diff --git a/pihole/docker-compose.yml b/pihole/docker-compose.yml
index fec4cf1..a3a8608 100644
--- a/pihole/docker-compose.yml
+++ b/pihole/docker-compose.yml
@@ -2,14 +2,14 @@ services:
   pihole:
     image: pihole/pihole:latest
     ports:
-      - "${PORT_DNS_TCP}"
-      - "${PORT_DNS_UDP}"
-      - "${PORT_HTTP}"
-      - "${PORT_HTTPS}"
+      - "${PORT_DNS_TCP:-53:53/tcp}"
+      - "${PORT_DNS_UDP:-53:53/udp}"
+      - "${PORT_HTTP:-80:80/tcp}"
+      - "${PORT_HTTPS:-443:443/tcp}"
     environment:
-      - TZ=${TZ}
-      - FTLCONF_webserver_api_password=${FTLCONF_webserver_api_password}
-      - FTLCONF_dns_listeningMode=${FTLCONF_dns_listeningMode}
+      - TZ=${TZ:-Europe/Berlin}
+      - FTLCONF_webserver_api_password=${FTLCONF_webserver_api_password:-admin}
+      - FTLCONF_dns_listeningMode=${FTLCONF_dns_listeningMode:-all}
     volumes:
-      - "${VOLUME_PERSIST}"
-    restart: unless-stopped
\ No newline at end of file
+      - "${VOLUME_PERSIST:-./pihole:/etc/pihole}"
+    restart: unless-stopped