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config.go
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config.go
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package config
import (
"fmt"
"github.com/Scribblerockerz/cryptletter/pkg/logger"
"github.com/spf13/viper"
"strings"
)
//InitConfig reads in config file and ENV variables if set.
func InitConfig(file string) {
initDefaults()
if file != "" {
viper.SetConfigFile(file)
} else {
viper.AddConfigPath(".")
viper.SetConfigName("cryptletter")
viper.SetConfigType("yaml")
}
viper.AutomaticEnv() // read in environment variables that match
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "__")) // replaces APP__ENV to app.env
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
logger.LogInfo(fmt.Sprintf("Using config file: %s", viper.ConfigFileUsed()))
viper.Set("viper.config_file", viper.ConfigFileUsed())
}
}
//initDefaults will setup all configuration fallbacks. It is used for generating/initializing new config as well
func initDefaults() {
viper.SetDefault("redis.address", "redis:6379")
viper.SetDefault("redis.password", "")
viper.SetDefault("redis.database", 0)
viper.SetDefault("app.default_message_ttl", 43830) // in minutes
viper.SetDefault("app.log_level", 4) // enum
viper.SetDefault("app.env", "prod")
viper.SetDefault("app.server.port", 8080)
viper.SetDefault("app.creation_protection_password", "")
viper.SetDefault("app.attachments.driver", "local")
viper.SetDefault("app.attachments.storage_path", "cryptletter-uploads")
viper.SetDefault("app.attachments.cleanup_schedule", "* * * * *")
viper.SetDefault("s3.endpoint", "http://127.0.0.1:9000")
viper.SetDefault("s3.secure", true)
viper.SetDefault("s3.access_id", "minioadmin")
viper.SetDefault("s3.access_secret", "minioadmin")
viper.SetDefault("s3.bucket_name", "cryptletter-attachments")
viper.SetDefault("s3.bucket_region", "eu-central-1")
}