In this blog post, we’ll see how we can use Azurite, an open source Azure Storage API compatible server (emulator), in Docker, and how to run it from JetBrains Rider. We can use Azurite in Docker to keep Azure Storage data local to a solution, and, for example, have different blobs and queues for different Azure Functions projects.
Why use Azurite over Azure Storage Emulator?
Ever since I started playing with Azure back in 2008, I’ve been using the Azure Storage Emulator to have a local storage emulator to develop with. It provides a local environment for testing applications that use Azure blob and/or queues.
I felt it was time to retire the Azure Storage Emulator in favor of its successor: Azurite. There are various reasons for this:
- Azurite supports newer storage API’s.
- It can run as a Docker container.
- By setting its volume path to something relative to the solution we’re working on, we can keep blobs and queues around. Different solution? Different path! The blobs and queues related to that solution in Azurite.
Setting up Azurite
We can run Azurite using Docker, by running the following command:
docker run -p 10000:10000 -p 10001:10001 mcr.microsoft.com/azure-storage/azurite
This will fetch and run the mcr.microsoft.com/azure-storage/azurite image, exposing ports 10000 (blob) and 10001 (queue).
Inside the Docker container, Azurite uses the /data folder to store blobs and queue messages. This means that we can map /data to a folder on our host machine. When working on different projects and solution, this is great! For every solution, we can map a different path, and preserve the blobs and queues related to that solution in Azurite.
Setting up an Azurite run configuration in Rider
In Rider, we can create a new Run Configuration ( Run | Edit Configurations ), of the type Docker Image, and enter the image ID as mcr.microsoft.com/azure-storage/azurite. Optionally, we can name the container (I picked azurite here).
We’ll also have to specify the port bindings (port 10000 and 10001).
Since we want to preserve the Azurite data locally with our solution, we can create a bind mount as well. In the below screenshot, you can see I mapped D:\Projects\Git\NuGetTypeSearch\.idea\azurite to /data in the container.
Note: The D:\Projects\Git\NuGetTypeSearch\.idea\azurite path was added into .gitignore to make sure blobs/queue messages are not committed to Git.
Once this run configuration is created, we can select and run it. This can be done from the toolbar, but I personally prefer using the Ctrl+Alt+Shift+R keyboard shortcut, where it’s possible to immediately select the run configuration to execute (Enter) or debug (Shift, then Enter).
Once running, we can see the Azurite container’s output from the Services tool window, but usually we will not need that one.
Want to start running an Azure Functions host next? We can use the respective run configuration for that. And when we switch to another solution, we can stop the current container and start it anew in the other solution, with its own data.
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