restored files

CHANGELOG.md

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+## [project-title] Changelog
+
+<a name="x.y.z"></a>
+# x.y.z (yyyy-mm-dd)
+
+*Features*
+* ...
+
+*Bug Fixes*
+* ...
+
+*Breaking Changes*
+* ...

CONTRIBUTING.md

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+# Contributing to [project-title]
+
+This project welcomes contributions and suggestions.  Most contributions require you to agree to a
+Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
+the rights to use your contribution. For details, visit https://cla.microsoft.com.
+
+When you submit a pull request, a CLA-bot will automatically determine whether you need to provide
+a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions
+provided by the bot. You will only need to do this once across all repos using our CLA.
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
+contact [[email protected]](mailto:[email protected]) with any additional questions or comments.
+
+ - [Code of Conduct](#coc)
+ - [Issues and Bugs](#issue)
+ - [Feature Requests](#feature)
+ - [Submission Guidelines](#submit)
+
+## <a name="coc"></a> Code of Conduct
+Help us keep this project open and inclusive. Please read and follow our [Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+
+## <a name="issue"></a> Found an Issue?
+If you find a bug in the source code or a mistake in the documentation, you can help us by
+[submitting an issue](#submit-issue) to the GitHub Repository. Even better, you can
+[submit a Pull Request](#submit-pr) with a fix.
+
+## <a name="feature"></a> Want a Feature?
+You can *request* a new feature by [submitting an issue](#submit-issue) to the GitHub
+Repository. If you would like to *implement* a new feature, please submit an issue with
+a proposal for your work first, to be sure that we can use it.
+
+* **Small Features** can be crafted and directly [submitted as a Pull Request](#submit-pr).
+
+## <a name="submit"></a> Submission Guidelines
+
+### <a name="submit-issue"></a> Submitting an Issue
+Before you submit an issue, search the archive, maybe your question was already answered.
+
+If your issue appears to be a bug, and hasn't been reported, open a new issue.
+Help us to maximize the effort we can spend fixing issues and adding new
+features, by not reporting duplicate issues.  Providing the following information will increase the
+chances of your issue being dealt with quickly:
+
+* **Overview of the Issue** - if an error is being thrown a non-minified stack trace helps
+* **Version** - what version is affected (e.g. 0.1.2)
+* **Motivation for or Use Case** - explain what are you trying to do and why the current behavior is a bug for you
+* **Browsers and Operating System** - is this a problem with all browsers?
+* **Reproduce the Error** - provide a live example or a unambiguous set of steps
+* **Related Issues** - has a similar issue been reported before?
+* **Suggest a Fix** - if you can't fix the bug yourself, perhaps you can point to what might be
+  causing the problem (line of code or commit)
+
+You can file new issues by providing the above information at the corresponding repository's issues link: https://github.com/[organization-name]/[repository-name]/issues/new].
+
+### <a name="submit-pr"></a> Submitting a Pull Request (PR)
+Before you submit your Pull Request (PR) consider the following guidelines:
+
+* Search the repository (https://github.com/[organization-name]/[repository-name]/pulls) for an open or closed PR
+  that relates to your submission. You don't want to duplicate effort.
+
+* Make your changes in a new git fork:
+
+* Commit your changes using a descriptive commit message
+* Push your fork to GitHub:
+* In GitHub, create a pull request
+* If we suggest changes then:
+  * Make the required updates.
+  * Rebase your fork and force push to your GitHub repository (this will update your Pull Request):
+
+    ```shell
+    git rebase master -i
+    git push -f
+    ```
+
+That's it! Thank you for your contribution!

Dockerfile

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+FROM node:9-alpine
+
+COPY . /src
+RUN cd /src && npm install
+EXPOSE 80
+CMD ["node", "/src/server.js"]

Dockerfile-app

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+ARG REGISTRY_NAME
+FROM ${REGISTRY_NAME}/baseimages/node:9-alpine
+
+COPY . /src
+RUN cd /src && npm install
+EXPOSE 80
+CMD ["node", "/src/server.js"]

Dockerfile-base

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+FROM node:9-alpine
+ENV NODE_VERSION 9.11.2

LICENSE.md

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+    MIT License
+
+    Copyright (c) Microsoft Corporation. All rights reserved.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE

README.md

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+# ACR Build Hello World
+
+This Node.js application is for use in demonstrating scenarios for Azure Container Registry Tasks. [ACR Tasks](https://docs.microsoft.com/azure/container-registry/container-registry-tasks-overview) is a suite of features within [Azure Container Registry](https://azure.microsoft.com/services/container-registry/) for performing Docker container builds on [Azure](https://azure.com), as well as automated OS and framework patching for Docker containers.
+
+## Features
+
+This project includes the following Dockerfiles:
+
+* *Dockerfile* - Non-parameterized Dockerfile for building the application. References a base image in Docker Hub.
+* *Dockerfile-app* - Parameterized, accepts the `REGISTRY_NAME` argument to specify the FQDN of the container registry from which the base image is pulled.
+* *Dockerfile-base* - Defines a base image for the application defined in *Dockerfile-app*.
+
+This project also includes the following YAML files:
+
+* *taskmulti.yaml* - Specifies a multistep task to build, run, and push a container image specified by *Dockerfile*.
+* *taskmulti-multiregistry.yaml* - Specifies a multistep task to build, run, and push container images specified by *Dockerfile* to multiple registries.
+
+## Getting Started
+
+### Companion articles
+
+This project is intended for use with the following articles on [docs.microsoft.com][docs]:
+
+* [Build container images in the cloud with Azure Container Registry Tasks][build-quick]
+* [Automate container image builds in the cloud when you commit source code][build-task]
+* [Run a multi-step container workflow in the cloud when you commit source code][multi-step]
+* [Automate container image builds when a base image is updated in an Azure container registry][build-base]
+
+### Quickstart
+
+Although intended for use with the companion articles, you can perform the following steps to run the sample application. These steps require a local [Docker](http://docker.com) installation.
+
+1. `git clone https://github.com/Azure-Samples/acr-build-helloworld-node`
+1. `cd acr-build-helloworld-node`
+1. `docker build -t helloacrbuild:v1 .`
+1. `docker run -d -p 8080:80 helloacrbuild:v1`
+1. Navigate to http://localhost:8080 to view the running application
+
+## Resources
+
+[Azure Container Registry](https://azure.microsoft.com/services/container-registry/)
+
+[Azure Container Registry documentation](https://docs.microsoft.com/azure/container-registry/)
+
+<!-- LINKS - External -->
+[build-quick]: https://docs.microsoft.com/azure/container-registry/container-registry-tutorial-quick-build
+[build-task]: https://docs.microsoft.com/azure/container-registry/container-registry-tutorial-build-task
+[build-base]: https://docs.microsoft.com/azure/container-registry/container-registry-tutorial-base-image-update
+[multi-step]: https://docs.microsoft.com/azure/container-registry/container-registry-tutorial-multistep-task
+[docs]: http://docs.microsoft.com

package.json

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+{
+  "name": "helloworld",
+  "version": "1.0.0",
+  "description": "Sample app for ACR Build",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "license": "MIT"
+}

server.js

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+const http = require('http')
+
+const port = 80
+
+const server = http.createServer((request, response) => {
+  response.writeHead(200, {'Content-Type': 'text/plain'})
+  response.write('Hello World\n')
+  response.end('Version: ' + process.env.NODE_VERSION + '\n')
+})
+
+server.listen(port)
+
+console.log(`Server running at http://localhost: ${port}`)

taskmulti-multiregistry.yaml

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+version: v1.0.0
+steps:
+# Build target images
+- build: -t {{.Run.Registry}}/hello-world:{{.Run.ID}} -f Dockerfile .
+- build: -t {{.Values.regDate}}/hello-world:{{.Run.Date}} -f Dockerfile .
+# Run image 
+- cmd: -t {{.Run.Registry}}/hello-world:{{.Run.ID}}
+  id: test
+  detach: true
+  ports: ["8080:80"]
+- cmd: docker stop test
+# Push images
+- push:
+  - {{.Run.Registry}}/hello-world:{{.Run.ID}}
+  - {{.Values.regDate}}/hello-world:{{.Run.Date}}

taskmulti.yaml

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+version: v1.0.0
+steps:
+# Build target image
+- build: -t {{.Run.Registry}}/hello-world:{{.Run.ID}} -f Dockerfile .
+# Run image 
+- cmd: -t {{.Run.Registry}}/hello-world:{{.Run.ID}}
+  id: test
+  detach: true
+  ports: ["8080:80"]
+- cmd: docker stop test
+# Push image
+- push:
+  - {{.Run.Registry}}/hello-world:{{.Run.ID}}