diff --git a/README.md b/README.md
index 824355a..983ed6e 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,11 @@ Run `ddev describe` to list your project's services and their URLs.
 To modify the build of the used n8n image for the container there are dotenv variables available.
 
 - `N8N_TAG` - The used n8n image tag. Default is `latest`.
+- `N8N_TIMEZONE` - The timezone of the n8n container. Default is `Europe/Berlin`.
+- `N8N_BASIC_AUTH_ACTIVE` - Enable basic authentication. Default is `false`.
+- `N8N_BASIC_AUTH_USER` - The basic authentication username. Default is `n8n`.
+- `N8N_BASIC_AUTH_PASSWORD` - The basic authentication password. Default is `n8n`.
+- `N8N_ENCRYPTION_KEY` - The encryption key for sensitive data. Default is `n8n`.
 
 Use the ddev dotenv command to set these variables.
 
diff --git a/docker-compose.n8n.yaml b/docker-compose.n8n.yaml
index 96688d4..460e414 100644
--- a/docker-compose.n8n.yaml
+++ b/docker-compose.n8n.yaml
@@ -17,14 +17,14 @@ services:
     volumes:
       - ".:/mnt/ddev_config"
     environment:
-      GENERIC_TIMEZONE: "Europe/Berlin"
-      N8N_BASIC_AUTH_ACTIVE: false
-      N8N_BASIC_AUTH_USER: "n8n"
-      N8N_BASIC_AUTH_PASSWORD: "n8n"
+      GENERIC_TIMEZONE: "${N8N_TIMEZONE:-Europe/Berlin}"
+      N8N_BASIC_AUTH_ACTIVE: "${N8N_BASIC_AUTH_ACTIVE:-false}"
+      N8N_BASIC_AUTH_USER: "${N8N_BASIC_AUTH_USER:-n8n}"
+      N8N_BASIC_AUTH_PASSWORD: "${N8N_BASIC_AUTH_PASSWORD:-n8n}"
       N8N_HOST: "${DDEV_SITENAME}.ddev.site"
       N8N_PORT: 5678
       N8N_PROTOCOL: http
-      N8N_ENCRYPTION_KEY: "n8n"
+      N8N_ENCRYPTION_KEY: "${N8N_ENCRYPTION_KEY:-n8n}"
       N8N_USER_FOLDER: "/mnt/ddev_config/n8n/data"
       #N8N_LOG_LEVEL: debug
       N8N_LOG_OUTPUT: "stdout"