fix: go: automatically use paths compatible with cli/prod (#473)

flake.nix

@@ -237,7 +237,7 @@
             postInstall = ''
               wrapProgram $out/bin/hasura-auth \
                   --suffix PATH : ${pkgs.nodejs-slim_18}/bin \
-                  --prefix NODE_SERVER_PATH : ${node-auth}
+                  --prefix AUTH_NODE_SERVER_PATH : ${node-auth}
             '';
           };
 

go/cmd/email.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log/slog"
 	"net/smtp"
+	"os"
 	"path/filepath"
 
 	"github.com/nhost/hasura-auth/go/notifications"
@@ -17,8 +18,22 @@ func getEmailer(cCtx *cli.Context, logger *slog.Logger) (*notifications.Email, e
 		headers["X-SMTPAPI"] = cCtx.String(flagSMTPAPIHedaer)
 	}
 
-	templates, err := notifications.NewTemplatesFromFilesystem(
+	var templatesPath string
+	for _, p := range []string{
+		cCtx.String(flagEmailTemplatesPath),
 		filepath.Join(cCtx.String(flagNodeServerPath), "email-templates"),
+	} {
+		if _, err := os.Stat(p); err == nil {
+			templatesPath = p
+			break
+		}
+	}
+	if templatesPath == "" {
+		return nil, errors.New("templates path not found") //nolint:goerr113
+	}
+
+	templates, err := notifications.NewTemplatesFromFilesystem(
+		templatesPath,
 		cCtx.String(flagDefaultLocale),
 		logger.With(slog.String("component", "mailer")),
 	)

go/cmd/serve.go

@@ -60,6 +60,7 @@ const (
 	flagHasuraAdminSecret                = "hasura-admin-secret" //nolint:gosec
 	flagPasswordMinLength                = "password-min-length"
 	flagPasswordHIBPEnabled              = "password-hibp-enabled"
+	flagEmailTemplatesPath               = "templates-path"
 )
 
 func CommandServe() *cli.Command { //nolint:funlen
@@ -86,13 +87,13 @@ func CommandServe() *cli.Command { //nolint:funlen
 				Name:     flagDebug,
 				Usage:    "enable debug logging",
 				Category: "general",
-				EnvVars:  []string{"DEBUG"},
+				EnvVars:  []string{"AUTH_DEBUG"},
 			},
 			&cli.BoolFlag{ //nolint: exhaustruct
 				Name:     flagLogFormatTEXT,
 				Usage:    "format logs in plain text",
 				Category: "general",
-				EnvVars:  []string{"LOG_FORMAT_TEXT"},
+				EnvVars:  []string{"AUTH_LOG_FORMAT_TEXT"},
 			},
 			&cli.StringFlag{ //nolint: exhaustruct
 				Name:     flagPostgresConnection,
@@ -106,7 +107,7 @@ func CommandServe() *cli.Command { //nolint:funlen
 				Usage:    "Path to the node server",
 				Value:    ".",
 				Category: "node",
-				EnvVars:  []string{"NODE_SERVER_PATH"},
+				EnvVars:  []string{"AUTH_NODE_SERVER_PATH"},
 			},
 			&cli.BoolFlag{ //nolint: exhaustruct
 				Name:     flagDisableSignup,
@@ -331,6 +332,13 @@ func CommandServe() *cli.Command { //nolint:funlen
 				Category: "signup",
 				EnvVars:  []string{"AUTH_PASSWORD_HIBP_ENABLED"},
 			},
+			&cli.StringFlag{ //nolint: exhaustruct
+				Name:     flagEmailTemplatesPath,
+				Usage:    "Path to the email templates. Default to included ones if path isn't found",
+				Value:    "/app/email-templates",
+				Category: "email",
+				EnvVars:  []string{"AUTH_EMAIL_TEMPLATES_PATH"},
+			},
 		},
 		Action: serve,
 	}