Added Dockerfile, changed config path, enable binding port to 0.0.0.0

.gitignore

@@ -1,4 +1,4 @@
-config.json
 SingleDownload
+config/
 data/
 .idea/

Configuration.go

@@ -10,7 +10,9 @@ import (
 	"strings"
 )
 
+const configDir = "config"
 const configFile = "config.json"
+const configPath = configDir + "/" + configFile
 
 var globalConfig Configuration
 
@@ -41,10 +43,11 @@ func (f *FileList) toJsonResult() string {
 }
 
 func loadConfig() {
-	if !fileExists(configFile) {
+	createConfigDir()
+	if !fileExists(configPath) {
 		generateDefaultConfig()
 	}
-	file, err := os.Open(configFile)
+	file, err := os.Open(configPath)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -63,8 +66,14 @@ func generateDefaultConfig() {
 	password := askForPassword()
 	url := askForUrl()
 	redirect := askForRedirect()
+	localOnly := askForLocalOnly()
+	port := "127.0.0.1:53842"
+	if !localOnly {
+		port = "0.0.0.0:53842"
+	}
+
 	globalConfig = Configuration{
-		Port:             "127.0.0.1:53842",
+		Port:             port,
 		AdminName:        username,
 		AdminPassword:    hashPassword(password),
 		ServerUrl:        url,
@@ -78,7 +87,7 @@ func generateDefaultConfig() {
 }
 
 func saveConfig() {
-	file, err := os.OpenFile(configFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	file, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
 	if err != nil {
 		fmt.Println("Error reading configuration:", err)
 		os.Exit(1)
@@ -102,6 +111,15 @@ func askForUsername() string {
 	return askForUsername()
 }
 
+func askForLocalOnly() bool {
+	if isDocker() {
+		return false
+	}
+	fmt.Print("Bind port to localhost only? [Y/n]: ")
+	input := strings.ToLower(readLine())
+	return input != "n"
+}
+
 func askForPassword() string {
 	fmt.Print("Password: ")
 	password1, err := terminal.ReadPassword(0)
@@ -163,3 +181,14 @@ type Result struct {
 	FileInfo *FileList `json:"FileInfo"`
 	Url      string    `json:"Url"`
 }
+
+func createConfigDir() {
+	if !folderExists(configDir) {
+		err := os.Mkdir(configDir, 0770)
+		check(err)
+	}
+}
+
+func isDocker() bool {
+	return fileExists(".isdocker")
+}

Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.16 AS build_base
+
+## Usage:
+## docker build . -t gokapi
+## docker run -it -v gokapi-data:/app/data -v gokapi-config:/app/config -p 127.0.0.1:53842:53842 gokapi
+
+RUN mkdir /compile
+  
+COPY . /compile  
+
+RUN cd /compile  && CGO_ENABLED=0 go build -o /compile/gokapi
+
+FROM alpine:3.13
+
+
+RUN apk add ca-certificates && mkdir /app  
+COPY --from=build_base /compile/gokapi /app/gokapi
+RUN touch /app/.isdocker
+WORKDIR /app
+
+CMD ["/app/gokapi"]
+
+