diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0cac7e5..3f43c10 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/node:9
+      - image: circleci/node:16
 
     working_directory: ~/repo
 
diff --git a/.env b/.env
new file mode 100644
index 0000000..a847453
--- /dev/null
+++ b/.env
@@ -0,0 +1,2 @@
+TIS_WS_ENDPOINT=ws://localhost:8080
+TIS_HTTP_ENDPOINT=http://localhost:8080