Principles for Idempotency in Distributed Systems

#career #distributedsystems #idempotency #architecture
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1 min read
Blue/Green vs. Rolling Deploy: Risk and Cost Analysis
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Blue/Green vs. Rolling Deploy: Risk and Cost Analysis

#career #deployment #devops #architecture
1
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7 min read
Distributed Lock Alternatives: 3 Methods Every System Architect
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Distributed Lock Alternatives: 3 Methods Every System Architect

#career #distributedsystems #concurrency #locking
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9 min read
BGP Route Flap Solutions: Why Are They Often Insufficient?
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BGP Route Flap Solutions: Why Are They Often Insufficient?

#career #network #bgp #routing
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9 min read
RED and USE Metrics: Which is More Effective for System Monitoring?
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RED and USE Metrics: Which is More Effective for System Monitoring?

#redmetrics #usemetrics #sistemizleme #monitoring
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10 min read
Improving RAG Retrieval Quality: A Cost-Benefit Analysis
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Improving RAG Retrieval Quality: A Cost-Benefit Analysis

#rag #ai #retrieval #llm
1
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9 min read
An Engineer's Sustainability Ledger: Why I Run on Less
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An Engineer's Sustainability Ledger: Why I Run on Less

#life #sustainability #selfhosting #engineeringethics
1
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5 min read
From the Perspective of a 20-Year Architect: My Own System's Security
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From the Perspective of a 20-Year Architect: My Own System's Security

#career #security #systemadmin #network
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10 min read
Security Patch on My Own VPS: Hours Stolen from a Client Project
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Security Patch on My Own VPS: Hours Stolen from a Client Project

#career #security #vps #linux
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2 min read
The Idempotency Nightmare in AI Pipelines: Data Loss and Recovery
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The Idempotency Nightmare in AI Pipelines: Data Loss and Recovery

#life #ai #pipeline #idempotency
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7 min read
The Mysterious Quirk of the AI Pipeline: Sunday Morning Debugging
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The Mysterious Quirk of the AI Pipeline: Sunday Morning Debugging

#life #ai #debugging #pipeline
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7 min read
Data Integrity in AI-Powered Content Pipelines: Practical Approaches
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Data Integrity in AI-Powered Content Pipelines: Practical Approaches

#ai #dataintegrity #pipeline #dataengineering
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4 min read
7.6 GB VPS Swap Fire with Docker: A Kernel Patch Nightmare
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7.6 GB VPS Swap Fire with Docker: A Kernel Patch Nightmare

#tutorials #docker #vps #linux
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8 min read
Retries and Idempotency in AI Pipelines: A Guide to Error Handling
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Retries and Idempotency in AI Pipelines: A Guide to Error Handling

#ai #pipeline #retries #idempotency
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10 min read
My Docker Containers Aren't Communicating: Hidden Network Traps
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My Docker Containers Aren't Communicating: Hidden Network Traps

#docker #networking #containers #troubleshooting
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1 min read
AI's Silent Mistakes: Hours Lost in My Side Project
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AI's Silent Mistakes: Hours Lost in My Side Project

#life #ai #promptengineering #rag
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7 min read
Side Project Graveyard: When Should You Pull the Plug?
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Side Project Graveyard: When Should You Pull the Plug?

#sideprojects #productivity #devops #servermanagement
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6 min read
Swap Fire: My Kubernetes Experiment on a 7.6 GB VPS
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Swap Fire: My Kubernetes Experiment on a 7.6 GB VPS

#kubernetes #vps #swap #linux
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8 min read
Swap Fire on My VPS: A Nightmare That Started with a Kernel CVE Patch
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Swap Fire on My VPS: A Nightmare That Started with a Kernel CVE Patch

#life #vps #swap #kernel
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7 min read
The Silent Death of the System: OOM Killer and My VPS Journey
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The Silent Death of the System: OOM Killer and My VPS Journey

#technology #systemadmin #vps #linux
1
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9 min read
Docker Deploy on VPS: Nginx Strategies for Zero Downtime
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Docker Deploy on VPS: Nginx Strategies for Zero Downtime

#tutorials #docker #nginx #devops
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5 min read
Docker Container Network Traffic: Monitoring and Optimization on My
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Docker Container Network Traffic: Monitoring and Optimization on My

#tutorials #docker #network #vps
2
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4 min read
Guide to Detecting and Limiting Resource-Hog Containers on a VPS
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Guide to Detecting and Limiting Resource-Hog Containers on a VPS

#docker #container #vps #linux
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11 min read
Moving My GitHub Actions Runner to My Own VPS
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Moving My GitHub Actions Runner to My Own VPS

#githubactions #selfhostedrunner #vps #cicd
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4 min read
When Systems Aren't 'Up' in Consulting: Eroding Customer Trust
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When Systems Aren't 'Up' in Consulting: Eroding Customer Trust

#career #consulting #systemreliability #customertrust
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4 min read
Why Are My Docker Containers Slow? A Monitoring Guide for My Own VPS
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Why Are My Docker Containers Slow? A Monitoring Guide for My Own VPS

#tutorials #docker #vps #systemd
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7 min read
Living on My Own Server: The Invisible Cost of Side Projects
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Living on My Own Server: The Invisible Cost of Side Projects

#life #selfhosting #sideprojects #devops
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8 min read
Living on My Own Server: An Indie Hacker's Work-Life Balance
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Living on My Own Server: An Indie Hacker's Work-Life Balance

#life #indiehacker #worklifebalance #selfhosting
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4 min read
Overlooked Errors in My AI Content Pipeline: The Importance of
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Overlooked Errors in My AI Content Pipeline: The Importance of

#technology
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5 min read
My Systems' Silent Alarm: My Mind Awake Even While I Sleep
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My Systems' Silent Alarm: My Mind Awake Even While I Sleep

#life #sistem #monitoring #operasyon
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5 min read
Swap Fire on My 7.6GB VPS: A Nightmare That Started with a Kernel
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Swap Fire on My 7.6GB VPS: A Nightmare That Started with a Kernel

#life #vps #linux #kernel
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4 min read
Docker Disk Fire: Root Cause Analysis on My 7.6 GB VPS
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Docker Disk Fire: Root Cause Analysis on My 7.6 GB VPS

#docker #vps #diskmanagement #systemadmin
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5 min read
Securely Deploying an SQLite Database to a Docker Container with
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Securely Deploying an SQLite Database to a Docker Container with

#tutorials #githubactions #docker #sqlite
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2 min read
Docker Volume Backup Strategies on My Own VPS
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Docker Volume Backup Strategies on My Own VPS

#docker #backup #volume #vps
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11 min read
Your App is 'Up' But Not Working: Docker Healthchecks
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Your App is 'Up' But Not Working: Docker Healthchecks

#docker #healthcheck #systemadministration #devops
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6 min read
SQLite and Concurrency: The Lockout Experienced at islistesi.com
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SQLite and Concurrency: The Lockout Experienced at islistesi.com

#technology #sqlite #concurrency #database
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2 min read
A New Article Topic Proposal
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A New Article Topic Proposal

#tutorials
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1 min read
My Server's Crisis Moment: An Alert During Family Dinner
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My Server's Crisis Moment: An Alert During Family Dinner

#life #systemadmin #incidentresponse
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4 min read
Quota Fail-Over Discipline in Multi-Provider AI Architecture
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Quota Fail-Over Discipline in Multi-Provider AI Architecture

#ai #architecture #multiprovider #fallback
1
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8 min read
Three Wrong AD Tier Model Assumptions: 8 Months in the Field
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Three Wrong AD Tier Model Assumptions: 8 Months in the Field

#security #activedirectory #identity #operations
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6 min read
Guide to Automatic SSL Certificate Renewal for Nginx and Docker
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Guide to Automatic SSL Certificate Renewal for Nginx and Docker

#nginx #docker #ssl #letsencrypt
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6 min read
Nginx Reverse Proxy: Managing Multiple Docker Services on a Single VPS
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Nginx Reverse Proxy: Managing Multiple Docker Services on a Single VPS

#nginx #docker #vps #reverseproxy
3
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8 min read
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