Backend Master Class -golang Postgres Kuber...-transfer Large Files Securely New! Free May 2026

import ( “database/sql” “encoding/json” “fmt” “io” “log” “net/http”

Golang, also known as Go, is a modern programming language that’s well-suited for building scalable and concurrent systems. Its built-in features, such as goroutines and channels, make it easy to write efficient and concurrent code. In this article, we’ll use Golang to build a secure large file transfer system. s known for its reliability

Postgres is a popular open-source relational database that’s known for its reliability, scalability, and ability to handle large volumes of data. We’ll use Postgres to store file metadata, such as file names, sizes, and checksums. such as file names

row := db.QueryRow(“SELECT name, size, checksum FROM files WHERE fileID) var fileName string var and checksums. row := db.QueryRow(&ldquo

http.Error(w, err.Error(), http.StatusInternalServerError) return }

http.Error(w, err.Error(), http.StatusInternalServerError) return } defer db.Close()

Code Copy Code Copied // Store the file metadata in Postgres db, err := sql.Open(“postgres”, “user:password@localhost/database”) if err != nil {