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02-dockerize-apps(alt-acr-build).md

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Dockerizing Applications with Azure Container Registry

Azure Container Registry (ACR)

We will use Azure COntainer Registry to build our containers from Dockerfiles and also host our images to run in AKS

Create Azure Container Registry instance

  1. In the browser, sign in to the Azure portal at https://portal.azure.com. Your Azure login ID will look something like [email protected]

  2. Click "Create a resource" and select "Container Registry"

  3. Provide a name for your registry (this must be unique)

  4. Use the existing Resource Group

  5. Enable the Admin user

  6. Use the 'Standard' SKU (default)

    The Standard registry offers the same capabilities as Basic, but with increased storage limits and image throughput. Standard registries should satisfy the needs of most production scenarios.

  7. Open the Azure Cloud Shell

    Azure Cloud Shell

  8. The first time Cloud Shell is started will require you to create a storage account. In our lab, you must click Advanced and enter an account name and share.

  9. Once your cloud shell is started, clone the workshop repo into the cloud shell environment

    git clone https://github.com/Azure/blackbelt-aks-hackfest.git

  10. In the cloud shell, you are automatically logged into your Azure subscription. az login is not required.

  11. Verify your subscription is correctly selected as the default

    az account list

  12. Find your RG name

    az group list 

    
[
{
    "id": "/subscriptions/b23accae-e655-44e6-a08d-85fb5f1bb854/resourceGroups/ODL-aks-v2-gbb-8386",
    "location": "centralus",
    "managedBy": null,
    "name": "ODL-aks-v2-gbb-8386",
    "properties": {
    "provisioningState": "Succeeded"
    },
    "tags": {
    "AttendeeId": "8391",
    "LaunchId": "486",
    "LaunchType": "ODL",
    "TemplateId": "1153"
    }
}
]

For the first container, we will be creating a Dockerfile from scratch. For the other containers, the Dockerfiles are provided.

Web Container

  1. Create a Dockerfile

    • Access the cloud shell

    • In the ~/blackbelt-aks-hackfest/app/web directory, add a file called "Dockerfile"

      • you can add an empty file by running touch Dockerfile in the cloud shell.
      • you can launch in in-browser code editor in cloud shell by typing code . at the bash prompt (click the refresh button to see the new Dockerfile)

    • Add the following lines and save:

      FROM node:9.4.0-alpine

ARG VCS_REF
ARG BUILD_DATE
ARG IMAGE_TAG_REF

ENV GIT_SHA $VCS_REF
ENV IMAGE_BUILD_DATE $BUILD_DATE
ENV IMAGE_TAG $IMAGE_TAG_REF

WORKDIR /usr/src/app
COPY package*.json ./
RUN npm install

COPY . .
RUN apk --no-cache add curl
EXPOSE 8080

CMD [ "npm", "run", "container" ]

  2. Create a container image for the node.js Web app

    From the terminal session:

    cd ~/blackbelt-aks-hackfest/app/web

# Set environment variable for ACR Name
ACR_NAME=<registry-name>
az acr build --registry $ACR_NAME --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` --build-arg VCS_REF=`git rev-parse --short HEAD` --build-arg IMAGE_TAG_REF=v1 --image azureworkshop/rating-web:v1 .
    1. Return to the Azure Portal in your browser and validate that the image appears in your Container Registry under the "Repositories" area.
    2. Under tags, you will see "v1" listed.

API Container

In this step, the Dockerfile has been created for you.

  1. Create a container image for the node.js API app

    cd ~/blackbelt-aks-hackfest/app/api

az acr build --registry $ACR_NAME --image azureworkshop/rating-api:v1 .
    1. Return to the Azure Portal in your browser and validate that the image appears in your Container Registry under the "Repositories" area.
    2. Under tags, you will see "v1" listed.

MongoDB Container

  1. Create a MongoDB image with data files

    cd ~/blackbelt-aks-hackfest/app/db

az acr build --registry $ACR_NAME --image azureworkshop/rating-db:v1 .
    1. Return to the Azure Portal in your browser and validate that the image appears in your Container Registry under the "Repositories" area.
    2. Under tags, you will see "v1" listed.