diff --git a/.github/workflows/build_and_test.yaml b/.github/workflows/build_and_test.yaml
index 3af00cd4d7..51806edda2 100644
--- a/.github/workflows/build_and_test.yaml
+++ b/.github/workflows/build_and_test.yaml
@@ -1,3 +1,17 @@
+# Copyright 2022 Envoyproxy Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 name: Build and Test
 on:
   push:
diff --git a/Makefile b/Makefile
index aa7019df35..36c1d41c07 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,51 @@
+# Copyright 2022 Envoyproxy Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Tools
+ADDLICENSE = $(shell pwd)/bin/addlicense
+ADDLICENSE_VERSION = 1.0.0
+addlicense: ## Download addlicense.
+	$(call go-install-tool,$(ADDLICENSE),github.com/google/addlicense@v$(ADDLICENSE_VERSION))
+
+.PHONY: tools
+tools: ## Install all the tools needed for development using go install.
+	@$(MAKE) addlicense 
+
+# go-install-tool will 'go install' any package $2 and install it to $1.
+PROJECT_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+define go-install-tool
+@[ -f $(1) ] || { \
+set -e ;\
+TMP_DIR=$$(mktemp -d) ;\
+cd $$TMP_DIR ;\
+go mod init tmp ;\
+echo "Downloading $(2)" ;\
+GOBIN=$(PROJECT_DIR)/bin go install $(2) ;\
+rm -rf $$TMP_DIR ;\
+}
+endef
+
+license_ignore = -ignore changelogs 
+license_files  = .github Makefile cmd  
+.PHONY: license
+license: 
+	@$(ADDLICENSE) -c "Envoyproxy Authors" $(license_ignore) $(license_files)
+
+.PHONY: check
+check: tools ## Verify contents of last commit
+	@$(MAKE) license
+
 .PHONY: build
 build:
 	@go build -o ./bin/ github.com/envoyproxy/gateway/cmd/envoy-gateway