CALL_HELPER_SHARED_SECRET=replace-with-same-secret-as-main-app PUBLIC_BASE=https://calls.backend-3.com HELPER_LOG_LEVEL=info HELPER_DEFAULT_ROUTE_MODE=direct ENABLE_OVERLAY_METADATA=1 OVERLAY_YGG_ENABLED=0 OVERLAY_YGG_BRIDGE_WSS= OVERLAY_YGG_BRIDGE_LABEL=ygg-bridge OVERLAY_I2P_ENABLED=0 OVERLAY_I2P_BRIDGE_HTTPS= OVERLAY_I2P_BRIDGE_LABEL=i2p-bridge RELAY_ENABLED=1 RELAY_WSS=