diff --git a/Dockerfile b/Dockerfile
index 49e686a794..59d39c94bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,6 +64,8 @@ ARG TC_M2M_AUTH0_PROXY_SERVER_URL
 ARG TC_M2M_AUTH0_URL
 ARG AUTH_SECRET
 
+ARG COMMUNITY_APP_URL
+
 ################################################################################
 # Setting of environment variables in the Docker image.
 
@@ -117,6 +119,7 @@ ENV CONTENTFUL_EDU_SPACE_ID=$CONTENTFUL_EDU_SPACE_ID
 ENV CONTENTFUL_EDU_CDN_API_KEY=$CONTENTFUL_EDU_CDN_API_KEY
 ENV CONTENTFUL_EDU_PREVIEW_API_KEY=$CONTENTFUL_EDU_PREVIEW_API_KEY
 ENV RECRUITCRM_API_KEY=$RECRUITCRM_API_KEY
+ENV COMMUNITY_APP_URL=$COMMUNITY_APP_URL
 
 ################################################################################
 # Testing and build of the application inside the container.
diff --git a/build.sh b/build.sh
index 64affb8170..8c4660937b 100755
--- a/build.sh
+++ b/build.sh
@@ -43,7 +43,8 @@ docker build -t $TAG \
   --build-arg CONTENTFUL_COMCAST_SPACE_ID=$CONTENTFUL_COMCAST_SPACE_ID \
   --build-arg CONTENTFUL_COMCAST_CDN_API_KEY=$CONTENTFUL_COMCAST_CDN_API_KEY \
   --build-arg CONTENTFUL_COMCAST_PREVIEW_API_KEY=$CONTENTFUL_COMCAST_PREVIEW_API_KEY \
-  --build-arg RECRUITCRM_API_KEY=$RECRUITCRM_API_KEY .
+  --build-arg RECRUITCRM_API_KEY=$RECRUITCRM_API_KEY \
+  --build-arg COMMUNITY_APP_URL=$COMMUNITY_APP_URL .
 
 # Copies "node_modules" from the created image, if necessary for caching.
 docker create --name app $TAG