fix: revert removal of prexfix for ctfd

Author: yyewolf

internal/ctf/ctfd.go

@@ -1,6 +1,7 @@
 package ctf
 
 import (
+	"fmt"
 	"instancer/internal/env"
 
 	ctfd "github.com/ctfer-io/go-ctfd/api"
@@ -16,6 +17,7 @@ type Client struct {
 func New() *Client {
 	c := env.Get()
 
+	fmt.Println(c.CTFd.URL)
 	nonce, session, err := ctfd.GetNonceAndSession(c.CTFd.URL)
 	if err != nil {
 		logrus.Fatalf("Failed getting nonce and session: %s", err)

internal/env/config.go

@@ -9,7 +9,7 @@ type Config struct {
 	CTFd struct {
 		URL   string `env:"URL"`
 		Token string `env:"TOKEN"`
-	}
+	} `envPrefix:"CTFD_"`
 
 	Discord struct {
 		WebhookId    uint64 `env:"WEBHOOK_ID"`