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Lab 01 - Clone Source and Push App

Clone Source

  1. Download the app source code, by cloning Git Repo
> mkdir DotNet-Core-SteelToe-Workshop
> cd DotNet-Core-SteelToe-Workshop
> git clone https://github.com/ddieruf/dotnet-core-fortuneteller
> cd dotnet-core-fortuneteller
  1. Open the source code directory /DotNet-Core-SteelToe-Workshop/FortuneTeller in your perferred IDE (all examples will use VS Code)

Review App Architecture

  1. Data storage - Notice in the services app /Services/Startup.cs, a data context of "InMemory" is created. This will (initially) be used to store the Fortunes.

alt text 2. Entity framework - The services app is utilizing EntityFrameworkCore /Services/models/Fortune.cs, with a single entity of Fortune.

alt text 3. Microservice endpoints - The services app has 6 endpoints /Services/Controllers/FortuneController.cs: GET /fortunes, GET /random, GET /{fortuneId}, POST fortune, PUT /{fortuneId}, DELETE /{fortuneId}

alt text

Review Manifest

  1. To push the app to PCF, a configuration must be provided. The overall project has a /manifest.yml file with all needed values. Note there are two apps included in the manifest. We wil focus on the second, services app. [The app name to be used by PCF]
name: fortune-teller-services

[The url prefix to execute the microservice endpoints]

host: fortuneTellerService

[The number of instances]

instances: 1

[The amount of memory allocated to the app]

memory: 256M

[The amount of disk storage allocated to the app]

disk_quota: 512M

Update App Manifest

  1. Within the same manifest.yml, replace BOTH with your student information:
host: fortuneTeller_<STUDENT_X>

host: fortuneTellerService_<STUDENT_X>

**Remember to change host value for each app. A requirement of PCF is, no 2 apps can have the same host name.

  1. Save the file

Update the UI Endpoint to Match

  1. Edit the file /Www/js/constants.js, change the ApiUrl constant value to match the host name:
.constant('ApiUrl', 'https://fortuneTellerService_<STUDENT-X>.apps.xxxxx.xxx/')
  1. Save the file

Push The App

  1. Open a Terminal (or command prompt) and navigate to the app directory.
> cd ~/DotNet-Core-SteelToe-Workshop/FortuneTeller
  1. Confirm the API target is set
> cf target

API endpoint:   <PROVIDED_BY_INSTRUCTOR>
User:           <STUDENT-X>
Org:            Vantage
Space:          <STUDENT-X>
  1. Push the app
> cf push
  1. The cf cli will provide feedback about each step it takes to create the App Container and deploy.

View The App

  1. Once successfully pushed, in AppManager click the 'student-x' space in the left box. alt text
  2. Notice there are two apps running! Yeah!
  3. The column labeled 'Route' will offer a link to execute the app. Click the route for the 'fortune-teller-www' app.
  4. A new tab will be created, loading the FortuneTeller app web site. alt text
  5. Horray! The app is running!

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