Azure Tips and Tricks Part 60 - Use Visual Studio 2017 with Docker Support

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Most folks aren’t aware of how powerful the Azure platform really is. As I’ve been presenting topics on Azure, I’ve had many people say, “How did you do that?” So I’ll be documenting my tips and tricks for Azure in these posts.

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I’ve recently covered a variety of Docker topics including:

One topic that keep coming up is how do you use Visual Studio 2017 with Docker support. If you go back and read this post, then you’ll see that I did everything manually on my mac, but Visual Studio 2017 makes this much easier. Let’s take a look.

Use Visual Studio 2017 with Docker Compose

Before we begin, make sure you have Docker for Windows installed.

Open Visual Studio 2017 and create a .NET Core WebAPI project.

When I select Web API, you can click a checkbox to enable docker support. I went ahead and toggled the OS to Linux for those that wish to follow on with my existing guide using Visual Studio 2017.

Look at the Solution Explorer

Do you remember the three steps that I used to add an ASP.NET WebAPI project to a Docker Container using Docker Cloud? If not, here they are:

1.) We need a Dockerfile for the entire to understand the image we are creating. 2.) We need a docker-compose.yml file to pass to the Docker Compose Command 3.) We need to run the Docker Compose command.

If you look back at the solution explorer, then you’ll see there are two projects in the solution:

A docker-compose project

This project is going to run docker-compose to create our image and is the default startup project. It also contains the docker-compose.yml file that we created in Step 2.

Keep it Simple This project takes care of steps 2 and 3 that we performed manually before.

A ASP.NET WebAPI project

The Dockerfile is already created and waiting for us in the ASP.NET WebAPI project.

Sweet, so what do I have to do…

Press this button. Yeah, that easy. If you look in your Visual Studio Output and select Docker, then you’ll see the commands running (that we performed manually in step 3)

For those that want to examine the output see below:

docker-compose -f "C:\Users\micrum\Documents\Visual Studio 2017\Projects\mbcvswebapi\docker-compose.yml" -f "C:\Users\micrum\Documents\Visual Studio 2017\Projects\mbcvswebapi\docker-compose.override.yml" -f "C:\Users\micrum\Documents\Visual Studio 2017\Projects\mbcvswebapi\obj\Docker\docker-compose.vs.debug.g.yml" -p dockercompose2735583743043077288 config
        source: obj/Docker/empty/
      context: C:\Users\micrum\Documents\Visual Studio 2017\Projects\mbcvswebapi\mbcvswebapi
      dockerfile: Dockerfile
    entrypoint: tail -f /dev/null
      NUGET_FALLBACK_PACKAGES: /root/.nuget/fallbackpackages
    image: mbcvswebapi:dev
    labels: ' --additionalProbingPath /root/.nuget/fallbackpackages  bin/Debug/netcoreapp1.1/mbcvswebapi.dll' /bin/bash -c "if PID=$$(pidof
        -x dotnet); then kill $$PID; fi" dotnet /app
    - 80/tcp
    - C:\Users\micrum\Documents\Visual Studio 2017\Projects\mbcvswebapi\mbcvswebapi:/app:rw
    - C:\Users\micrum\vsdbg:/remote_debugger:ro
    - C:\Users\micrum\.nuget\packages:/root/.nuget/fallbackpackages:ro
    - C:\Users\micrum\.nuget\packages:/root/.nuget/packages:ro
version: '3.0'
docker  ps --filter "status=running" --filter "name=dockercompose2735583743043077288_mbcvswebapi_" --format  -n 1
docker  inspect --format="" 682958fa63f8
Waiting for response from http://localhost:32768/api/values ...
Launching http://localhost:32768/api/values ...

At this point, it has spun up a localhost and started our site.

We can now push the image to Docker Cloud

Head back to the command prompt and enter:

docker login to authenticate your account.

docker push mbcrump/mbcwebapi:latest or whatever you called it in your docker-compose.yml to push your image to Docker Cloud. Please ensure you have a Docker repo already setup.

You can go back to Docker Cloud to verify it pushed successfully.

Key Takeaway Visual Studio 2017 just makes it much easier to use Docker Compose. You don’t have to create the files, run the command, etc. to create a Docker Image.

Want more Azure Tips and Tricks?

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