diff --git a/README.md b/README.md
index 03da293..a89610d 100644
--- a/README.md
+++ b/README.md
@@ -30,12 +30,12 @@ To use the IonosDynamicDNSUpdater, follow these steps:
 ### Running in a Docker container
 
 1. Build the Docker image using `docker build -t ionosdynamicdnsupdater .`.
-2. Run the Docker container using `docker run -d ionosdynamicdnsupdater`.
+2. Run the Docker container using `docker run -d -e API_KEY=<your_api_key> -e DOMAINS=<comma_separated_list_of_domains> ionosdynamicdnsupdater`.
 
 ### Using Docker Compose
 
 1. Create an API token in Ionos.
-2. Replace the placeholder values in `appsettings.json` with your Ionos API token and the hostname for the DNS record you want to update.
+2. Replace the placeholder values in `docker-compose.yml` with your Ionos API token and the hostname for the DNS record you want to update.
 3. Start the services using `docker-compose up -d`.
 
 ## Contributing
diff --git a/docker-compose.yml b/docker-compose.yml
index ac557c1..9ef41d9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,5 +7,5 @@ services:
     tty: true
     stdin_open: true
     environment:
-      Domains_0: "*.test.de;Key"
-      Domains_1: "*.test.de;Key"
+      API_Key: ""
+      DOMAINS: "subdomain.domain.de,domain.de"