From ad9cfe975492456d6c0e7f9a910225010e41a2c3 Mon Sep 17 00:00:00 2001
From: ADITYATIWARI342005
 <142050150+ADITYATIWARI342005@users.noreply.github.com>
Date: Fri, 7 Nov 2025 17:24:00 +0530
Subject: [PATCH 1/4] fix: update the .prettierignore and add the dependencies,
 remove,delete yamllint and requirements.txt update contributing.md

Signed-off-by: ADITYATIWARI342005 <142050150+ADITYATIWARI342005@users.noreply.github.com>
---
 .prettierignore                               | 31 +++++++++
 site/content/en/contributions/CONTRIBUTING.md |  2 +
 tools/github-actions/setup-deps/action.yaml   |  4 ++
 tools/go.mod                                  |  1 +
 tools/linter/yamllint/.yamllint               | 66 -------------------
 tools/make/lint.mk                            | 29 ++++++--
 tools/make/tools.mk                           |  1 -
 tools/src/yamllint/requirements.txt           |  1 -
 8 files changed, 60 insertions(+), 75 deletions(-)
 create mode 100644 .prettierignore
 delete mode 100644 tools/linter/yamllint/.yamllint
 delete mode 100644 tools/src/yamllint/requirements.txt

diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000000..4b7f4ed6649
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,31 @@
+# Ignore templated/generated or external directories for YAML formatting
+charts/gateway-helm/
+charts/gateway-addons-helm/
+charts/gateway-crds-helm/
+
+# Generated install bundle
+bin/install.yaml
+
+# Helm test charts
+test/helm/gateway-helm/
+test/helm/gateway-addons-helm/
+test/helm/gateway-crds-helm/
+
+# Example chart
+examples/extension-server/charts/extension-server
+
+# Third-party / editor dirs
+site/node_modules/
+.vscode/
+
+# exclude release-notes
+release-notes/*
+
+# testdata directories 
+**/testdata/**
+
+# GitHub workflows 
+.github/workflows/*
+
+# tools/github-actions 
+tools/github-actions/**
diff --git a/site/content/en/contributions/CONTRIBUTING.md b/site/content/en/contributions/CONTRIBUTING.md
index bdb9df9f3c9..9ae725a9e42 100644
--- a/site/content/en/contributions/CONTRIBUTING.md
+++ b/site/content/en/contributions/CONTRIBUTING.md
@@ -45,6 +45,8 @@ to the following guidelines for all code, APIs, and documentation:
 * Submit your PR.
 * Tests will automatically run for you.
 * We will **not** merge any PR that is not passing tests.
+* Before submitting, ensure YAML is formatted:
+  * Run `make format-yaml` to auto-format all tracked YAML files using go-prettier.
 * PRs are expected to have 100% test coverage for added code. This can be verified with a coverage
   build. If your PR cannot have 100% coverage for some reason please clearly explain why, when you
   open it.
diff --git a/tools/github-actions/setup-deps/action.yaml b/tools/github-actions/setup-deps/action.yaml
index 2202ac9ac7c..22087f06e19 100644
--- a/tools/github-actions/setup-deps/action.yaml
+++ b/tools/github-actions/setup-deps/action.yaml
@@ -10,3 +10,7 @@ runs:
       with:
         go-version-file: go.mod
         cache: true
+    - shell: bash
+      run: |
+        go install github.com/wasilibs/go-prettier/v3/cmd/prettier@latest
+        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
diff --git a/tools/go.mod b/tools/go.mod
index 914d83847c2..f6f15cf9309 100644
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -9,6 +9,7 @@ tool (
 	github.com/google/go-jsonnet/cmd/jsonnet
 	github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb
 	github.com/norwoodj/helm-docs/cmd/helm-docs
+	github.com/wasilibs/go-prettier/v3/cmd/prettier
 	golang.org/x/perf/cmd/benchstat
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc
 	google.golang.org/protobuf/cmd/protoc-gen-go
diff --git a/tools/linter/yamllint/.yamllint b/tools/linter/yamllint/.yamllint
deleted file mode 100644
index ae2e0b76bd2..00000000000
--- a/tools/linter/yamllint/.yamllint
+++ /dev/null
@@ -1,66 +0,0 @@
----
-
-ignore: |
-  # This directory fails checks since many files
-  # are templated. Instead, we run the linter
-  # after running `make generate-manifests` which creates
-  # the Install YAML in bin/
-  charts/gateway-helm/
-  charts/gateway-addons-helm/
-  charts/gateway-crds-helm/
-  bin/install.yaml
-  test/helm/gateway-helm/
-  test/helm/gateway-addons-helm/
-  test/helm/gateway-crds-helm/
-  examples/extension-server/charts/extension-server
-  site/node_modules/
-  .vscode/
-
-rules:
-  braces:
-    min-spaces-inside: 0
-    max-spaces-inside: 0
-    min-spaces-inside-empty: -1
-    max-spaces-inside-empty: -1
-  brackets:
-    min-spaces-inside: 0
-    max-spaces-inside: 1
-    min-spaces-inside-empty: -1
-    max-spaces-inside-empty: -1
-  colons:
-    max-spaces-before: 0
-    max-spaces-after: 1
-  commas:
-    max-spaces-before: 1
-    min-spaces-after: 1
-    max-spaces-after: 1
-  comments:
-    level: error
-    require-starting-space: true
-    min-spaces-from-content: 2
-  comments-indentation:
-    level: warning
-  document-end: disable
-  document-start: disable
-  empty-lines:
-    max: 2
-    max-start: 0
-    max-end: 1
-  empty-values:
-    forbid-in-block-mappings: false
-    forbid-in-flow-mappings: true
-  hyphens:
-    max-spaces-after: 1
-  indentation:
-    spaces: 2
-    indent-sequences: consistent  # be consistent: don't mix indentation styles in one file.
-    check-multi-line-strings: false
-  key-duplicates: enable
-  key-ordering: disable
-  new-line-at-end-of-file: enable
-  new-lines:
-    type: unix
-  trailing-spaces: enable
-  truthy:
-    check-keys: false   # GitHub Actions uses "on:" as a key
-    level: warning
diff --git a/tools/make/lint.mk b/tools/make/lint.mk
index 43db54cc136..2be32ca8319 100644
--- a/tools/make/lint.mk
+++ b/tools/make/lint.mk
@@ -8,7 +8,27 @@ GITHUB_ACTION ?=
 LINT_BUILD_TAGS ?= e2e,celvalidation,conformance,experimental,benchmark,resilience,integration
 
 .PHONY: lint
-lint: ## Run all linter of code sources, including golint, yamllint, whitenoise lint and codespell.
+lint: ## Run all linter of code sources, including golint, whitenoise lint and codespell.
+
+# Format YAML files with go-prettier for consistent style.
+.PHONY: format-yaml
+format-yaml: ## Format YAML files with go-prettier
+	@$(LOG_TARGET)
+	@files="$$(git ls-files :*.yml :*.yaml)"; \
+	 if [ -n "$$files" ]; then \
+	   prettier -w $$files; \
+	 fi
+
+.PHONY: check-format-yaml
+check-format-yaml: ## Check YAML formatting with go-prettier (no changes)
+	@$(LOG_TARGET)
+	@files="$$(git ls-files :*.yml :*.yaml)"; \
+	 if [ -n "$$files" ]; then \
+	   prettier --check $$files; \
+	 fi
+
+# Run YAML format check as part of gen-check to integrate with existing CI
+gen-check: check-format-yaml
 
 # lint-deps is run separately in CI to separate the tooling install logs from the actual output logs generated
 # by the lint tooling.
@@ -22,12 +42,7 @@ lint.golint:
 	@$(LOG_TARGET)
 	$(GO_TOOL) golangci-lint run $(GOLANGCI_LINT_FLAGS) --build-tags=$(LINT_BUILD_TAGS) --config=tools/linter/golangci-lint/.golangci.yml
 
-.PHONY: lint.yamllint
-lint: lint.yamllint
-lint-deps: $(tools/yamllint)
-lint.yamllint: $(tools/yamllint)
-	@$(LOG_TARGET)
-	$(tools/yamllint) --config-file=tools/linter/yamllint/.yamllint $$(git ls-files :*.yml :*.yaml | xargs -L1 dirname | sort -u)
+
 
 CODESPELL_FLAGS ?= $(if $(GITHUB_ACTION),--disable-colors)
 .PHONY: lint.codespell
diff --git a/tools/make/tools.mk b/tools/make/tools.mk
index e1bb44c0212..3f225b55ee9 100644
--- a/tools/make/tools.mk
+++ b/tools/make/tools.mk
@@ -14,7 +14,6 @@ $(tools.bindir)/%: $(tools.srcdir)/%.sh
 # =========================
 #
 tools/codespell    = $(tools.bindir)/codespell
-tools/yamllint     = $(tools.bindir)/yamllint
 tools/sphinx-build = $(tools.bindir)/sphinx-build
 tools/release-notes-docs = $(tools.bindir)/release-notes-docs
 $(tools.bindir)/%.d/venv: $(tools.srcdir)/%/requirements.txt
diff --git a/tools/src/yamllint/requirements.txt b/tools/src/yamllint/requirements.txt
deleted file mode 100644
index 99c78bd3112..00000000000
--- a/tools/src/yamllint/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-yamllint==1.37.1

From 9d0219cb5be9a161f56a8cbfa5d6605bdca06728 Mon Sep 17 00:00:00 2001
From: ADITYATIWARI342005
 <142050150+ADITYATIWARI342005@users.noreply.github.com>
Date: Fri, 7 Nov 2025 17:51:22 +0530
Subject: [PATCH 2/4] remove the testdata files from .prettierignore

Signed-off-by: ADITYATIWARI342005 <142050150+ADITYATIWARI342005@users.noreply.github.com>
---
 .prettierignore | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/.prettierignore b/.prettierignore
index 4b7f4ed6649..747be4ded0d 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -21,9 +21,6 @@ site/node_modules/
 # exclude release-notes
 release-notes/*
 
-# testdata directories 
-**/testdata/**
-
 # GitHub workflows 
 .github/workflows/*
 

From b54fa7ab5e206a7d6807e5aace27bf859babd626 Mon Sep 17 00:00:00 2001
From: ADITYATIWARI342005
 <142050150+ADITYATIWARI342005@users.noreply.github.com>
Date: Fri, 7 Nov 2025 18:51:19 +0530
Subject: [PATCH 3/4] fix: update .prettierignore for correct directories,
 remove unwanted block of setup from action.yaml, remove unwanted .phony
 blocks from lint.mk and install proper go dependency in tools.mk

Signed-off-by: ADITYATIWARI342005 <142050150+ADITYATIWARI342005@users.noreply.github.com>
---
 .prettierignore                             |  8 ------
 tools/github-actions/setup-deps/action.yaml |  4 ---
 tools/make/lint.mk                          | 28 ++++++++-------------
 tools/make/tools.mk                         | 13 ++++++++++
 4 files changed, 23 insertions(+), 30 deletions(-)

diff --git a/.prettierignore b/.prettierignore
index 747be4ded0d..196e5e7bd6f 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,19 +2,11 @@
 charts/gateway-helm/
 charts/gateway-addons-helm/
 charts/gateway-crds-helm/
-
-# Generated install bundle
 bin/install.yaml
-
-# Helm test charts
 test/helm/gateway-helm/
 test/helm/gateway-addons-helm/
 test/helm/gateway-crds-helm/
-
-# Example chart
 examples/extension-server/charts/extension-server
-
-# Third-party / editor dirs
 site/node_modules/
 .vscode/
 
diff --git a/tools/github-actions/setup-deps/action.yaml b/tools/github-actions/setup-deps/action.yaml
index 22087f06e19..2202ac9ac7c 100644
--- a/tools/github-actions/setup-deps/action.yaml
+++ b/tools/github-actions/setup-deps/action.yaml
@@ -10,7 +10,3 @@ runs:
       with:
         go-version-file: go.mod
         cache: true
-    - shell: bash
-      run: |
-        go install github.com/wasilibs/go-prettier/v3/cmd/prettier@latest
-        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
diff --git a/tools/make/lint.mk b/tools/make/lint.mk
index 2be32ca8319..4099b80cdec 100644
--- a/tools/make/lint.mk
+++ b/tools/make/lint.mk
@@ -10,31 +10,26 @@ LINT_BUILD_TAGS ?= e2e,celvalidation,conformance,experimental,benchmark,resilien
 .PHONY: lint
 lint: ## Run all linter of code sources, including golint, whitenoise lint and codespell.
 
+# lint-deps is run separately in CI to separate the tooling install logs from the actual output logs generated
+# by the lint tooling.
+.PHONY: lint-deps
+lint-deps: $(tools/prettier) ## Everything necessary to lint
+
 # Format YAML files with go-prettier for consistent style.
-.PHONY: format-yaml
-format-yaml: ## Format YAML files with go-prettier
+format-yaml: $(tools/prettier)
 	@$(LOG_TARGET)
 	@files="$$(git ls-files :*.yml :*.yaml)"; \
 	 if [ -n "$$files" ]; then \
-	   prettier -w $$files; \
+	   $(tools/prettier) -w $$files; \
 	 fi
 
-.PHONY: check-format-yaml
-check-format-yaml: ## Check YAML formatting with go-prettier (no changes)
+check-format-yaml: $(tools/prettier)
 	@$(LOG_TARGET)
 	@files="$$(git ls-files :*.yml :*.yaml)"; \
 	 if [ -n "$$files" ]; then \
-	   prettier --check $$files; \
+	   $(tools/prettier) --check $$files; \
 	 fi
 
-# Run YAML format check as part of gen-check to integrate with existing CI
-gen-check: check-format-yaml
-
-# lint-deps is run separately in CI to separate the tooling install logs from the actual output logs generated
-# by the lint tooling.
-.PHONY: lint-deps
-lint-deps: ## Everything necessary to lint
-
 GOLANGCI_LINT_FLAGS ?=
 .PHONY: lint.golint
 lint: lint.golint
@@ -42,8 +37,6 @@ lint.golint:
 	@$(LOG_TARGET)
 	$(GO_TOOL) golangci-lint run $(GOLANGCI_LINT_FLAGS) --build-tags=$(LINT_BUILD_TAGS) --config=tools/linter/golangci-lint/.golangci.yml
 
-
-
 CODESPELL_FLAGS ?= $(if $(GITHUB_ACTION),--disable-colors)
 .PHONY: lint.codespell
 lint: lint.codespell
@@ -75,7 +68,6 @@ lint.whitenoise: $(tools/whitenoise)
 	@$(LOG_TARGET)
 	$(tools/whitenoise)
 
-
 .PHONY: lint.shellcheck
 lint: lint.shellcheck
 lint-deps: $(tools/shellcheck)
@@ -92,7 +84,7 @@ lint.fix-golint:
 	$(MAKE) lint.golint GOLANGCI_LINT_FLAGS="--fix"
 
 .PHONY: gen-check
-gen-check: format generate manifests protos go.testdata.complete
+gen-check: check-format-yaml format generate manifests protos go.testdata.complete
 	@$(LOG_TARGET)
 	@if [ ! -z "`git status --porcelain`" ]; then \
 		$(call errorlog, ERROR: Some files need to be updated, please run 'make generate', 'make manifests' and 'make protos' to include any changed files to your PR); \
diff --git a/tools/make/tools.mk b/tools/make/tools.mk
index 3f225b55ee9..7afc61d3c3c 100644
--- a/tools/make/tools.mk
+++ b/tools/make/tools.mk
@@ -10,6 +10,19 @@ $(tools.bindir)/%: $(tools.srcdir)/%.sh
 	mkdir -p $(@D)
 	install $< $@
 
+# Go tools
+# ========
+# IMPORTANT: Must come before pip section to avoid pattern rule conflicts
+#
+tools/buf          = $(tools.bindir)/buf
+tools/kind         = $(tools.bindir)/kind
+tools/prettier     = $(tools.bindir)/prettier
+
+$(tools.bindir)/%: $(tools.srcdir)/go.mod $(tools.srcdir)/go.sum
+	@mkdir -p $(@D)
+	@echo "Installing Go tool: $*"
+	cd $(tools.srcdir) && GOBIN=$(CURDIR)/$(tools.bindir) go install $$(go list -m -f '{{.Path}}' all | grep '/$*$$' || go list -m -f '{{.Path}}/cmd/$*' all | grep '/cmd/$*$$')
+
 # `pip install`-able things
 # =========================
 #

From 652403ce6632a7d940f707cc6d5deb5e7f5727a8 Mon Sep 17 00:00:00 2001
From: ADITYA TIWARI <142050150+ADITYATIWARI342005@users.noreply.github.com>
Date: Mon, 10 Nov 2025 16:26:43 +0000
Subject: [PATCH 4/4] format: yaml files

Signed-off-by: ADITYA TIWARI <142050150+ADITYATIWARI342005@users.noreply.github.com>
---
 examples/admin-console-config.yaml            |  34 ++---
 examples/kubernetes/jwt/grpc-jwt.yaml         |  22 +--
 examples/kubernetes/jwt/jwt.yaml              |  56 +++----
 .../kubernetes/metric/stats-compression.yaml  |   2 +-
 examples/standalone/quickstart.yaml           |   2 +-
 .../manifests/httproute.yaml                  |   1 +
 .../translate/in/backend-endpoint.yaml        |   2 +-
 .../translate/in/rejected-http-route.yaml     |   1 -
 .../translate/out/invalid-envoyproxy.all.yaml |  10 +-
 .../testdata/decoder/in/gateway-ns-watch.yaml |   4 +-
 .../backend-invalid-hostname-address.in.yaml  |   6 +-
 .../backend-invalid-hostname-address.out.yaml | 142 +++++++++---------
 .../backend-with-localhost-host-infra.in.yaml |   4 +-
 ...backend-with-localhost-host-infra.out.yaml |  68 ++++-----
 14 files changed, 178 insertions(+), 176 deletions(-)

diff --git a/examples/admin-console-config.yaml b/examples/admin-console-config.yaml
index 7fda3fc39b4..1ed6518fc0b 100644
--- a/examples/admin-console-config.yaml
+++ b/examples/admin-console-config.yaml
@@ -16,8 +16,8 @@ spec:
       watch:
         type: Namespaces
         namespaces:
-        - default
-        - app-namespace
+          - default
+          - app-namespace
 
   # Admin server configuration
   admin:
@@ -54,11 +54,11 @@ spec:
       prometheus:
         disable: false
       sinks:
-      - type: OpenTelemetry
-        openTelemetry:
-          host: otel-collector.monitoring.svc.cluster.local
-          port: 4317
-          protocol: grpc
+        - type: OpenTelemetry
+          openTelemetry:
+            host: otel-collector.monitoring.svc.cluster.local
+            port: 4317
+            protocol: grpc
 
 ---
 # Example: Production configuration with console disabled
@@ -77,8 +77,8 @@ spec:
       watch:
         type: Namespaces
         namespaces:
-        - production
-        - staging
+          - production
+          - staging
 
   # Production admin configuration - more restrictive
   admin:
@@ -117,9 +117,9 @@ spec:
       watch:
         type: Namespaces
         namespaces:
-        - default
-        - development
-        - testing
+          - default
+          - development
+          - testing
 
   # Development admin configuration - all features enabled
   admin:
@@ -148,8 +148,8 @@ spec:
       prometheus:
         disable: false
       sinks:
-      - type: OpenTelemetry
-        openTelemetry:
-          host: jaeger-collector.observability.svc.cluster.local
-          port: 4317
-          protocol: grpc
+        - type: OpenTelemetry
+          openTelemetry:
+            host: jaeger-collector.observability.svc.cluster.local
+            port: 4317
+            protocol: grpc
diff --git a/examples/kubernetes/jwt/grpc-jwt.yaml b/examples/kubernetes/jwt/grpc-jwt.yaml
index c841ddb7225..8c4aebd3bc5 100644
--- a/examples/kubernetes/jwt/grpc-jwt.yaml
+++ b/examples/kubernetes/jwt/grpc-jwt.yaml
@@ -9,9 +9,9 @@ spec:
     name: yages
   jwt:
     providers:
-    - name: example
-      remoteJWKS:
-        uri: https://raw.githubusercontent.com/envoyproxy/gateway/main/examples/kubernetes/jwt/jwks.json
+      - name: example
+        remoteJWKS:
+          uri: https://raw.githubusercontent.com/envoyproxy/gateway/main/examples/kubernetes/jwt/jwks.json
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: GRPCRoute
@@ -21,13 +21,13 @@ metadata:
     example: grpc-routing
 spec:
   parentRefs:
-  - name: example-gateway
+    - name: example-gateway
   hostnames:
-  - "grpc-example.com"
+    - "grpc-example.com"
   rules:
-  - backendRefs:
-    - group: ""
-      kind: Service
-      name: yages
-      port: 9000
-      weight: 1
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: yages
+          port: 9000
+          weight: 1
diff --git a/examples/kubernetes/jwt/jwt.yaml b/examples/kubernetes/jwt/jwt.yaml
index a5ba7f4c100..591d0311e50 100644
--- a/examples/kubernetes/jwt/jwt.yaml
+++ b/examples/kubernetes/jwt/jwt.yaml
@@ -9,10 +9,10 @@ spec:
     name: foo
   jwt:
     providers:
-    - name: example
-      remoteJWKS:
-        uri: https://raw.githubusercontent.com/envoyproxy/gateway/main/examples/kubernetes/jwt/jwks.json
-        cacheDuration: 60s
+      - name: example
+        remoteJWKS:
+          uri: https://raw.githubusercontent.com/envoyproxy/gateway/main/examples/kubernetes/jwt/jwks.json
+          cacheDuration: 60s
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: HTTPRoute
@@ -20,20 +20,20 @@ metadata:
   name: foo
 spec:
   parentRefs:
-  - name: eg
+    - name: eg
   hostnames:
-  - "www.example.com"
+    - "www.example.com"
   rules:
-  - backendRefs:
-    - group: ""
-      kind: Service
-      name: backend
-      port: 3000
-      weight: 1
-    matches:
-    - path:
-        type: PathPrefix
-        value: /foo
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: backend
+          port: 3000
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /foo
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: HTTPRoute
@@ -41,17 +41,17 @@ metadata:
   name: bar
 spec:
   parentRefs:
-  - name: eg
+    - name: eg
   hostnames:
-  - "www.example.com"
+    - "www.example.com"
   rules:
-  - backendRefs:
-    - group: ""
-      kind: Service
-      name: backend
-      port: 3000
-      weight: 1
-    matches:
-    - path:
-        type: PathPrefix
-        value: /bar
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: backend
+          port: 3000
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /bar
diff --git a/examples/kubernetes/metric/stats-compression.yaml b/examples/kubernetes/metric/stats-compression.yaml
index e3a183665c3..4c650656090 100644
--- a/examples/kubernetes/metric/stats-compression.yaml
+++ b/examples/kubernetes/metric/stats-compression.yaml
@@ -20,4 +20,4 @@ spec:
     metrics:
       prometheus:
         compression:
-          type: Gzip  ## Supported types are Gzip, Brotli, and Zstd
+          type: Gzip ## Supported types are Gzip, Brotli, and Zstd
diff --git a/examples/standalone/quickstart.yaml b/examples/standalone/quickstart.yaml
index 4ccf2ce8efd..e7a5cda07e5 100644
--- a/examples/standalone/quickstart.yaml
+++ b/examples/standalone/quickstart.yaml
@@ -42,5 +42,5 @@ metadata:
 spec:
   endpoints:
     - ip:
-        address: 0.0.0.0  # this address is for demo purpose only, do not use it in production!
+        address: 0.0.0.0 # this address is for demo purpose only, do not use it in production!
         port: 3000
diff --git a/examples/static-file-server/manifests/httproute.yaml b/examples/static-file-server/manifests/httproute.yaml
index beaefdbb423..adb7fcabd03 100644
--- a/examples/static-file-server/manifests/httproute.yaml
+++ b/examples/static-file-server/manifests/httproute.yaml
@@ -20,3 +20,4 @@ spec:
             type: PathPrefix
             value: /wasm
 ---
+
diff --git a/internal/cmd/egctl/testdata/translate/in/backend-endpoint.yaml b/internal/cmd/egctl/testdata/translate/in/backend-endpoint.yaml
index 867a1ec4440..a1b060ee97c 100644
--- a/internal/cmd/egctl/testdata/translate/in/backend-endpoint.yaml
+++ b/internal/cmd/egctl/testdata/translate/in/backend-endpoint.yaml
@@ -51,7 +51,7 @@ metadata:
   name: example-com-tls-policy
 spec:
   targetRefs:
-    - group: 'gateway.envoyproxy.io'
+    - group: "gateway.envoyproxy.io"
       kind: Backend
       name: backend
   validation:
diff --git a/internal/cmd/egctl/testdata/translate/in/rejected-http-route.yaml b/internal/cmd/egctl/testdata/translate/in/rejected-http-route.yaml
index 6979c77c15e..6a96acfad6d 100644
--- a/internal/cmd/egctl/testdata/translate/in/rejected-http-route.yaml
+++ b/internal/cmd/egctl/testdata/translate/in/rejected-http-route.yaml
@@ -34,4 +34,3 @@ spec:
         - path:
             type: PathPrefix
             value: /
-
diff --git a/internal/cmd/egctl/testdata/translate/out/invalid-envoyproxy.all.yaml b/internal/cmd/egctl/testdata/translate/out/invalid-envoyproxy.all.yaml
index 0b837379b81..d3240abcb15 100644
--- a/internal/cmd/egctl/testdata/translate/out/invalid-envoyproxy.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/invalid-envoyproxy.all.yaml
@@ -36,8 +36,8 @@ gatewayClass:
       namespace: default
   status:
     conditions:
-    - lastTransitionTime: null
-      message: 'Invalid parametersRef: dynamic_resources cannot be modified'
-      reason: InvalidParameters
-      status: "False"
-      type: Accepted
+      - lastTransitionTime: null
+        message: "Invalid parametersRef: dynamic_resources cannot be modified"
+        reason: InvalidParameters
+        status: "False"
+        type: Accepted
diff --git a/internal/envoygateway/config/testdata/decoder/in/gateway-ns-watch.yaml b/internal/envoygateway/config/testdata/decoder/in/gateway-ns-watch.yaml
index 44c995fc64d..25d305c962c 100644
--- a/internal/envoygateway/config/testdata/decoder/in/gateway-ns-watch.yaml
+++ b/internal/envoygateway/config/testdata/decoder/in/gateway-ns-watch.yaml
@@ -8,5 +8,5 @@ provider:
     watch:
       type: Namespaces
       namespaces:
-      - ns-a
-      - ns-b
+        - ns-a
+        - ns-b
diff --git a/internal/gatewayapi/testdata/backend-invalid-hostname-address.in.yaml b/internal/gatewayapi/testdata/backend-invalid-hostname-address.in.yaml
index 81aca19efd8..2a31ca639ac 100644
--- a/internal/gatewayapi/testdata/backend-invalid-hostname-address.in.yaml
+++ b/internal/gatewayapi/testdata/backend-invalid-hostname-address.in.yaml
@@ -7,7 +7,7 @@ backends:
     spec:
       endpoints:
         - fqdn:
-            hostname: '*.foo.com'
+            hostname: "*.foo.com"
             port: 3000
   - apiVersion: gateway.envoyproxy.io/v1alpha1
     kind: Backend
@@ -17,7 +17,7 @@ backends:
     spec:
       endpoints:
         - fqdn:
-            hostname: 'localhost'
+            hostname: "localhost"
             port: 3000
   - apiVersion: gateway.envoyproxy.io/v1alpha1
     kind: Backend
@@ -27,7 +27,7 @@ backends:
     spec:
       endpoints:
         - ip:
-            address: '127.0.0.3'
+            address: "127.0.0.3"
             port: 3000
   - apiVersion: gateway.envoyproxy.io/v1alpha1
     kind: Backend
diff --git a/internal/gatewayapi/testdata/backend-invalid-hostname-address.out.yaml b/internal/gatewayapi/testdata/backend-invalid-hostname-address.out.yaml
index 52d591a8423..56cc9c905a4 100644
--- a/internal/gatewayapi/testdata/backend-invalid-hostname-address.out.yaml
+++ b/internal/gatewayapi/testdata/backend-invalid-hostname-address.out.yaml
@@ -1,73 +1,75 @@
 backends:
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-fqdn
-    namespace: default
-  spec:
-    endpoints:
-    - fqdn:
-        hostname: '*.foo.com'
-        port: 3000
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: 'The Backend was not accepted: hostname *.foo.com is not a valid FQDN'
-      reason: Accepted
-      status: "False"
-      type: Invalid
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-fqdn
-    namespace: default
-  spec:
-    endpoints:
-    - fqdn:
-        hostname: localhost
-        port: 3000
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: 'The Backend was not accepted: hostname localhost should be a domain
-        with at least two segments separated by dots'
-      reason: Accepted
-      status: "False"
-      type: Invalid
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-fqdn
-    namespace: default
-  spec:
-    endpoints:
-    - ip:
-        address: 127.0.0.3
-        port: 3000
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: 'The Backend was not accepted: IP address 127.0.0.3 in the loopback
-        range is only supported when using the Host infrastructure'
-      reason: Accepted
-      status: "False"
-      type: Invalid
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-ip
-    namespace: default
-  spec:
-    endpoints:
-    - ip:
-        address: example.com
-        port: 3001
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: 'The Backend was not accepted: IP address example.com is invalid'
-      reason: Accepted
-      status: "False"
-      type: Invalid
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-fqdn
+      namespace: default
+    spec:
+      endpoints:
+        - fqdn:
+            hostname: "*.foo.com"
+            port: 3000
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message: "The Backend was not accepted: hostname *.foo.com is not a valid FQDN"
+          reason: Accepted
+          status: "False"
+          type: Invalid
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-fqdn
+      namespace: default
+    spec:
+      endpoints:
+        - fqdn:
+            hostname: localhost
+            port: 3000
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message:
+            "The Backend was not accepted: hostname localhost should be a domain
+            with at least two segments separated by dots"
+          reason: Accepted
+          status: "False"
+          type: Invalid
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-fqdn
+      namespace: default
+    spec:
+      endpoints:
+        - ip:
+            address: 127.0.0.3
+            port: 3000
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message:
+            "The Backend was not accepted: IP address 127.0.0.3 in the loopback
+            range is only supported when using the Host infrastructure"
+          reason: Accepted
+          status: "False"
+          type: Invalid
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-ip
+      namespace: default
+    spec:
+      endpoints:
+        - ip:
+            address: example.com
+            port: 3001
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message: "The Backend was not accepted: IP address example.com is invalid"
+          reason: Accepted
+          status: "False"
+          type: Invalid
 infraIR: {}
 xdsIR: {}
diff --git a/internal/gatewayapi/testdata/backend-with-localhost-host-infra.in.yaml b/internal/gatewayapi/testdata/backend-with-localhost-host-infra.in.yaml
index ea3aaa1eb96..786925dfe49 100644
--- a/internal/gatewayapi/testdata/backend-with-localhost-host-infra.in.yaml
+++ b/internal/gatewayapi/testdata/backend-with-localhost-host-infra.in.yaml
@@ -7,7 +7,7 @@ backends:
     spec:
       endpoints:
         - fqdn:
-            hostname: 'localhost'
+            hostname: "localhost"
             port: 3000
   - apiVersion: gateway.envoyproxy.io/v1alpha1
     kind: Backend
@@ -17,5 +17,5 @@ backends:
     spec:
       endpoints:
         - ip:
-            address: '127.0.0.3'
+            address: "127.0.0.3"
             port: 3000
diff --git a/internal/gatewayapi/testdata/backend-with-localhost-host-infra.out.yaml b/internal/gatewayapi/testdata/backend-with-localhost-host-infra.out.yaml
index 0a14359f6c9..0f1820bc296 100644
--- a/internal/gatewayapi/testdata/backend-with-localhost-host-infra.out.yaml
+++ b/internal/gatewayapi/testdata/backend-with-localhost-host-infra.out.yaml
@@ -1,37 +1,37 @@
 backends:
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-fqdn
-    namespace: default
-  spec:
-    endpoints:
-    - fqdn:
-        hostname: localhost
-        port: 3000
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: The Backend was accepted
-      reason: Accepted
-      status: "True"
-      type: Accepted
-- apiVersion: gateway.envoyproxy.io/v1alpha1
-  kind: Backend
-  metadata:
-    name: backend-fqdn
-    namespace: default
-  spec:
-    endpoints:
-    - ip:
-        address: 127.0.0.3
-        port: 3000
-  status:
-    conditions:
-    - lastTransitionTime: null
-      message: The Backend was accepted
-      reason: Accepted
-      status: "True"
-      type: Accepted
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-fqdn
+      namespace: default
+    spec:
+      endpoints:
+        - fqdn:
+            hostname: localhost
+            port: 3000
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message: The Backend was accepted
+          reason: Accepted
+          status: "True"
+          type: Accepted
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-fqdn
+      namespace: default
+    spec:
+      endpoints:
+        - ip:
+            address: 127.0.0.3
+            port: 3000
+    status:
+      conditions:
+        - lastTransitionTime: null
+          message: The Backend was accepted
+          reason: Accepted
+          status: "True"
+          type: Accepted
 infraIR: {}
 xdsIR: {}