upstream backend { server {{ .Env.URL_BACKEND }}; } server { listen 80; index index.html; root /var/www/public/; server_name {{ default .Env.FRONTEND_SERVER_NAME "_" }}; include sites.d/frontend.conf; include include.d/letsencrypt.conf; } server { listen 80; server_name {{ default .Env.BACKEND_SERVER_NAME "_" }}; include sites.d/backend.conf; include include.d/letsencrypt.conf; }