diff --git a/docker-compose.yml b/docker-compose.yml
index ab20ad6..68314c1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -159,6 +159,7 @@ services:
       target: production
       args:
         NEXT_PUBLIC_API_URL: ""
+        NEXT_PUBLIC_GOOGLE_CLIENT_ID: "${NEXT_PUBLIC_GOOGLE_CLIENT_ID:-}"
     container_name: wordly-frontend
     restart: unless-stopped
     ports:
diff --git a/docker/frontend/Dockerfile b/docker/frontend/Dockerfile
index 4bcd936..9ce74dc 100644
--- a/docker/frontend/Dockerfile
+++ b/docker/frontend/Dockerfile
@@ -19,8 +19,10 @@ COPY frontend/ .
 # NEXT_PUBLIC_API_URL: client-side API base (empty = relative URLs via proxy)
 # BACKEND_URL: server-side proxy target (must be resolvable from container)
 ARG NEXT_PUBLIC_API_URL=
+ARG NEXT_PUBLIC_GOOGLE_CLIENT_ID=
 ARG BACKEND_URL=http://backend:8000
 ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
+ENV NEXT_PUBLIC_GOOGLE_CLIENT_ID=${NEXT_PUBLIC_GOOGLE_CLIENT_ID}
 ENV BACKEND_URL=${BACKEND_URL}
 
 # Build the application (with standalone output)