A Whole Bunch Of Changes

main.go

@@ -11,18 +11,42 @@ import (
 
 	"github.com/jackc/pgx/v4"
 	"github.com/julienschmidt/httprouter"
+	"github.com/spf13/viper"
 )
 
+var conf *EnvConfigs
+
+func init() {
+	setupConfig()
+}
+
 func main() {
 	deps := dependencies{}
 	deps.initializeDependencies()
 
 	deps.router.HandlerFunc("GET", "/", index)
 
-	err := http.ListenAndServe(":3000", deps.router)
+	err := http.ListenAndServe(fmt.Sprintf(":%v", conf.HttpPort), deps.router)
 	log.Fatal(err)
 }
 
+func setupConfig() {
+	viper.AddConfigPath(".")
+	viper.SetConfigName(".env")
+	viper.SetConfigType("env")
+
+	viper.SetEnvPrefix("isl_api")
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err != nil {
+		fmt.Printf("Error reading env file: %v\n", err)
+	}
+
+	if err := viper.Unmarshal(&conf); err != nil {
+		log.Fatal(err)
+	}
+}
+
 type dependencies struct {
 	router              *httprouter.Router
 	postgresConnection  *pgx.Conn
@@ -37,7 +61,7 @@ func (d *dependencies) initializeDependencies() error {
 
 	d.router = httprouter.New()
 	d.context = context.Background()
-	d.postgresConnection, err = pgx.Connect(d.context, "postgres://isl:development@localhost:5432/isl")
+	d.postgresConnection, err = pgx.Connect(d.context, conf.ConnectionString)
 	if err != nil {
 		return err
 	}