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Infrastructure Development with Go

From DevOps engineer to infrastructure developer. Build CLI tools, API clients, concurrent services, networking utilities, container internals, Kubernetes controllers, and algorithm practice.

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Modules and milestones

Follow the path in order, then use practice tools when review comes due.

Track 0

Fundamentals Through Infra

Module 00 Reference & Setup Go toolchain, project layout, editor setup, and quick reference. Your cheat sheet for the course.

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Module 01 Data Manipulation Bootcamp Slice logs, parse metric labels, count 5xx responses, deduplicate IPs, and practice the data-manipulation loops used in operational tools.

Not started 9 warmups / 5 challenges

Module 02 Pointers, Structs & Interfaces Pointers and nil, model real infrastructure with structs, compose with embedding, and design small interfaces the Go way.

Not started 7 warmups / 5 challenges

Module 03 Errors, Testing & Confidence Error wrapping, sentinel errors, table-driven tests. You test everything from here on.

Not started 6 warmups / 6 challenges

Track 1

CLI & API Tools

Module 04 CLI Design & Config Parsing Build real CLI tools with Cobra. Parse YAML, JSON, and TOML configs. Validate and lint.

Not started 4 warmups / 3 challenges

Module 05 HTTP Clients & API Integration Talk to APIs, handle auth, paginate results. Build tools that query cloud providers.

Not started 3 warmups / 2 challenges

Track 2

Concurrency

Module 06 Goroutines & Channels Launch concurrent work, collect results, and coordinate goroutines with WaitGroups.

Not started 3 warmups / 2 challenges

Module 07 Concurrency Patterns Fan-out/fan-in, worker pools, rate limiting, select. Context, cancellation, graceful shutdown.

Not started 4 warmups / 2 challenges

Track 3

Networking & Infrastructure

Module 08 HTTP Servers & Middleware Build APIs, not just consume them. Routing, middleware chains, health endpoints, structured logging.

Not started 3 warmups / 2 challenges

Module 09 Networking & Protocols TCP/UDP from scratch, DNS wire format, gRPC and protobuf. Understand the network layer.

Not started 3 warmups / 2 challenges

Module 10 Container Internals Namespaces, cgroups, pivot_root, and process isolation from Go.

Not started 2 warmups / 1 challenges

Module 11 Kubernetes from Go client-go, informers, reconciliation loops. Build an operator that watches custom resources.

Not started 2 warmups / 1 challenges

Track 4

Algorithms & Source Reading

Module 12 Algorithm Patterns Hash maps, two pointers, sliding window, binary search, stacks. Infra-themed problems, interview-ready patterns.

Not started 5 warmups / 2 challenges

Module 13 Reading & Contributing to Open Source Navigate K8s, Terraform, Prometheus codebases. Find good-first-issues. Make a real contribution.

Not started Reference module

Milestones

Projects

Project P1 Config Linter Build a CLI that reads K8s and Terraform YAML, validates against rules, and reports violations. Applies Modules 1-4.

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Project P2 Cloud Resource Reporter Query cloud APIs, aggregate resource data, output formatted reports. Applies Modules 1-5.

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Project P3 DNS Server Build a DNS server from scratch. Parse binary DNS packets, resolve queries, handle concurrent requests. Applies Modules 6-9.

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Project P4 Mini Container Runtime Build a minimal container runtime using Linux namespaces and cgroups. Run isolated processes with resource limits. Applies Module 10.

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Project P5 K8s Operator Build a Kubernetes operator that watches a custom resource and reconciles desired state. Applies Module 11.

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