A practical breakdown of ten common DevOps mistakes made by early-career engineers at startups, covering deploying without understanding systems, testing in production, hardcoding secrets, overengineering, missing observability, neglecting security, manual deployments, lack of disaster recovery, missing documentation, and solving the wrong problems. Each mistake includes a real-world scenario, business impact, and concrete fixes with AWS-focused code examples. Concludes with a production readiness checklist covering infrastructure, security, observability, reliability, and documentation.
Table of contents
Table of ContentsWho This Article Is ForWhy Startups Are a Different EnvironmentMistake 1: Deploying Without Understanding What You're DeployingMistake 2: Using Production as a Development EnvironmentMistake 3: Hardcoding Secrets and CredentialsThe FixMistake 4: Overengineering for Problems You Don't Have YetMistake 5: No Observability Before LaunchMistake 6: Treating Security as a Final StepMistake 7: Manual Deployments in ProductionMistake 8: No Disaster Recovery PlanMistake 9: No Documentation or RunbooksMistake 10: Solving Technical Problems Without Understanding the BusinessThe System Thinking Framework Every DevOps Engineer NeedsYour Production Readiness ChecklistConclusionWant to Go Deeper?2.4K Impressions