ci: improve performance (#5953)

* pipeline runs on ubuntu instead of docker
* added Makefile to build zitadel core (backend) and console (frontend)
* pipeline runs in parallel where possible
* pipeline is split into multiple jobs
* removed goreleaser
* added command to check if zitadel instance is running

cmd/ready/ready.go

@@ -0,0 +1,37 @@
+package ready
+
+import (
+	"net"
+	"net/http"
+	"os"
+	"strconv"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/zitadel/logging"
+)
+
+func New() *cobra.Command {
+	return &cobra.Command{
+		Use:   "ready",
+		Short: "Checks if zitadel is ready",
+		Long:  "Checks if zitadel is ready",
+		Run: func(cmd *cobra.Command, args []string) {
+			config := MustNewConfig(viper.GetViper())
+			if !ready(config) {
+				os.Exit(1)
+			}
+		},
+	}
+}
+
+func ready(config *Config) bool {
+	res, err := http.Get("http://" + net.JoinHostPort("localhost", strconv.Itoa(int(config.Port))) + "/debug/ready")
+	if err != nil {
+		logging.WithError(err).Warn("ready check failed")
+		return false
+	}
+	defer res.Body.Close()
+	logging.WithFields("status", res.StatusCode).Warn("ready check failed")
+	return res.StatusCode == 200
+}