DevOps
GitHub Actions for production-grade reposDesign workflows that lint, test, scan, and promote artifacts without turning YAML into an unmaintained maze.
IntermediateHybrid evenings (GMT+9)Platform reliability
₩1,180,000
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Courses with filters that match how you buy
Level, duration, format, certification style, career track, and price bands—all in one grid. Every price is informational until an invoice confirms your seat.
Cloud
Containers from fundamentals to hand-offImage hygiene, runtime limits, and observability hooks so workloads survive the jump from laptop to cluster.
Beginner+Live onlineCloud foundations
₩920,000
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DevOps
Kubernetes day-two operationsUpgrade paths, etcd hygiene, and failure drills for clusters that already serve traffic.
AdvancedWeekend intensivesPlatform reliability
₩1,680,000
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Cloud
Terraform for disciplined multi-account AWSModules, workspaces, and policy tests that keep IaC readable when accounts multiply.
IntermediateHybrid evenings (GMT+9)Cloud architecture
₩1,420,000
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DevOps
Observability with OpenTelemetryTraces, metrics, and logs that align with on-call reality—not demo toy graphs.
IntermediateLive onlineReliability engineering
₩1,100,000
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Security
Secure CI/CD with policy gatesShift-left controls that security teams accept and developers do not bypass silently.
AdvancedHybrid evenings (GMT+9)Security engineering
₩1,350,000
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Product
Release trains and feature flagsCoordinate many teams without freezing main for weeks or hiding risk behind toggles.
IntermediateLive onlineDelivery leadership
₩780,000
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Cloud
Cloud networking for platform squadsVPC design, private connectivity, and observability for cross-region services.
AdvancedWeekend intensivesCloud architecture
₩1,500,000
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Data
Postgres reliability labBackups, replication lag, and vacuum planning for teams who inherited “the important database.”
IntermediateHybrid evenings (GMT+9)Data platform
₩1,040,000
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QA
Automated testing inside delivery pipelinesFlake management, contract tests, and deployment gates that keep trust high.
Beginner+Live onlineQuality engineering
₩890,000
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Product
Internal developer portals that teams adoptBackstage-style catalogs, templates, and scorecards that reduce tribal knowledge.
IntermediateHybrid evenings (GMT+9)Developer experience
₩1,280,000
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DevOps
Incident command for engineersRoles, comms cadence, and technical pivots when pages wake you at 03:00.
Beginner+Weekend intensivesOperations leadership
₩720,000
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