diff --git a/docker-compose.yml b/docker-compose.yml
index b67f2f5d..854f2df2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,6 +15,19 @@ services:
       # - "443:443/tcp" #DNS-over-HTTPS service
       # - "80:80/tcp" #DNS-over-HTTPS service certbot certificate renewal
       # - "8053:8053/tcp" #DNS-over-HTTPS using reverse proxy
+    environment:
+      - DNS_SERVER_DOMAIN=dns-server #The primary domain name used by this DNS Server to identify itself.
+      # - DNS_SERVER_ADMIN_PASSWORD=password #DNS web console admin password.
+      # - DNS_SERVER_ADMIN_PASSWORD_FILE=password.txt #DNS web console admin password file.
+      # - DNS_SERVER_PREFER_IPV6=false #DNS Server will use IPv6 for querying whenever possible with this option enabled.
+      # - DNS_SERVER_OPTIONAL_PROTOCOL_DNS_OVER_HTTP=false #Enables DNS server optional protocol DNS-over-HTTP on TCP port 8053 to be used with a TLS terminating reverse proxy like nginx.
+      # - DNS_SERVER_RECURSION=AllowOnlyForPrivateNetworks #Options: Allow, Deny, AllowOnlyForPrivateNetworks, UseSpecifiedNetworks.
+      # - DNS_SERVER_RECURSION_DENIED_NETWORKS=1.1.1.0/24 #Comma separated list of IP addresses or network addresses. Valid only for `UseSpecifiedNetworks` recursion option.
+      # - DNS_SERVER_RECURSION_ALLOWED_NETWORKS=127.0.0.1, 192.168.1.0/24 #Comma separated list of IP addresses or network addresses. Valid only for `UseSpecifiedNetworks` recursion option.
+      # - DNS_SERVER_ENABLE_BLOCKING=false #Sets the DNS server to block domain names using Blocked Zone and Block List Zone.
+      # - DNS_SERVER_ALLOW_TXT_BLOCKING_REPORT=false #Specifies if the DNS Server should respond with TXT records containing a blocked domain report for TXT type requests.
+      # - DNS_SERVER_FORWARDERS=1.1.1.1, 8.8.8.8 #Comma separated list of forwarder addresses
+      # - DNS_SERVER_FORWARDER_PROTOCOL=Tcp #Options: Udp, Tcp, Tls, Https, HttpsJson.
     volumes:
       - config:/etc/dns/config    
     restart: unless-stopped