Merge pull request #12 from dung13890/generate_project

Update setting config once

README.md

@@ -14,7 +14,7 @@ USAGE:
    go-base-gen [global options] command [command options] [arguments...]
 
 VERSION:
-   v1.0.6
+   v1.0.8
 
 COMMANDS:
    project  Generate base code for go project use clean architecture
@@ -95,14 +95,14 @@ make dev
 │   ├── app
 │   ├── constants
 │   ├── domain
-│   │   └── auth
-│   │       ├── delivery
-│   │       ├── repository
-│   │       └── usecase
 │   ├── impl
 │   │   ├── pubsub
 │   │   └── service
 │   ├── modules
+│   │   └── auth
+│   │   │   ├── delivery
+│   │   │   ├── repository
+│   │   │   └── usecase
 │   └── registry
 └── pkg
 ```

docker-compose.yml

@@ -13,8 +13,8 @@ services:
     stdin_open: true
     tty: true
     volumes:
-      - ./:/var/www/app
-    working_dir: /var/www/app
+      - ./:/go/src/app
+    working_dir: /go/src/app
 networks:
   go-app-net:
     driver: bridge

docker/Dockerfile

@@ -5,7 +5,7 @@ FROM golang:1.20.3-alpine3.16 as base
 RUN apk update && apk upgrade && \
     apk add --no-cache gcc musl-dev make git bash openssh
 
-WORKDIR /var/www/app
+WORKDIR /go/src/app
 
 COPY go.mod go.sum ./
 RUN go mod download

main.go

@@ -9,7 +9,7 @@ import (
 )
 
 var (
-	version string = "v1.0.6"
+	version string = "v1.0.8"
 )
 
 func main() {

template/tmpl/config/app.go.tmpl

@@ -6,12 +6,19 @@ Mit License (MIT)
 {{define "config/app.go"}}package config
 
 import (
+	"sync"
+
 	"{{.Project}}/pkg/errors"
 	"{{.Project}}/pkg/logger"
 
 	"github.com/spf13/viper"
 )
 
+var (
+	once    sync.Once
+	appConf AppConfig
+)
+
 // AppConfig App Common
 type AppConfig struct {
 	App           string `mapstructure:"APP_ENV"`
@@ -34,11 +41,12 @@ func LoadConfig() error {
 
 // GetAppConfig Unmarshal App Config from env
 func GetAppConfig() AppConfig {
-	c := AppConfig{}
-	if err := viper.Unmarshal(&c); err != nil {
-		logger.Error().Fatal(err)
-	}
+	once.Do(func() {
+		if err := viper.Unmarshal(&appConf); err != nil {
+			logger.Error().Fatal(err)
+		}
+	})
 
-	return c
+	return appConf
 }
 {{end}}

template/tmpl/config/database.go.tmpl

@@ -6,11 +6,18 @@ Mit License (MIT)
 {{define "config/database.go"}}package config
 
 import (
+	"sync"
+
 	"{{.Project}}/pkg/logger"
 
 	"github.com/spf13/viper"
 )
 
+var (
+	onceDB sync.Once
+	dbConf Database
+)
+
 // Database config struct
 type Database struct {
 	Connection string `mapstructure:"DB_CONNECTION"`
@@ -25,11 +32,12 @@ type Database struct {
 
 // GetDBConfig Unmarshal Database Config from env
 func GetDBConfig() Database {
-	c := Database{}
-	if err := viper.Unmarshal(&c); err != nil {
-		logger.Error().Fatal(err)
-	}
+	onceDB.Do(func() {
+		if err := viper.Unmarshal(&dbConf); err != nil {
+			logger.Error().Fatal(err)
+		}
+	})
 
-	return c
+	return dbConf
 }
 {{end}}

template/tmpl/config/redis.go.tmpl

@@ -6,11 +6,18 @@ Mit License (MIT)
 {{define "config/redis.go"}}package config
 
 import (
+	"sync"
+
 	"{{.Project}}/pkg/logger"
 
 	"github.com/spf13/viper"
 )
 
+var (
+	onceRedis sync.Once
+	redisConf Redis
+)
+
 // Redis config struct
 type Redis struct {
 	Host     string `mapstructure:"REDIS_HOST"`
@@ -20,11 +27,13 @@ type Redis struct {
 
 // GetRedisConfig Unmarshal Redis Config from env
 func GetRedisConfig() Redis {
-	c := Redis{}
-	if err := viper.Unmarshal(&c); err != nil {
-		logger.Error().Fatal(err)
-	}
+	onceRedis.Do(func() {
+		if err := viper.Unmarshal(&redisConf); err != nil {
+			logger.Error().Fatal(err)
+		}
+	})
 
-	return c
+	return redisConf
 }
+
 {{end}}