feat: add config

config-dev.toml

@@ -0,0 +1,17 @@
+[context]
+timeout = 2
+
+[aws]
+accessKeyID = "YOUR_ACCESS_KEY"
+secretKey = "YOUR_SECRET_KEY"
+region = "ap-northeast-2"
+
+[aws.dynamoDB.Room]
+tableName = "room-dev"
+readCapacityUnits = 1
+writeCapacityUnits = 1
+
+[aws.dynamoDB.Chat]
+tableName = "chat-dev"
+readCapacityUnits = 1
+writeCapacityUnits = 1

config.toml

@@ -0,0 +1,17 @@
+[context]
+timeout = 2
+
+[aws]
+accessKeyID = "YOUR_ACCESS_KEY"
+secretKey = "YOUR_SECRET_KEY"
+region = "ap-northeast-2"
+
+[aws.dynamoDB.Room]
+tableName = "room-dev"
+readCapacityUnits = 1
+writeCapacityUnits = 1
+
+[aws.dynamoDB.Chat]
+tableName = "chat-dev"
+readCapacityUnits = 1
+writeCapacityUnits = 1

config/config.go

@@ -0,0 +1,77 @@
+package config
+
+import (
+	"fmt"
+	"github.com/spf13/viper"
+	"log"
+	"strings"
+)
+
+type ServerInfo struct {
+	Port int64
+}
+
+type Context struct {
+	Timeout int
+}
+
+type LogInfo struct {
+	Level string
+}
+
+type PhaseInfo struct {
+	Level string
+}
+
+type AWSInfo struct {
+	Region      string   `mapstructure:"region"`
+	AccessKeyID string   `mapstructure:"accessKeyID"`
+	SecretKey   string   `mapstructure:"secretKey"`
+	Dynamo      DynamoDB `mapstructure:"dynamoDB"`
+}
+
+type DynamoDB struct {
+	Room DynamoInfo `mapstructure:"room"`
+	Chat DynamoInfo `mapstructure:"chat"`
+}
+
+type DynamoInfo struct {
+	TableName          string `mapstructure:"tableName"`
+	ReadCapacityUnits  int    `mapstructure:"readCapacityUnits"`
+	WriteCapacityUnits int    `mapstructure:"writeCapacityUnits"`
+}
+
+type Configuration struct {
+	Phase  PhaseInfo  `mapstructure:"phase"`
+	Server ServerInfo `mapstructure:"server"`
+	Log    LogInfo    `mapstructure:"logging"`
+	AWS    AWSInfo    `mapstructure:"aws"`
+}
+
+func loadSingleton() {
+	viper.SetConfigName("config")
+	viper.SetConfigType("toml")
+	viper.AddConfigPath(".")
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	err := viper.ReadInConfig()
+	if err != nil {
+		fmt.Println(err)
+		log.Fatal("config read error")
+		panic(err)
+	}
+}
+
+// LoadConfig comment something
+func LoadConfig() *Configuration {
+	loadSingleton()
+	config := &Configuration{}
+	err := viper.Unmarshal(&config)
+	if err != nil {
+		log.Fatal("config unmarshal error")
+		panic(err)
+	}
+
+	return config
+}