services: app: build: . ports: - "${PORT:-3000}:${PORT:-3000}" - "${WS4KP_PORT:-8080}:${WS4KP_PORT:-8080}" shm_size: 2gb environment: - PORT=${PORT:-3000} - WS4KP_PORT=${WS4KP_PORT:-8080} volumes: - ./cache:/streaming-app/cache restart: unless-stopped