Quick-reference command and concept guides for daily backend engineering work.
Go context.Context: constructors, cancellation, deadlines, request values, and five goroutine leak patterns in production.
Kafka producer configuration: acks, idempotence, batching, compression, and the tradeoffs that matter for throughput and durability.
Postgres EXPLAIN plans: node types, cost interpretation, and six patterns that kill query performance on large datasets.
Definitive kubectl reference: pod debugging, deployments, StatefulSets, RBAC, scheduling, Helm, and production troubleshooting flowcharts.
Docker reference: container lifecycle, image management, volumes, networking, and debugging tools for production systems.
60+ Linux commands for production debugging: processes, networking, kernel tuning, and the gotchas that trip up engineers.
Production Git reference: core workflow, branching, history rewriting, recovery, and advanced operations compressed into lookup tables.