go_rest_api

Simple REST API built on Go native libraries.
Step by step guid for presentation purposes

Hello World

---

• Create Go Application with go mod init command.
• Create main.go file with echo package main > main.go.
• Write main function in main.go

  func main() {

  }

• print "Hello World"
• go build
• go run .

HTTP Server

---

• a little research about Go net/http
• Add http listener

  http.ListenAndServe(":3000", nil)

• add logger
• error

  listen tcp :3000: bind: address already in use

• kill listener

  kill -9 $(lsof -ti:3000)

Handler

---

• one more little research Go http/Handler
• add handler
• return Hello World

Model and JSON

---

• one more little research Go json/encoder
• movie model
• encode movie model to json
• Content-Type application/json
• add "server http" log

Path and http method GET

---

• two more little research REST API / http/Handle
• add address pattern and switch methods

HTTP method Post

---

• one more little research json/decoder
• add post method
• ref
• movie DB

Refactor

---

• one more little research QuaryParams
• ref Get
• ref Post
• ref Delete