cmd/ entry point

internal/ for all packages

Handler layer separated

Service layer with interfaces

Repository layer

Domain types package

Domain error types

Centralized writeError

Config from environment

Makefile

Tests alongside source

Table-driven tests

go.mod

.gitignore

Middleware registered

Graceful shutdown

cmd/ entry point

internal/ for all app code

Handler package with struct

Service layer with repository interfaces

Repository layer

Domain package with models

Domain error types defined

Centralized error response

Config from environment with defaults

Makefile with build and test

Tests alongside source code

Table-driven tests

go.mod present

.gitignore for Go

Graceful shutdown

HTTP server timeouts

cmd/server/main.go entry point

internal/ directory used

Handler layer separated

Service layer with interface

Repository layer separated

Domain models in own package

Domain error types

Config from environment

go.mod with module path

Makefile with standard targets

Test files alongside source

Table-driven tests

.gitignore for Go

Constructor-based DI in main.go

Graceful shutdown

cmd/ entry point with constructor DI

internal/ directory for all packages

Handler layer with route registration

Service layer defines repository interface

Repository implements interface

Domain models with constants

Domain error types

Config from environment

Comprehensive Makefile

Service test file alongside source

Handler test file alongside source

Table-driven tests with multiple cases

go.mod present

.gitignore

Graceful shutdown

cmd/ entry point with DI wiring

internal/ for application code

Handler layer with route registration

Service layer with UserRepository interface

Repository layer with SQL

Domain models without password leak

Domain error types

Config from environment -- JWT secret not hardcoded

Makefile with targets

Tests alongside source code

Table-driven tests for auth logic

go.mod present

.gitignore

Graceful shutdown in main