Imports github.com/KpnmServer/go-util/file github.com/KpnmServer/go-util/json github.com/gorilla/websocket github.com/hamba/avro/v2 github.com/klauspost/compress/zstd Standard library imports bytes context crypto crypto/tls encoding/hex errors fmt io net/http os os/signal path/filepath sort strconv strings sync sync/atomic syscall time