diff --git a/.env b/.env
new file mode 100644
index 0000000..ea19c51
--- /dev/null
+++ b/.env
@@ -0,0 +1,3 @@
+KC_URL="https://auth-dev.csi.wmi.amu.edu.pl/"
+KC_REALM="gonito-dev"
+KC_CLIENT_ID="gonito-dev-heroku"
diff --git a/README.md b/README.md
index 79a9351..e51d4fa 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,8 @@ App will work on port 3001.
 
 ## Stop app
 
-`docker-compose stop`
\ No newline at end of file
+`docker-compose stop`
+
+## Keycloak
+
+Set variables in *.env* to choose keycloak connect.
\ No newline at end of file
diff --git a/src/services/KeyCloakService.js b/src/services/KeyCloakService.js
index 1dd0a13..67f9547 100644
--- a/src/services/KeyCloakService.js
+++ b/src/services/KeyCloakService.js
@@ -1,23 +1,11 @@
 import Keycloak from 'keycloak-js';
 
-// const _kc = new Keycloak({
-//     url: 'https://auth-dev.csi.wmi.amu.edu.pl/',
-//     realm: 'gonito-dev',
-//     clientId: 'gonito-dev-localhost'
-// });
-
 const _kc = new Keycloak({
-    url: 'https://auth-dev.csi.wmi.amu.edu.pl/',
-    realm: 'gonito-dev',
-    clientId: 'gonito-dev-heroku'
+    url: process.env.KC_URL,
+    realm: process.env.KC_REALM,
+    clientId: process.env.KC_CLIENT_ID
 });
 
-// const _kc = new Keycloak({
-//     url: 'http://0.0.0.0:8080',
-//     realm: 'test',
-//     clientId: 'test'
-// });
-
 const initKeycloak = (onAuthenticatedCallback) => {
     _kc.init({
         onLoad: 'check-sso',