56 lines
798 B
Go
56 lines
798 B
Go
package config
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import (
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"fmt"
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"log"
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"os"
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"strconv"
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"github.com/joho/godotenv"
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)
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type ApplicationConfig struct {
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Port int64
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}
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func LoadApplicationConfig() (error, *ApplicationConfig) {
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err := godotenv.Load()
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if err != nil {
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log.Fatal("Error loading .env file")
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}
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err, portString := getVar("PORT", "8080", true)
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if err != nil {
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return err, nil
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}
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port, err := strconv.ParseInt(portString, 10, 64)
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if err != nil {
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return err, nil
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}
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return nil, &ApplicationConfig{
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Port: port,
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}
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}
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func getVar(varName string, defaultValue string, isRequired bool) (error, string) {
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varValue := os.Getenv(varName)
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if varValue == "" {
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if isRequired {
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return fmt.Errorf("%s is missing and required : ", varName), ""
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}
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return nil, defaultValue
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}
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return nil, varValue
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}
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