feat: migrate manifests from Ingress to Gateway API (HTTPRoute)

deploy/manifests/balancer/base/httproute.yaml

@@ -0,0 +1,18 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: balancer
+spec:
+  parentRefs:
+    - name: main-gateway
+      namespace: envoy-gateway-system
+  hostnames:
+    - HOSTNAME_PLACEHOLDER
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
+        - name: balancer
+          port: 80

deploy/manifests/balancer/base/kustomization.yaml

@@ -5,4 +5,4 @@ resources:
   - namespace.yaml
   - deployment.yaml
   - service.yaml
-  - ingress.yaml
+  - httproute.yaml

deploy/manifests/balancer/base/service.yaml

@@ -7,7 +7,7 @@ metadata:
 spec:
   ports:
     - name: http
-      port: 8000
+      port: 80
       targetPort: 8000
   selector:
     app: balancer

deploy/manifests/balancer/overlays/production/kustomization.yaml

@@ -0,0 +1,20 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: balancer
+
+resources:
+  - ../../base
+
+images:
+  - name: ghcr.io/codeforphilly/balancer-main/app
+    newTag: latest
+
+patches:
+  - target:
+      kind: HTTPRoute
+      name: balancer
+    patch: |-
+      - op: replace
+        path: /spec/hostnames/0
+        value: balancerproject.org

deploy/manifests/balancer/overlays/sandbox/kustomization.yaml

@@ -0,0 +1,20 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: balancer
+
+resources:
+  - ../../base
+
+images:
+  - name: ghcr.io/codeforphilly/balancer-main/app
+    newTag: latest
+
+patches:
+  - target:
+      kind: HTTPRoute
+      name: balancer
+    patch: |-
+      - op: replace
+        path: /spec/hostnames/0
+        value: sandbox.balancerproject.org