For security reasons you may want to store the pipelines to another repository than the one that the code is hosted. Lets say for example that you have your application code located on test-project/repository location but your pipelines are stored on the consoleapp1 repository. Also you want to have continuous integration and deployment for the repository on which the code is hosted, so when code is pushed to repository then the pipeline should trigger which is hosted on ConsoleApp1.
You can do that using the repositories resource of azure devops. You will need to define the repository and also configure trigger for this repository based on your strategy.
The final result would be the pipeline to run when code is commited on the code repository instead of the one that pipelines are hosted.
When you need to pass parameters between your build and release pipelines it could be a real struggle if you do not want to use variable groups. Variable groups can accomplish the requested (to pass values between build and release pipelines) but this scenario is not useful for a parametric input which is a common case when deploying a project. You can accomplish that either by using a plugin from another publisher or by following the publish artifacts procedure that I will describe.
In order to pass variables between your build and release pipelines you can create/export a file containing your variable on your build agent. This file should be exported as build artifact and then downloaded on the release pipeline.
The below build pipeline implements the functionality I described. The exported file is named projectname.txt and will be located on artifacts folder on your build agent inside folder drop. For example C:\agent\1\a\drop
When you run the pipeline you will be asked for a parameter. I gave this entry my name which will be passed on release.
My release pipeline will download the build artifacts and get the value of the file. The release pipeline includes two steps.
The first one downloads the folder drop from build artifacts. The projectname.txt is located there.
Then the powershell will print the contents of the projectname.txt
You can check the result and verify you get the parameter input value from the powershell script.
Bonus content:
You can also write your input parameter as a variable on the build agent and reference this value on a later step. This should be again a powershell step on your release pipeline.
Azure Devops is the powerful Microsoft product for Devops solutions. In this article I will explain how you can create a build pipeline using predefined actions and tools provided in order to push an image to an external repository like Docker hub.
As a first step you should create two new service connections. As I am using Github, the one will be a github connection and a docker hub connection. To accomplish that you should go to project settings -> service connections and connect your accounts with your password credentials.
When you complete this step, the connected accounts will appear.
Then you should go to pipelines menu and create a new one. My pipeline has the name main-pipeline.
Azure Devops provides a large list of predefined tasks that will make your implementation easier and quicker. In my case I selected the build of a Dockerfile that will be listed in the Github repository.
In more detail the code will be checkout from the repository and the image will be created using a building machine that Azure provides from a shared pool of agents.
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