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go-echo-sql-sample

To run the application

go run main.go

Architecture

Simple Layer Architecture

Layer Architecture

Layer Architecture with full features

Layer Architecture with standard features: config, health check, logging, middleware log tracing

API Design

Common HTTP methods

  • GET: retrieve a representation of the resource
  • POST: create a new resource
  • PUT: update the resource
  • PATCH: perform a partial update of a resource, refer to core-go/core and core-go/sql
  • DELETE: delete a resource

API design for health check

To check if the service is available.

Request: GET /health

Response:

{ "status": "UP", "details": { "sql": { "status": "UP" } } }

API design for users

Resource: users

Get all users

Request: GET /users

Response:

[ { "id": "spiderman", "username": "peter.parker", "email": "peter.parker@gmail.com", "phone": "0987654321", "dateOfBirth": "1962-08-25T16:59:59.999Z" }, { "id": "wolverine", "username": "james.howlett", "email": "james.howlett@gmail.com", "phone": "0987654321", "dateOfBirth": "1974-11-16T16:59:59.999Z" } ]

Get one user by id

Request: GET /users/:id

GET /users/wolverine

Response:

{ "id": "wolverine", "username": "james.howlett", "email": "james.howlett@gmail.com", "phone": "0987654321", "dateOfBirth": "1974-11-16T16:59:59.999Z" }

Create a new user

Request: POST /users

{ "id": "wolverine", "username": "james.howlett", "email": "james.howlett@gmail.com", "phone": "0987654321", "dateOfBirth": "1974-11-16T16:59:59.999Z" }

Response: 1: success, 0: duplicate key, -1: error

1

Update one user by id

Request: PUT /users/:id

PUT /users/wolverine
{ "username": "james.howlett", "email": "james.howlett@gmail.com", "phone": "0987654321", "dateOfBirth": "1974-11-16T16:59:59.999Z" }

Response: 1: success, 0: not found, -1: error

1

Patch one user by id

Perform a partial update of user. For example, if you want to update 2 fields: email and phone, you can send the request body of below.

Request: PATCH /users/:id

PATCH /users/wolverine
{ "email": "james.howlett@gmail.com", "phone": "0987654321" }

Response: 1: success, 0: not found, -1: error

1

Delete a new user by id

Request: DELETE /users/:id

DELETE /users/wolverine

Response: 1: success, 0: not found, -1: error

1

Common libraries

core-go/health

To check if the service is available, refer to core-go/health

Request: GET /health

Response:

{ "status": "UP", "details": { "sql": { "status": "UP" } } }

To create health checker, and health handler

 db, err := sql.Open(cfg.Driver, cfg.DataSourceName) if err != nil { return nil, err } sqlChecker := s.NewSqlHealthChecker(db) healthHandler := health.NewHealthHandler(sqlChecker)

core-go/config

To load the config from "config.yml", in "configs" folder

package main import "github.com/core-go/config" type Config struct { DB DatabaseConfig `mapstructure:"db"` } type DatabaseConfig struct { Driver string `mapstructure:"driver"` DataSourceName string `mapstructure:"data_source_name"` } func main() { var cfg Config err := config.Load(&cfg, "configs/config") if err != nil { panic(err) } }

To configure to ignore the health check, use "skips":

middleware: skips: /health

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