Add flag for identity server base URL (#2033)

Fix #1665

cmd/server/app/root.go

@@ -57,6 +57,9 @@ func init() {
 	if err := auth.RegisterOAuthFlags(viper.GetViper(), RootCmd.PersistentFlags()); err != nil {
 		log.Fatal().Err(err).Msg("Error registering oauth flags")
 	}
+	if err := config.RegisterIdentityFlags(viper.GetViper(), RootCmd.PersistentFlags()); err != nil {
+		log.Fatal().Err(err).Msg("Error registering identity flags")
+	}
 }
 
 func initConfig() {

docker-compose.yaml

@@ -25,6 +25,7 @@ services:
       "--http-host=0.0.0.0",
       "--metric-host=0.0.0.0",
       "--db-host=postgres",
+      "--issuer-url=http://keycloak:8080",
       "--config=/app/server-config.yaml",
       # If you don't want to store your GitHub client ID and secret in the main
       # config file, point to them here:

internal/config/identity.go

@@ -19,6 +19,9 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
 )
 
 // IdentityConfig is the configuration for the identity provider
@@ -49,3 +52,9 @@ func (sic *ServerIdentityConfig) GetClientSecret() (string, error) {
 	}
 	return sic.ClientSecret, nil
 }
+
+// RegisterIdentityFlags registers the flags for the identity server
+func RegisterIdentityFlags(v *viper.Viper, flags *pflag.FlagSet) error {
+	return BindConfigFlag(v, flags, "identity.server.issuer_url", "issuer-url", "",
+		"The base URL where the identity server is running", flags.String)
+}