diff --git a/Dockerfile b/Dockerfile
index b1b3a9a..d0d93ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,13 +15,11 @@ COPY start.sh /usr/local/bin/start.sh
 # Make start script executable
 RUN chmod +x /usr/local/bin/start.sh
 
-USER knot
-
 WORKDIR /var/lib/knot
 VOLUME /etc/knot
 VOLUME /var/lib/knot
 
-EXPOSE 8053
+EXPOSE 53
 
 CMD [ "/usr/local/bin/start.sh" ]
 
diff --git a/deployment/deploy-yml.tmpl b/deployment/deploy-yml.tmpl
index 0541599..c229811 100644
--- a/deployment/deploy-yml.tmpl
+++ b/deployment/deploy-yml.tmpl
@@ -17,10 +17,10 @@ spec:
           image: %IMAGE%
           ports:
             - name: dns-tcp
-              containerPort: 8053
+              containerPort: 53
               protocol: TCP
             - name: dns-udp
-              containerPort: 8053
+              containerPort: 53
               protocol: UDP
           env:
             - name: KNOT_USER
@@ -39,12 +39,12 @@ spec:
               cpu: "500m"
           livenessProbe:
             tcpSocket:
-              port: 8053
+              port: 53
             initialDelaySeconds: 30
             periodSeconds: 10
           readinessProbe:
             tcpSocket:
-              port: 8053
+              port: 53
             initialDelaySeconds: 5
             periodSeconds: 5
       volumes:
@@ -66,11 +66,11 @@ spec:
   ports:
     - name: dns-tcp
       port: 53
-      targetPort: 8053
+      targetPort: 53
       protocol: TCP
     - name: dns-udp
       port: 53
-      targetPort: 8053
+      targetPort: 53
       protocol: UDP
 ---
 apiVersion: v1