Update repo files for release 0.3.0 (#592)

Author: pleshakov

CHANGELOG.md

@@ -2,6 +2,45 @@
 
 This document includes a curated changelog for each release. We also publish a changelog as the description of a [GitHub release](https://github.com/nginxinc/nginx-kubernetes-gateway/releases), which, by contrast, is auto-generated and includes links to all PRs that went into the release.
 
+## Release 0.3.0
+
+*April 24, 2023*
+
+This release brings:
+- Extensive validation of Gateway API resources for robustness, security and correctness. See the [validation doc](https://github.com/nginxinc/nginx-kubernetes-gateway/blob/v0.3.0/docs/resource-validation.md)
+for more details.
+- Defined open-source development process for NGINX Kubernetes Gateway project. See the [Issue lifecycle doc](https://github.com/nginxinc/nginx-kubernetes-gateway/blob/v0.3.0/ISSUE_LIFECYCLE.md).
+- Miscellaneous enhancements and bug fixes.
+
+FEATURES:
+* Report proper Conditions in status of HTTPRoute and Gateway when GatewayClass is invalid or doesn't exist. [PR-576](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/576)
+* Implement NKG-specific field validation for GatewayClasses. [PR-295](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/495)
+* Implement NKG-specific field validation for HTTPRoutes. [PR-455](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/455)
+* Implement NKG-specific field validation for Gateways. [PR-407](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/407)
+* Run webhook validation rules inside NKG control plane. [PR-388](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/388)
+* Make NGINX error log visible in NGINX container logs. [PR-319](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/319)
+* Always generate a root "/" location block in NGINX config to handle unmatched requests with 404 response. [PR-356](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/356)
+
+BUG FIXES:
+* Fix HTTPRoute section name related bugs. [PR-568](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/568)
+* Fix Observed Generation for Gateway Status. [PR-351](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/351)
+* Fix status for parentRef with invalid listener in HTTPRoute. [PR-350](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/350)
+* Fix initContainer failure during pod restart. [PR-337](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/337). Thanks to [Tom Plant](https://github.com/pl4nty)
+* Generate default http server in NGINX if http listener exists in Gateway. [PR-320](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/320)
+
+DEPENDENCIES:
+* Bump sigs.k8s.io/gateway-api from 0.6.0 to 0.6.2. [PR-471](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/471)
+
+COMPATIBILITY:
+- The Gateway API version: `0.6.2`
+- NGINX version: `1.21.x` *
+- Kubernetes version: `1.21+`
+
+\*the installation manifests use the `nginx:1.21` image, which always points to the latest version of 1.21.x releases.
+
+CONTAINER IMAGES:
+- Control plane: `ghcr.io/nginxinc/nginx-kubernetes-gateway:0.3.0`
+
 ## Release 0.2.0
 
 *October 25, 2022*

README.md

@@ -20,7 +20,7 @@ For a list of supported Gateway API resources and features, see the [Gateway API
 
 We publish NGINX Kubernetes Gateway releases on GitHub. See our [releases page](https://github.com/nginxinc/nginx-kubernetes-gateway/releases).
 
-The latest release is [0.2.0](https://github.com/nginxinc/kubernetes-ingress/releases/tag/v0.2.0).
+The latest release is [0.3.0](https://github.com/nginxinc/kubernetes-ingress/releases/tag/v0.3.0).
 
 The edge version is useful for experimenting with new features that are not yet published in a release. To use, choose the *edge* version built from the [latest commit](https://github.com/nginxinc/nginx-kubernetes-gateway/commits/main) from the main branch.
 
@@ -35,7 +35,7 @@ The table below summarizes the options regarding the images, manifests, document
 
 | Version | Description | Image | Installation Manifests | Documentation and Examples |
 |-|-|-|-|-|
-| Latest release | For experimental use | Use the 0.2.0 image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway) | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.2.0/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.2.0/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.2.0/examples). |
+| Latest release | For experimental use | Use the 0.3.0 image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway) | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.3.0/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.3.0/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.3.0/examples). |
 | Edge| For experimental use and latest features | Use the edge image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway) | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/examples). |
 ## Technical Specifications
 
@@ -44,6 +44,7 @@ The following table lists the software versions NGINX Kubernetes Gateway support
 | NGINX Kubernetes Gateway | Gateway API | Kubernetes | NGINX OSS |
 |-|-|-|-|
 | Edge | 0.6.2 | 1.21+ | 1.21.x *|
+| 0.3.0 | 0.6.2 | 1.21+ | 1.21.x *|
 | 0.2.0 | 0.5.1 | 1.21+ | 1.21.x *|
 | 0.1.0 | 0.5.0 | 1.19+ | 1.21.3 |