diff --git a/README.md b/README.md
index a26bcb2..e2bac74 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ ddnssclient can also be configured using some properties or environment variable
 | ddnsclient.ip-provider      | DDNSCLIENT_IP_PROVIDER      | an ip lookup provider (see below) | null (random) |
 | ddnsclient.dns.resolver     | DDNSCLIENT_DNS_RESOLVER     | e.g. "9.9.9.9", "1.1.1.1"         | "9.9.9.9"     |
 | ddnsclient.backoff-duration | DDNSCLIENT_BACKOFF_DURATION | e.g. "60s", "1m"                  | "300s"        |
+| ddnssclient.config-file     | DDNSCLIENT_CONFIG_FILE      | e.g. "/path/to/your/config.json"  | "config.json" |
 
 ## IP lookup
 
diff --git a/src/main/java/de/rpr/ddnsclient/AppConfig.java b/src/main/java/de/rpr/ddnsclient/AppConfig.java
index 0fd4877..46beb1c 100644
--- a/src/main/java/de/rpr/ddnsclient/AppConfig.java
+++ b/src/main/java/de/rpr/ddnsclient/AppConfig.java
@@ -19,8 +19,11 @@ public class AppConfig {
 
     @Produces
     @ApplicationScoped
-    public Config config(ObjectMapper objectMapper) throws IOException {
-        File configFile = new File("config.json");
+    public Config config(
+            ObjectMapper objectMapper,
+            @ConfigProperty(name = "ddnsclient.config-file", defaultValue = "config.json") String configFilePath)
+            throws IOException {
+        File configFile = new File(configFilePath);
         return objectMapper.readValue(configFile, Config.class);
     }
 
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index b6dd53c..79c37e4 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,4 +1,3 @@
 quarkus.log.level=INFO
 quarkus.log.category."de.rpr.ddnsclient".min-level=TRACE
-quarkus.log.category."de.rpr.ddnsclient".level=INFO
-
+quarkus.log.category."de.rpr.ddnsclient".level=INFO
\ No newline at end of file