Go language tutorials, patterns, and best practices
104 posts
Modern distributed systems demand strict contract enforcement. While REST has its place, JSON-RPC offers a lightweight, efficient alternative for inter-service communication, particularly in microservices architectures. However, raw RPC calls can be dangerous without validation. This post explore...
In the world of Go programming, memory allocation is generally fast, but under high-concurrency loads, the pressure on the garbage collector can become a significant bottleneck. For developers building high-throughput systems—such as real-time analytics engines, financial trading platforms, or hi...
Since Go 1.11, the language has moved away from the restrictive GOPATH-based dependency management toward a more robust, standard-compliant system using Go modules. For individual projects, go.mod files are straightforward. However, as applications grow in complexity—especially microservices arch...
Testing is not merely a checkbox in the development lifecycle; it is the backbone of reliable software. In the Go ecosystem, testing is first-class citizen. The testing package is built into the standard library, encouraging developers to write tests alongside their code. However, as your codebas...
In many traditional programming languages, exceptions provide a powerful mechanism for handling errors by unwinding the stack and transferring control to a specific catch block. However, Go takes a different philosophical approach. It embraces explicit error handling through the return of error v...
The introduction of generics in Go 1.18 marked a pivotal moment in the language's evolution. For years, Go developers relied on interfaces, reflection, and code generation to achieve type flexibility, often at the cost of boilerplate and runtime performance. Generics provide a first-class mechani...
In the modern landscape of distributed systems, performance and efficiency are non-negotiable. As applications grow, the communication overhead between services can become a significant bottleneck. This is where gRPC shines. By leveraging Protocol Buffers (Protobuf) as the Interface Definition La...