Add Contour reference to docs

docs/gitbook/README.md

@@ -5,7 +5,7 @@ description: Flagger is a progressive delivery Kubernetes operator
 # Introduction
 
 [Flagger](https://github.com/weaveworks/flagger) is a **Kubernetes** operator that automates the promotion of canary 
-deployments using **Istio**, **Linkerd**, **App Mesh**, **NGINX** or **Gloo** routing for traffic shifting and **Prometheus** metrics for canary analysis.
+deployments using **Istio**, **Linkerd**, **App Mesh**, **NGINX**, **Contour** or **Gloo** routing for traffic shifting and **Prometheus** metrics for canary analysis.
 The canary analysis can be extended with webhooks for running system integration/acceptance tests, load tests, or any other custom validation.
 
 Flagger implements a control loop that gradually shifts traffic to the canary while measuring key performance 
@@ -16,7 +16,7 @@ Based on analysis of the **KPIs** a canary is promoted or aborted, and the analy
 
 Flagger can be configured with Kubernetes custom resources and is compatible with 
 any CI/CD solutions made for Kubernetes. Since Flagger is declarative and reacts to Kubernetes events, 
-it can be used in **GitOps** pipelines together with Weave Flux or JenkinsX.
+it can be used in **GitOps** pipelines together with Flux CD or JenkinsX.
 
 This project is sponsored by [Weaveworks](https://www.weave.works/)
 

docs/gitbook/faq.md

@@ -6,13 +6,13 @@
 
 Flagger can run automated application analysis, promotion and rollback for the following deployment strategies:
 * Canary (progressive traffic shifting)
-    * Istio, Linkerd, App Mesh, NGINX, Gloo
+    * Istio, Linkerd, App Mesh, NGINX, Contour, Gloo
 * Canary (traffic mirroring)
     * Istio
 * A/B Testing (HTTP headers and cookies traffic routing)
-    * Istio, App Mesh, NGINX
+    * Istio, App Mesh, NGINX, Contour
 * Blue/Green (traffic switch)
-    * Kubernetes CNI, Istio, Linkerd, App Mesh, NGINX, Gloo
+    * Kubernetes CNI, Istio, Linkerd, App Mesh, NGINX, Contour, Gloo
 
 For Canary deployments and A/B testing you'll need a Layer 7 traffic management solution like a service mesh or an ingress controller.
 For Blue/Green deployments no service mesh or ingress controller is required.
@@ -58,6 +58,21 @@ App Mesh example:
 
 Note that App Mesh supports a single condition.
 
+Contour example:
+
+```yaml
+  canaryAnalysis:
+    interval: 1m
+    threshold: 10
+    iterations: 2
+    match:
+      - headers:
+          user-agent:
+            prefix: "Chrome"
+```
+
+Note that Contour does not support regex, you can use prefix, suffix or exact.
+
 NGINX example:
 
 ```yaml

docs/gitbook/how-it-works.md

@@ -386,7 +386,7 @@ sum(
 )
 ```
 
-Envoy query (App Mesh or Gloo):
+Envoy query (App Mesh, Contour or Gloo):
 
 ```javascript
 sum(
@@ -439,7 +439,7 @@ histogram_quantile(0.99,
 )
 ```
 
-Envoy query (App Mesh or Gloo):
+Envoy query (App Mesh, Contour or Gloo):
 
 ```javascript
 histogram_quantile(0.99,