Set CLIENT_URL environment variable in Dockerfile

Author: oshankkkk

backend/Dockerfile

@@ -8,8 +8,7 @@ ARG DB_URL
 ARG PORT
 ARG APP_ENV
 ARG CLERK_SECRET_KEY
-ARG CLIENT_URL
-
+ENV CLIENT_URL=https://scintillating-commitment-production-2429.up.railway.app
 COPY . .
 RUN CGO_ENABLED=0 GOOS=linux go build -o /server ./cmd/server/