diff --git a/Dockerfile b/Dockerfile
index 08917ed..3595f90 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM golang:1.15-alpine as builder
 RUN apk add --no-cache git
 WORKDIR /go/croc
 COPY . .
-RUN go build -v
+RUN go build -v -ldflags="-s -w"
 
 FROM alpine:latest 
 EXPOSE 9009
diff --git a/LICENSE b/LICENSE
index 698785d..3589cfa 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017-2020 Zack
+Copyright (c) 2017-2021 Zack
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 1cedd56..11d1173 100644
--- a/README.md
+++ b/README.md
@@ -77,12 +77,6 @@ On Arch Linux you can install the latest release with `pacman`:
 $ pacman -S croc
 ```
 
-On Ubuntu you can install with `snap`:
-
-```
-$ snap install croc
-```
-
 On Gentoo you can install with `portage`:
 ```
 $ emerge net-misc/croc
diff --git a/main.go b/main.go
index 4c442fb..a3a9f4e 100644
--- a/main.go
+++ b/main.go
@@ -5,7 +5,7 @@ package main
 //go:generate git tag -af v$VERSION -m "v$VERSION"
 
 import (
-	"fmt"
+	"log"
 
 	"github.com/schollz/croc/v8/src/cli"
 )
@@ -28,6 +28,6 @@ func main() {
 	// 	}
 	// }()
 	if err := cli.Run(); err != nil {
-		fmt.Println(err)
+		log.Fatalln(err)
 	}
 }
diff --git a/src/cli/cli.go b/src/cli/cli.go
index 0c5bc2b..911b882 100644
--- a/src/cli/cli.go
+++ b/src/cli/cli.go
@@ -85,6 +85,7 @@ func Run() (err error) {
 		&cli.BoolFlag{Name: "no-compress", Usage: "disable compression"},
 		&cli.BoolFlag{Name: "ask", Usage: "make sure sender and recipient are prompted"},
 		&cli.BoolFlag{Name: "local", Usage: "force to use only local connections"},
+		&cli.BoolFlag{Name: "ignore-stdin", Usage: "ignore piped stdin"},
 		&cli.StringFlag{Name: "ip", Value: "", Usage: "set sender ip if known e.g. 10.0.0.1:9009, [::1]:9009"},
 		&cli.StringFlag{Name: "relay", Value: models.DEFAULT_RELAY, Usage: "address of the relay", EnvVars: []string{"CROC_RELAY"}},
 		&cli.StringFlag{Name: "relay6", Value: models.DEFAULT_RELAY6, Usage: "ipv6 address of the relay", EnvVars: []string{"CROC_RELAY6"}},
@@ -177,6 +178,7 @@ func send(c *cli.Context) (err error) {
 		Stdout:         c.Bool("stdout"),
 		DisableLocal:   c.Bool("no-local"),
 		OnlyLocal:      c.Bool("local"),
+		IgnoreStdin:    c.Bool("ignore-stdin"),
 		RelayPorts:     strings.Split(c.String("ports"), ","),
 		Ask:            c.Bool("ask"),
 		NoMultiplexing: c.Bool("no-multi"),
@@ -217,15 +219,15 @@ func send(c *cli.Context) (err error) {
 
 	var fnames []string
 	stat, _ := os.Stdin.Stat()
-	if (stat.Mode() & os.ModeCharDevice) == 0 {
+	if ((stat.Mode() & os.ModeCharDevice) == 0) && !c.Bool("ignore-stdin") {
 		fnames, err = getStdin()
 		if err != nil {
 			return
 		}
 		defer func() {
-			err = os.Remove(fnames[0])
-			if err != nil {
-				log.Error(err)
+			e := os.Remove(fnames[0])
+			if e != nil {
+				log.Error(e)
 			}
 		}()
 	} else if c.String("text") != "" {
@@ -234,9 +236,9 @@ func send(c *cli.Context) (err error) {
 			return
 		}
 		defer func() {
-			err = os.Remove(fnames[0])
-			if err != nil {
-				log.Error(err)
+			e := os.Remove(fnames[0])
+			if e != nil {
+				log.Error(e)
 			}
 		}()
 
diff --git a/src/croc/croc.go b/src/croc/croc.go
index 03f4783..c556582 100644
--- a/src/croc/croc.go
+++ b/src/croc/croc.go
@@ -61,6 +61,7 @@ type Options struct {
 	NoMultiplexing bool
 	DisableLocal   bool
 	OnlyLocal      bool
+	IgnoreStdin    bool
 	Ask            bool
 	SendingText    bool
 	NoCompress     bool