diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ded3ed2..ebc9305e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,9 @@ jobs:
       - name: Checkout code into the Go module directory
         uses: actions/checkout@v2
 
+      - name: Validate license headers
+        run: make validate
+
       - name: Run golangci-lint
         run: |
           curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b . v1.30.0
diff --git a/Dockerfile b/Dockerfile
index 4c8d90a3..4bd56202 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-# syntax = docker/dockerfile:experimental
+# syntax=docker/dockerfile:experimental
+
+
 #   Copyright 2020 Docker, Inc.
 
 #   Licensed under the Apache License, Version 2.0 (the "License");
@@ -84,3 +86,10 @@ RUN --mount=target=. \
     BUILD_TAGS=${BUILD_TAGS} \
     GIT_TAG=${GIT_TAG} \
     make -f builder.Makefile test
+
+FROM base as check-license-headers
+RUN go get -u github.com/kunalkushwaha/ltag 
+RUN --mount=target=. \
+    --mount=type=cache,target=/root/.cache/go-build \
+    make -f builder.Makefile check-license-headers
+
diff --git a/Makefile b/Makefile
index 720c38a8..b04403ab 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-#   Copyright 2020 The 2020 Docker, Inc.
+#   Copyright 2020 Docker, Inc.
 
 #   Licensed under the Apache License, Version 2.0 (the "License");
 #   you may not use this file except in compliance with the License.
@@ -78,6 +78,9 @@ serve: cli ## start server
 moby-cli-link: ## create com.docker.cli symlink if does not already exist
 	ln -s $(MOBY_DOCKER) /usr/local/bin/com.docker.cli
 
+validate: ## check license header for all files
+	@docker build . --target check-license-headers
+
 help: ## Show help
 	@echo Please specify a build target. The choices are:
 	@grep -E '^[0-9a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
diff --git a/aci/aci_test.go b/aci/aci_test.go
index 145bf280..22efe8ea 100644
--- a/aci/aci_test.go
+++ b/aci/aci_test.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package aci
 
 import (
diff --git a/aci/convert/container.go b/aci/convert/container.go
index 6929e97f..742e7f7e 100644
--- a/aci/convert/container.go
+++ b/aci/convert/container.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package convert
 
 import (
diff --git a/aci/login/client.go b/aci/login/client.go
index ad92441b..6175fd2f 100644
--- a/aci/login/client.go
+++ b/aci/login/client.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package login
 
 import (
diff --git a/aci/login/storage_helper.go b/aci/login/storage_helper.go
index 51d04746..2cc5d59b 100644
--- a/aci/login/storage_helper.go
+++ b/aci/login/storage_helper.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package login
 
 import (
diff --git a/builder.Makefile b/builder.Makefile
index b5e13148..7b506911 100644
--- a/builder.Makefile
+++ b/builder.Makefile
@@ -56,6 +56,9 @@ test:
 lint:
 	golangci-lint run --timeout 10m0s ./...
 
+check-license-headers:
+	./scripts/validate/fileheader
+
 FORCE:
 
 .PHONY: all protos cli cross test lint
diff --git a/cli/cmd/login/azurelogin.go b/cli/cmd/login/azurelogin.go
index 4b7f3a28..433ad550 100644
--- a/cli/cmd/login/azurelogin.go
+++ b/cli/cmd/login/azurelogin.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package login
 
 import (
diff --git a/cli/cmd/logout/azure.go b/cli/cmd/logout/azure.go
index 478f821c..a976b800 100644
--- a/cli/cmd/logout/azure.go
+++ b/cli/cmd/logout/azure.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package logout
 
 import (
diff --git a/cli/cmd/logout/logout.go b/cli/cmd/logout/logout.go
index cfc63ed3..bea8a8e5 100644
--- a/cli/cmd/logout/logout.go
+++ b/cli/cmd/logout/logout.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package logout
 
 import (
diff --git a/cli/cmd/mobyflags/mobyflags.go b/cli/cmd/mobyflags/mobyflags.go
index dcce02d8..e6c7bcf1 100644
--- a/cli/cmd/mobyflags/mobyflags.go
+++ b/cli/cmd/mobyflags/mobyflags.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package mobyflags
 
 import (
diff --git a/cli/mobycli/delegate_ecs.go b/cli/mobycli/delegate_ecs.go
index dccc7e09..65415e8c 100644
--- a/cli/mobycli/delegate_ecs.go
+++ b/cli/mobycli/delegate_ecs.go
@@ -1,5 +1,21 @@
 // +build !ecs
 
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package mobycli
 
 import "github.com/docker/api/context/store"
diff --git a/cli/mobycli/exec_test.go b/cli/mobycli/exec_test.go
index ed186b89..8c1f18c2 100644
--- a/cli/mobycli/exec_test.go
+++ b/cli/mobycli/exec_test.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package mobycli
 
 import (
diff --git a/docs/install/install.sh b/docs/install/install.sh
index 62fd7427..aa680037 100755
--- a/docs/install/install.sh
+++ b/docs/install/install.sh
@@ -1,5 +1,20 @@
 #!/bin/sh
 
+#   Copyright 2020 Docker, Inc.
+
+#   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.
+
+
 # Script to install the Docker ACI integration CLI on Ubuntu (Beta).
 
 set -eu
diff --git a/ecs/backend.go b/ecs/backend.go
index 4997ecb9..156289e7 100644
--- a/ecs/backend.go
+++ b/ecs/backend.go
@@ -1,9 +1,12 @@
 /*
    Copyright 2020 Docker, Inc.
+
    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.
diff --git a/ecs/context.go b/ecs/context.go
index 46c2422e..e40202cb 100644
--- a/ecs/context.go
+++ b/ecs/context.go
@@ -1,9 +1,12 @@
 /*
    Copyright 2020 Docker, Inc.
+
    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.
diff --git a/ecs/doc.go b/ecs/doc.go
new file mode 100644
index 00000000..74f8b51d
--- /dev/null
+++ b/ecs/doc.go
@@ -0,0 +1,17 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
+package ecs
diff --git a/go.mod b/go.mod
index 172569e2..0f3a4472 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/Azure/go-autorest/autorest/validation v0.2.0 // indirect
 	github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5
 	github.com/Microsoft/hcsshim v0.8.9 // indirect
-	github.com/aws/aws-sdk-go v1.34.2
+	github.com/aws/aws-sdk-go v1.34.6
 	github.com/awslabs/goformation/v4 v4.14.0
 	github.com/buger/goterm v0.0.0-20200322175922-2f3e71b85129
 	github.com/compose-spec/compose-go v0.0.0-20200818070525-eb1188aae4a2
@@ -58,6 +58,6 @@ require (
 	google.golang.org/grpc v1.31.0
 	google.golang.org/protobuf v1.25.0
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	gopkg.in/ini.v1 v1.58.0
+	gopkg.in/ini.v1 v1.60.0
 	gotest.tools/v3 v3.0.2
 )
diff --git a/go.sum b/go.sum
index 32d81a88..2afc5e41 100644
--- a/go.sum
+++ b/go.sum
@@ -66,6 +66,8 @@ github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5
 github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/aws/aws-sdk-go v1.34.2 h1:9vCknCdTAmmV4ht7lPuda7aJXzllXwEQyCMZKJHjBrM=
 github.com/aws/aws-sdk-go v1.34.2/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
+github.com/aws/aws-sdk-go v1.34.6 h1:2aPXQGkR6xeheN5dns13mSoDWeUlj4wDmfZ+8ZDHauw=
+github.com/aws/aws-sdk-go v1.34.6/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/awslabs/goformation/v4 v4.14.0 h1:E2Pet9eIqA4qzt3dzzzE4YN83V4Kyfbcio0VokBC9TA=
 github.com/awslabs/goformation/v4 v4.14.0/go.mod h1:GcJULxCJfloT+3pbqCluXftdEK2AD/UqpS3hkaaBntg=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -534,6 +536,8 @@ gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.58.0 h1:VdDvTzv/005R8vEFyQ56bpEnOKTNPbpJhL0VCohxlQw=
 gopkg.in/ini.v1 v1.58.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.60.0 h1:P5ZzC7RJO04094NJYlEnBdFK2wwmnCAy/+7sAzvWs60=
+gopkg.in/ini.v1 v1.60.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
diff --git a/prompt/prompt.go b/prompt/prompt.go
index 34623b93..d23904cc 100644
--- a/prompt/prompt.go
+++ b/prompt/prompt.go
@@ -1,9 +1,12 @@
 /*
    Copyright 2020 Docker, Inc.
+
    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.
diff --git a/scripts/validate/fileheader b/scripts/validate/fileheader
new file mode 100755
index 00000000..5f07a6cd
--- /dev/null
+++ b/scripts/validate/fileheader
@@ -0,0 +1,28 @@
+#!/usr/bin/env sh
+
+#   Copyright The Compose Specification 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.
+
+
+set -eu -o pipefail
+
+if ! command -v ltag; then
+    >&2 echo "ERROR: ltag not found. Install with:"
+    >&2 echo "    go get -u github.com/kunalkushwaha/ltag"
+    exit 1
+fi
+
+BASEPATH="${1-}"
+
+ltag -t "${BASEPATH}scripts/validate/template" -excludes "validate testdata" --check -v
\ No newline at end of file
diff --git a/scripts/validate/template/bash.txt b/scripts/validate/template/bash.txt
new file mode 100644
index 00000000..6d89e617
--- /dev/null
+++ b/scripts/validate/template/bash.txt
@@ -0,0 +1,13 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
diff --git a/scripts/validate/template/dockerfile.txt b/scripts/validate/template/dockerfile.txt
new file mode 100644
index 00000000..6d89e617
--- /dev/null
+++ b/scripts/validate/template/dockerfile.txt
@@ -0,0 +1,13 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
diff --git a/scripts/validate/template/go.txt b/scripts/validate/template/go.txt
new file mode 100644
index 00000000..1cd85544
--- /dev/null
+++ b/scripts/validate/template/go.txt
@@ -0,0 +1,16 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
diff --git a/scripts/validate/template/makefile.txt b/scripts/validate/template/makefile.txt
new file mode 100644
index 00000000..6d89e617
--- /dev/null
+++ b/scripts/validate/template/makefile.txt
@@ -0,0 +1,13 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
diff --git a/server/proxy/containers_test.go b/server/proxy/containers_test.go
index 2c0aee2b..93fe228a 100644
--- a/server/proxy/containers_test.go
+++ b/server/proxy/containers_test.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package proxy
 
 import (
diff --git a/tests/composefiles/aci-demo/db/Dockerfile b/tests/composefiles/aci-demo/db/Dockerfile
index 35f0e855..69354138 100644
--- a/tests/composefiles/aci-demo/db/Dockerfile
+++ b/tests/composefiles/aci-demo/db/Dockerfile
@@ -1,3 +1,16 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
 FROM postgres:10.0-alpine
 
 COPY words.sql /docker-entrypoint-initdb.d/
diff --git a/tests/composefiles/aci-demo/web/Dockerfile b/tests/composefiles/aci-demo/web/Dockerfile
index 2dd000ae..47ed3686 100644
--- a/tests/composefiles/aci-demo/web/Dockerfile
+++ b/tests/composefiles/aci-demo/web/Dockerfile
@@ -1,3 +1,16 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
 # BUILD
 FROM ubuntu:latest
 
diff --git a/tests/composefiles/aci-demo/words/Dockerfile b/tests/composefiles/aci-demo/words/Dockerfile
index 6171e236..f2c7652c 100644
--- a/tests/composefiles/aci-demo/words/Dockerfile
+++ b/tests/composefiles/aci-demo/words/Dockerfile
@@ -1,3 +1,16 @@
+#   Copyright 2020 Docker, Inc.
+
+#   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.
 # BUILD
 FROM openjdk:8u171-jdk-alpine as build
 
diff --git a/utils/stringutils.go b/utils/stringutils.go
index 6febf8e9..d02a3a87 100644
--- a/utils/stringutils.go
+++ b/utils/stringutils.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   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.
+*/
+
 package utils
 
 // StringContains check if an array contains a specific value