comoCriarRestApi/

README

Como criar uma REST API completa do zero com GO

Golang tutorial - iniciante

https://www.youtube.com/watch?v=3p4mpId_ZU8

Prereq

• Golang extension for VSCode

Go (v0.42.0): Go Team at Google

Rich Go language support for Visual Studio Code

Starting the project

go mod init go-api

mkdir cmd
touch cmd/main.go

• main.go

go get github.com/gin-gonic/gin

• main.go

go run cmd/main.go

• (1) test.http

Dockerizing Postgres

• docker-compose.yaml

docker compose up -d go_db

DBeaver

sudo snap install dbeaver-ce

Connect to Postgres and create a table:

create table product (
  id SERIAL primary key,
  product_name VARCHAR(50) not null,
  price NUMERIC(10, 2) not NULL
);

Try to access the table:

select * from product;

Inserting some values:

insert into product(product_name, price) values('Sushi', 100);

Try again to access the table:

select * from product;

Creating "/products" route

mkdir model
touch model/product.go

• product.go

mkdir controller
touch controller/product_controller.go

• product_controller.go

• main.go

go run cmd/main.go

• (2) test.http

...

I'm in 17:37

...