environment variable support for webhook

docker/golang.Dockerfile

@@ -19,5 +19,7 @@ RUN apk update && apk add --no-cache ffmpeg
 WORKDIR /app
 # Copy compiled from builder.
 COPY --from=builder /app/whatsapp /app/whatsapp
+# Copy the .env file
+COPY .env ./.env
 # Run the binary.
 ENTRYPOINT ["/app/whatsapp"]

src/config/settings.go

@@ -3,8 +3,7 @@ package config
 import (
 	"log"
 	"os"
-	"strconv"
-
+	"github.com/joho/godotenv" // Import the godotenv package
 	waProto "go.mau.fi/whatsmeow/binary/proto"
 )
 
@@ -12,7 +11,7 @@ var (
 	AppVersion             = "v4.14.0"
 	AppPort                = "3000"
 	AppDebug               = false
-	AppOs                  = "AldinoKemal"
+	AppOs                  = "ABD-Whatsapp-Client"
 	AppPlatform            = waProto.DeviceProps_PlatformType(1)
 	AppBasicAuthCredential string
 
@@ -23,29 +22,22 @@ var (
 
 	DBName = "whatsapp.db"
 
-	WhatsappAutoReplyMessage    string = getEnv("WhatsappAutoReplyMessage", "")
-	WhatsappWebhook             string = getEnv("WhatsappWebhook", "")
-	WhatsappLogLevel            string = getEnv("WhatsappLogLevel", "ERROR")
-	WhatsappSettingMaxFileSize  int64  = getEnvAsInt64("WhatsappSettingMaxFileSize", 50000000)  // 50MB
-	WhatsappSettingMaxVideoSize int64  = getEnvAsInt64("WhatsappSettingMaxVideoSize", 100000000)  // 100MB
-	WhatsappTypeUser            string = "@s.whatsapp.net"
-	WhatsappTypeGroup           string = "@g.us"
+	WhatsappAutoReplyMessage    string
+	WhatsappWebhook             string
+	WhatsappLogLevel                  = "ERROR"
+	WhatsappSettingMaxFileSize  int64 = 50000000  // 50MB
+	WhatsappSettingMaxVideoSize int64 = 100000000 // 100MB
+	WhatsappTypeUser                  = "@s.whatsapp.net"
+	WhatsappTypeGroup                 = "@g.us"
 )
 
-func getEnv(key, defaultValue string) string {
-	if value, exists := os.LookupEnv(key); exists {
-		return value
+func init() {
+	err := godotenv.Load()
+	if err != nil {
+		log.Fatalf("Error loading .env file: %v", err)
 	}
-	return defaultValue
-}
-
-func getEnvAsInt64(key string, defaultValue int64) int64 {
-	if valueStr, exists := os.LookupEnv(key); exists {
-		if value, err := strconv.ParseInt(valueStr, 10, 64); err == nil {
-			return value
-		} else {
-			log.Printf("Error parsing environment variable %s: %v", key, err)
-		}
+	WhatsappWebhook = os.Getenv("WhatsappWebhook")
+	if WhatsappWebhook == "" {
+		log.Fatalf("WhatsappWebhook environment variable is not set")
 	}
-	return defaultValue
 }

src/go.mod

@@ -33,6 +33,7 @@ require (
 	github.com/gofiber/utils v1.1.0 // indirect
 	github.com/gorilla/websocket v1.5.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/klauspost/compress v1.17.8 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect

src/go.sum

@@ -45,6 +45,8 @@ github.com/gorilla/websocket v1.5.1 h1:gmztn0JnHVt9JZquRuzLw3g4wouNVzKL15iLr/zn/
 github.com/gorilla/websocket v1.5.1/go.mod h1:x3kM2JMyaluk02fnUJpQuwD2dCS5NDG2ZHL0uE0tcaY=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU=
 github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=