dockerize

Dockerfile

@@ -0,0 +1,20 @@
+FROM debian:bookworm
+
+RUN apt-get update && apt-get install -y ca-certificates
+
+RUN useradd -m dyndns
+
+COPY entrypoint.sh /home/dyndns/entrypoint.sh
+RUN chmod +x /home/dyndns/entrypoint.sh
+
+COPY DynDNS /home/dyndns/DynDNS
+COPY .env /home/dyndns/.env
+
+RUN chown -R dyndns:dyndns /home/dyndns
+RUN chmod +x /home/dyndns/DynDNS
+
+USER dyndns
+
+WORKDIR /home/dyndns
+
+CMD ["./entrypoint.sh"]

docker-compose.yml

@@ -0,0 +1,6 @@
+services:
+  dyndns:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: always

entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Function to run the DynDNS update
+run_dyndns() {
+    echo "Running DynDNS update at $(date)"
+    ./DynDNS
+}
+
+# Then run every 5 minutes
+while true; do
+    run_dyndns
+    sleep 300
+done

publicIp/ip.go

@@ -7,17 +7,20 @@ import (
 )
 
 func ReadIp() (string, error) {
-	ip, err := _readIpFromIpify()
+	fmt.Printf("Reading IP address ...\n")
-	if err == nil {
+	ip, errIpify := _readIpFromIpify()
+	if errIpify == nil {
+		fmt.Printf("IP address from ipify: %s\n", ip)
 		return ip, nil
 	}
 
-	ip, err = _readIpFromIdentMe()
+	ip, errIdentMe := _readIpFromIdentMe()
-	if err == nil {
+	if errIdentMe == nil {
+		fmt.Printf("IP address from identme: %s\n", ip)
 		return ip, nil
 	}
 
-	return "", fmt.Errorf("error getting IP from all services: %v", err)
+	return "", fmt.Errorf("error getting IP from all services: %v, %v", errIpify, errIdentMe)
 }
 
 func _readIpFromIpify() (string, error) {
@@ -35,6 +38,8 @@ func _readIpFromIpify() (string, error) {
 		return "", fmt.Errorf("error reading IP from ipify: %v", err)
 	}
 
+	fmt.Printf("IP address from ipify: %s\n", string(ip))
+
 	return string(ip), nil
 }
 
@@ -53,5 +58,7 @@ func _readIpFromIdentMe() (string, error) {
 		return "", fmt.Errorf("error reading IP from identme: %v", err)
 	}
 
+	fmt.Printf("IP address from identme: %s\n", string(ip))
+
 	return string(ip), nil
 }