Go Roadmap

Advanced Go programming topics.

26 stages · 104 topics 0% done
Go
✓ Goroutine Scheduling (M:N)
✓ Channel Types & Directions
✓ Foundations
✓ Select Statement & Multiplexing
✓ Fan-Out / Fan-In Patterns
✓ Core Concepts
✓ Context Package & Cancellation
✓ sync.Pool & Object Reuse
✓ Worker Pool (Pipeline)
✓ errgroup for Error Handling
✓ Intermediate Skills
✓ Interface Satisfaction (Duck Typing)
✓ Empty Interface (any) & Type Assertions
✓ Advanced Topics
✓ Type Switches
✓ Interface Embedding
✓ Generics in Go 1.18+
✓ Type Constraints & ~ Operator
✓ Expert Level
✓ Constraints Package (comparable, ordered)
✓ Go Memory Model (happens-before)
✓ Mastery
✓ Stack vs Heap Allocation (Escape Analysis)
✓ GC: Non-Generational Concurrent Mark-Sweep
✓ GC Tuning (GOGC, GOMEMLIMIT)
✓ Memory Profiling (pprof)
✓ Ecosystem
✓ Compiler Alloc Optimizations
✓ Goroutine Stack Growth
✓ Architecture
✓ reflect.Type & reflect.Value
✓ Modifying Values via Reflection
✓ Reflective Struct Tag Parsing
✓ Creating Functions at Runtime
✓ Optimization
✓ Deep Equal Implementation
✓ Performance Cost of Reflection
✓ Deployment
✓ Flect Library for Reflection
✓ Table-Driven Tests
✓ Subtests & Parallel Execution
✓ Test Fixtures (TestMain)
✓ Phase 11
✓ Fuzzing (Go 1.18+)
✓ Benchmarking & Profiling
✓ Phase 12
✓ Mocking Interfaces with Testify
✓ Integration Testing with httptest
✓ Mutex vs RWMutex
✓ Atomic Operations (sync/atomic)
✓ Phase 13
✓ Once for Lazy Initialization
✓ Cond for Event Signaling
✓ Phase 14
✓ Semaphore Pattern (Weighted)
✓ Pipeline & Chain Patterns
✓ Parallel MapReduce in Go
✓ CPU & Memory Profiling (pprof)
✓ Phase 15
✓ Tracing with go tool trace
✓ Escape Analysis & Allocation Reduction
✓ Phase 16
✓ Compiler Optimizations (inlining, bounds check elimination)
✓ Benchmark Best Practices (benchmem)
✓ Weapon of Mass Destruction: sync.Pool Explained
✓ Profiling gRPC & HTTP Services
✓ Phase 17
✓ Module Path & Versioning
✓ Go Sum & Checksum Database
✓ Phase 18
✓ Workspace Mode (Go 1.18+)
✓ Replacing Dependencies (replace directive)
✓ Vendor Mode
✓ Minimal Version Selection (MVS)
✓ Phase 19
✓ Retract & Deprecation Directives
✓ unsafe.Pointer & ArbitraryType
✓ Phase 20
✓ Sizeof, Alignof, Offsetof
✓ Pointer Arithmetic
✓ String to Byte Slice Conversion (no copy)
✓ Slice Header Manipulation
✓ Phase 21
✓ unsafe.Slice & unsafe.String (Go 1.20+)
✓ Safety Rules for unsafe.Pointer
✓ Phase 22
✓ net/http Handler Internals
✓ HTTP Client Connection Pooling
✓ gRPC Streams vs Unary
✓ WebSocket (gorilla/websocket)
✓ Phase 23
✓ TCP Server with net.Dialer
✓ UDP & Multicast in Go
✓ Phase 24
✓ TLS Certificate Pinning
✓ JSON Encoding Tags & MarshalJSON
✓ Custom Marshaler/Unmarshaler
✓ Protocol Buffers (protobuf)
✓ Phase 25
✓ MessagePack (msgpack)
✓ Gob Encoding
✓ Phase 26
✓ Binary Encoding (binary package)
✓ Schema Evolution & Compatibility
Text version of this roadmap

1. Foundations

  • Goroutine Scheduling (M:N)
  • Channel Types & Directions
  • Select Statement & Multiplexing

2. Core Concepts

  • Fan-Out / Fan-In Patterns: Various goroutines & channels patterns emerge when working with fan-out / fan-in patterns in Go. These patterns provide reusable solutions to common programming challenges.
  • Context Package & Cancellation
  • sync.Pool & Object Reuse

3. Intermediate Skills

  • Worker Pool (Pipeline)
  • errgroup for Error Handling
  • Interface Satisfaction (Duck Typing)

4. Advanced Topics

  • Empty Interface (any) & Type Assertions
  • Type Switches
  • Interface Embedding

5. Expert Level

  • Generics in Go 1.18+
  • Type Constraints & ~ Operator
  • Constraints Package (comparable, ordered)

6. Mastery

  • Go Memory Model (happens-before)
  • Stack vs Heap Allocation (Escape Analysis)
  • GC: Non-Generational Concurrent Mark-Sweep

7. Ecosystem

  • GC Tuning (GOGC, GOMEMLIMIT)
  • Memory Profiling (pprof)
  • Compiler Alloc Optimizations

8. Architecture

  • Goroutine Stack Growth
  • reflect.Type & reflect.Value
  • Modifying Values via Reflection

9. Optimization

  • Reflective Struct Tag Parsing
  • Creating Functions at Runtime
  • Deep Equal Implementation: The deep equal implementation pattern in Go provides a structured approach to handling Reflection. Understanding the implementation details helps write more robust and maintainable code.

10. Deployment

  • Performance Cost of Reflection: Performance considerations for performance cost of reflection in Go significantly impact application behavior. Understanding optimization strategies helps avoid common pitfalls and improve runtime characteristics.
  • Flect Library for Reflection
  • Table-Driven Tests

11. Phase 11

  • Subtests & Parallel Execution
  • Test Fixtures (TestMain)
  • Fuzzing (Go 1.18+)

12. Phase 12

  • Benchmarking & Profiling
  • Mocking Interfaces with Testify
  • Integration Testing with httptest

13. Phase 13

  • Mutex vs RWMutex
  • Atomic Operations (sync/atomic)
  • Once for Lazy Initialization

14. Phase 14

  • Cond for Event Signaling
  • Semaphore Pattern (Weighted)
  • Pipeline & Chain Patterns: Various concurrency patterns patterns emerge when working with pipeline & chain patterns in Go. These patterns provide reusable solutions to common programming challenges.

15. Phase 15

  • Parallel MapReduce in Go
  • CPU & Memory Profiling (pprof)
  • Tracing with go tool trace

16. Phase 16

  • Escape Analysis & Allocation Reduction
  • Compiler Optimizations (inlining, bounds check elimination)
  • Benchmark Best Practices (benchmem)

17. Phase 17

  • Weapon of Mass Destruction: sync.Pool Explained
  • Profiling gRPC & HTTP Services
  • Module Path & Versioning

18. Phase 18

  • Go Sum & Checksum Database
  • Workspace Mode (Go 1.18+)
  • Replacing Dependencies (replace directive)

19. Phase 19

  • Vendor Mode
  • Minimal Version Selection (MVS)
  • Retract & Deprecation Directives

20. Phase 20

  • unsafe.Pointer & ArbitraryType
  • Sizeof, Alignof, Offsetof
  • Pointer Arithmetic

21. Phase 21

  • String to Byte Slice Conversion (no copy)
  • Slice Header Manipulation
  • unsafe.Slice & unsafe.String (Go 1.20+)

22. Phase 22

  • Safety Rules for unsafe.Pointer
  • net/http Handler Internals: The internal architecture of net/http handler internals in Go reveals how the runtime handles Networking. This knowledge enables more informed design decisions and debugging.
  • HTTP Client Connection Pooling

23. Phase 23

  • gRPC Streams vs Unary
  • WebSocket (gorilla/websocket)
  • TCP Server with net.Dialer

24. Phase 24

  • UDP & Multicast in Go
  • TLS Certificate Pinning
  • JSON Encoding Tags & MarshalJSON

25. Phase 25

  • Custom Marshaler/Unmarshaler
  • Protocol Buffers (protobuf)
  • MessagePack (msgpack)

26. Phase 26

  • Gob Encoding
  • Binary Encoding (binary package)
  • Schema Evolution & Compatibility