diff --git a/Dockerfile b/Dockerfile
index 40c96d7..568b30c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,8 @@ WORKDIR /usr/src/app
 COPY package*.json ./
 RUN npm install
 COPY . .
+ARG GMAP_API_KEY=YOU_NEED_A_KEY
+ENV GMAP_API_KEY=$GMAP_API_KEY
 RUN npm run build 
 
 FROM nginx:alpine