The Althoff Chronicles

This week I was trying to containerize an existing java application. Part of "installing" the application  on the container required executing an PowerShell script in the container during the Image build. Based on the documentation here  I thought i could add the following command to my dockerfile and it would work: RUN install.ps1 However, when I went to build the image, it just hung on that step. I tried several other variations of the run command including: RUN ["Powershell", ".\install.ps1"] which resulted in the following error: '["Powershell"' is not recognized as an internal or external command,operable program or batch file. RUN ["Powershell.exe", ".\install.ps1"] which returned the same error as above. I was about to give up and move the PowerShell commands from the .ps1 file directly into the dockerfile itself as described here , but I had an "A HA!" moment and decided to give a simpler a...

I recently ran into an issue when trying to restart an Azure App Service from PowerShell. The command to do it is Restart-AzureWebsite , but when I attempted to run it, I got the following error: “Restart-AzureWebsite : Your Azure credentials have not been set up or have expired, please run Add-AzureAccount to set up your Azure credentials” I ran the Add-AzureAccount command but I continued to get the same error. After some digging I realized that I had more than 1 Azure subscription and the command was using the wrong one when attempting to restart the website. I ran the following command to retrieve the subscriptions that are cached on my PC: Get-AzureSubscription That returns all of the subscriptions for all of the accounts that you’ve added from Azure. I found the subscription that was correct for the website I was attempting to restart and then ran this command: Select-AzureSubscription -SubscriptionName "MySubscription" That set the sub...