diff --git a/Dockerfile b/Dockerfile
index 38de606..eb04ace 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ COPY . /usr/src/app
 
 # public env
 
-RUN printf "NEXT_PUBLIC_COMMIT_HASH=$(git rev-parse HEAD)\nNEXT_PUBLIC_BRANCH=$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')" > .env.local
+RUN printf "NEXT_PUBLIC_TESTER_KEY=9f9c4a7ae9afeb045fe818ed8b741c70b1d25ec236b189566a0db020c5596441\nNEXT_PUBLIC_COMMIT_HASH=$(git rev-parse HEAD)\nNEXT_PUBLIC_BRANCH=$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')" > .env.local
 
 # Building app
 RUN yarn build