gateway-api

The "Introduction to Contour" link on the projectcontour.io landing page points to a blog from 2019 that references Contour v0.10, this link should be updated to point to something newer, or perhaps we could drop that entire section as it seems somewhat redundant with other ways to navigate the site.

What would you like to be added:

Refactor listenersMatch (added in #1081) and parentsMatch to be a single generic function, or at least wrappers around a single generic implementation of the core logic.

Why this is needed:

The core logic of these two functions is quite similar (searching for all expected items in a slice of actual items, including the unimplemented need to sup

The project should have code coverage reporting and enforce certain levels of code coverage for PRs. https://about.codecov.io/ is a good option that integrates well with GitHub and is free for open-source projects.

Bug Description

This config:

telemetry:
  tracing:
    otlp:
      endpoint: otlp.nr-data.net:4317
      grpc:
        metadata:
          "api-key": ${NEW_RELIC_LICENSE_KEY}

causes this error at startup:

2022-05-26T20:39:30.605914Z ERROR apollo_router::router_factory: plugin apollo.telemetry could not be configured: invalid type: map, expected a sequence
2022-

What is the motivation for adding / enhancing this feature?

There is an object product_links that needs to be mapped to the `vsf-catalo