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+# Customize the HAProxy configuration
+
+This example use a [ConfigMap](https://kubernetes.io/docs/user-guide/configmap/) to customize the HAProxy configuration.
+
+## Prerequisites
+
+This document has the following prerequisites:
+
+Deploy only the tls-secret and the default backend from the [deployment instructions](../../../deployment/haproxy/)
+
+As mentioned in the deployment instructions, you MUST turn down any existing
+ingress controllers before running HAProxy Ingress.
+
+## Customize the HAProxy configuration
+
+Using a [ConfigMap](https://kubernetes.io/docs/user-guide/configmap/) is possible to customize the HAProxy configuration.
+
+For example, if we want to change the syslog-endpoint we need to create a ConfigMap:
+
+```
+$ kubectl create configmap haproxy-conf --from-literal=syslog-endpoint=172.17.8.101
+
+```
+
+Create the HAProxy Ingress deployment:
+```
+$ kubectl create -f haproxy-custom-configuration.yaml
+```
+
+The only difference from the deployment instructions is the --configmap parameter:
+```
+- --configmap=default/haproxy-conf
+```
+
+If the Configmap it is updated, HAProxy will be reloaded with the new configuration.
+
+Check all the config options in the [HAProxy Ingress docs](https://github.com/jcmoraisjr/haproxy-ingress#configmap)
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diff --git a/examples/customization/custom-configuration/haproxy/haproxy-custom-configuration.yaml b/examples/customization/custom-configuration/haproxy/haproxy-custom-configuration.yaml
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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    run: haproxy-ingress
+  name: haproxy-ingress
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      run: haproxy-ingress
+  template:
+    metadata:
+      labels:
+        run: haproxy-ingress
+    spec:
+      containers:
+      - name: haproxy-ingress
+        image: quay.io/jcmoraisjr/haproxy-ingress
+        args:
+        - --default-backend-service=default/ingress-default-backend
+        - --default-ssl-certificate=default/tls-secret
+        - --configmap=default/haproxy-conf
+        ports:
+        - name: http
+          containerPort: 80
+        - name: https
+          containerPort: 443
+        - name: stat
+          containerPort: 1936
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace