diff --git a/keys.example.go b/keys.example.go
new file mode 100644
index 0000000..9a64598
--- /dev/null
+++ b/keys.example.go
@@ -0,0 +1,15 @@
+package keys
+
+var (
+	PublicKey = []byte(`-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEqtyaUimtphsWdH6aRxsFMi/TXkff
+lpM2JTy7A94ut9Gk2HhOF05hiJuwFQQUN78WNhauZnbU1lLWPKP5lJbZ7Q==
+-----END PUBLIC KEY-----`)
+	PrivateKey = []byte(`-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEILLczON2Ou3TVZGzNZfNiP5XZCRALoPGLCoHe3m3jFQhoAoGCCqGSM49
+AwEHoUQDQgAEqtyaUimtphsWdH6aRxsFMi/TXkfflpM2JTy7A94ut9Gk2HhOF05h
+iJuwFQQUN78WNhauZnbU1lLWPKP5lJbZ7Q==
+-----END EC PRIVATE KEY-----`)
+	Alg    = `ES256`
+	Answer = []byte(`9834876dcfb05cb167a5c24953eba58c4ac89b1adf57f28f2f9d09af107ee8f0`)
+)
diff --git a/task1-backend/main.go b/task1-backend/main.go
index 3361f5b..024af94 100644
--- a/task1-backend/main.go
+++ b/task1-backend/main.go
@@ -10,6 +10,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/valyala/fasthttp"
 
+	"github.com/mainnika/a-quest/keys"
 	"github.com/mainnika/a-quest/task1-backend/lib"
 	. "github.com/mainnika/a-quest/task1-backend/lib/configure"
 	. "github.com/mainnika/a-quest/task1-backend/lib/env"
@@ -63,22 +64,22 @@ func main() {
 	log.Debugf("version: %s", version)
 	log.Debugf("cfg: %v", Config)
 
-	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(publicKey)
+	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(keys.PublicKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
 
-	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(privateKey)
+	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(keys.PrivateKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
 
 	apiserv := &lib.Api{
 		Base:   Config.HttpAPI.Base,
-		Alg:    alg,
 		Pub:    pubKey,
 		Priv:   privKey,
-		Answer: answer,
+		Alg:    keys.Alg,
+		Answer: keys.Answer,
 	}
 
 	httpStart(apiserv)
diff --git a/task2-backend/main.go b/task2-backend/main.go
index 97d9f28..4076d1f 100644
--- a/task2-backend/main.go
+++ b/task2-backend/main.go
@@ -11,6 +11,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/valyala/fasthttp"
 
+	"github.com/mainnika/a-quest/keys"
 	"github.com/mainnika/a-quest/task2-backend/lib"
 	. "github.com/mainnika/a-quest/task2-backend/lib/configure"
 	. "github.com/mainnika/a-quest/task2-backend/lib/env"
@@ -70,19 +71,19 @@ func main() {
 		DB:       0,  // use default DB
 	})
 
-	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(publicKey)
+	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(keys.PublicKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
 
-	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(privateKey)
+	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(keys.PrivateKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
 
 	apiserv := &lib.Api{
 		Base:       Config.HttpAPI.Base,
-		Alg:        alg,
+		Alg:        keys.Alg,
 		Pub:        pubKey,
 		Priv:       privKey,
 		ScoresKey:  Config.Redis.ScoreKey,
diff --git a/task3-backend/main.go b/task3-backend/main.go
index 2ec9ee5..1e96679 100644
--- a/task3-backend/main.go
+++ b/task3-backend/main.go
@@ -12,6 +12,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/valyala/fasthttp"
 
+	"github.com/mainnika/a-quest/keys"
 	"github.com/mainnika/a-quest/task3-backend/lib"
 	. "github.com/mainnika/a-quest/task3-backend/lib/configure"
 	. "github.com/mainnika/a-quest/task3-backend/lib/env"
@@ -92,12 +93,12 @@ func main() {
 		log.Fatalf("can not init docklient: %s", err)
 	}
 
-	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(publicKey)
+	pubKey, err := jwtgo.ParseECPublicKeyFromPEM(keys.PublicKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
 
-	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(privateKey)
+	privKey, err := jwtgo.ParseECPrivateKeyFromPEM(keys.PrivateKey)
 	if err != nil {
 		log.Fatalf("can not parse jwt key: %s", err)
 	}
@@ -109,7 +110,7 @@ func main() {
 	}
 
 	taskserv := &lib.Server{
-		Alg:               alg,
+		Alg:               keys.Alg,
 		Pub:               pubKey,
 		Priv:              privKey,
 		Docker:            docklient,