To use it, reference your original docker-compose.yml file in addition to .devcontainer/devcontainer.extend.yml in a specific order: VS Code will then automatically use both files when starting up any containers. To add a dev container definition in your project, you can either: Add it using VS Code Remote - Containers: You can share a customized dev container definition for your project by adding the files under .devcontainer to source control. Once VS Code is connected to the container, you can open a VS Code terminal and execute any command against the OS inside the container. First-time contributors will require less guidance and hit fewer issues related to environment setup. See also: Part 2: Unifying remote and local AzureML environments. If one RUN statement adds temporary contents, these contents remain in this layer in the image even if they are deleted in a subsequent RUN. Referencing an existing deployment / non-development focused docker-compose.yml has some potential downsides. Value of an environment variable on your local machine (in this case, called, Value of an existing environment variable inside the container once it is up and running (in this case, called, Path of the local folder that was opened in VS Code (that contains. Version 1.51 is now available! Install additional tools such as Git in the container. Let’s take a look at devcontainer.json and describe what we are doing here: These are the options that I used in my projects, but there are more that might be useful: You can ignore the node_modules folder if you want to skip copying half of the universe when you build your container. Most container images are based on Debian or Ubuntu, where the apt or apt-get command is used to install new packages. You can replace the image property in devcontainer.json with dockerFile: At its simplest, all you need is a .devcontainer/devcontainer.json file in your project that references an image, Dockerfile, or docker-compose.yml, and a few properties. Visual Studio Code – Developing inside a Container, Visual Studio Code Remote Container Definitions,, Remote Development environment running on Windows Subsystem for Linux, Remote Development environment via Containers, Visual Studio Codespaces (managed or self-hosted). A command string or list of command arguments to run, A command string or list of command arguments to run when the container starts (in all cases). I have captured the entire operation in action in the following image. For more information see the Code of Conduct FAQ or # Mounts the project folder to '/workspace'. The Dockerfile for this example has following content: The Docker file uses as base the image, which is a pre-defined image for a Node.js Remote Development Container. The Remote Development Container is defined in a JSON file. Some of the tools (Azure CLI) I will reference were added in my own fork (my-branch). This you can do as well by just specifing the appPort and editing the automation script. The account information is stored in “~/.azure/azureProfile.json” within the container. Environment and, A set of name-value pairs that sets or overrides environment variables for VS Code (or sub-processes like terminals) but not the container as a whole. The VS Code Remote - Containers extension allows you to clone a repository or open any folder mounted into (or already inside) a dev container and take advantage of VS Code's full development feature set. You've now configured a dev container in Visual Studio Code. Let's say you'd like to add another complex component to your configuration, like a database. devcontainer.json reference. Many people who work with me know that I hate anything related to frontend :). This gives your multi-container workflow the same quick setup advantages described for the Docker image and Dockerfile workflows above, while still allowing you to use the command line if you prefer. All predefined containers have sudo set up, but the Advanced Container Configuration article can help you set this up for your own containers. If the containers are not already running, VS Code will call docker-compose -f ../docker-compose.yml up in this example. Learn more. Windows subsystem for Linux (WSL) has been around for a number of years. First, update the Remote > Containers: Repository Configuration Paths User setting with the local folder you want to use to store your repository container configuration files. Now that we have setup the container and we are connected to it, we can start to create the UI5 application scaffold. "appPort": [ 3000, "8921:5000"] Use the Docker Compose ports mapping: The ports mapping can easily be added your docker-compose.yml file to publish additional ports. remoteUser: The user which is used to connect to the remote container, if not root should be used. Or another scenario: You are working in a project with several developers and each developer has to setup the development instrastructure by its own on his/hers machine. I used Remote Containers on MacOS with Docker Desktop without issues too. For example, consider this additional .devcontainer/docker-compose.extend.yml file: This same file can provide additional settings, such as port mappings, as needed. This is valuable if you work for companies that provide you with the infrastructure and a laptop. For example, if you wanted to create a configuration for, you would create the following folder structure: Once in place, the configuration will be automatically picked up when using any of the remote containers commands. From my point of view Visual Studio Code Remote Container Development has a huge potential to save time and costs by providing consistent and isolated environments which can be used by every developer within a team or an organization (for instance as base for different projects). At time of writing this, the Yeoman UI5 generator extension has a small bug which sets the value to ChromeHeadless, which leads to an error when it is tried to start the Chrome browser in a container. These will also be stopped when you disconnect unless, Sets the default path that VS Code should open when connecting to the container (which is often the path to a volume mount where the source code can be found in the container). In the area of UI5 I see a huge potential with the upcoming release of the SAP Fiori Tools which are not only provided in the SAP Business Application Studio, but as Visual Studio Code extension too. By including these files in your repository, anyone that opens a local copy of your repo in VS Code will be automatically prompted to reopen the folder in a container, provided they have the Remote - Containers extension installed. The “Reopen in container” option (which can also be accessed via the command pallette ctrl+shift+p) will build the Docker image and reopen VScode inside this container.. Let’s experiment with this new php environment by running the php built in server. Not set by default (an empty window is opened). With that it can be ensured, that every team member (or you alone) use the same image. However, if you want anything running in this service to be available in the container on localhost, or want to forward the service locally, be sure to add this line to the service config: You can see an example of network_mode: service:db in the Node.js and Mongo DB example dev container. See here for a list of known issues. After the creation is finished, it can be seen that we are in the Development Container in the lower left corner. If you've already built the container and connected to it, be sure to run Remote-Containers: Rebuild Container from the Command Palette (F1) to pick up the change. This you can do as well by just specifing the appPort and editing the automation script. # [Optional] Required for ptrace-based debuggers like C++, Go, and Rust, // The order of the files is important since later files override previous ones, docker-compose -f docker-compose.yml -f .devcontainer/docker-compose.extend.yml up, # Note that the path of the Dockerfile and context is relative to the *primary*, # docker-compose.yml file (the first in the devcontainer.json "dockerComposeFile". See Set up a folder to run in a container for more information on configuring a dev container or the vscode-dev-containers repository for a wide variety of base configurations. Use. Here I want to accumulate my thoughts and share some experience. Inside a devcontainer we can drop this to 5 seconds. A list of ports that should be forwarded from inside the container to the local machine. In this example the file has following content. WSL2 unifies running Linux based docker containers and WSL Linux on the same architecture (docker-wsl2-backend). After installing the extension the Remote Explorer appears in Visual Studio Code. Let's say you want to install Git. 1 This comment has been minimized. Were you referring in your Intro section with managed “CodeSpaces” to Visual Studio Code Online? The parameters behave exactly like, A command string or list of command arguments to run after VS Code has attached to a running container (in all cases). Instead, there are several commands that can be used to make editing your configuration easier. As I said - I don’t want to have any business with frontend at all - so to minimize the attention I need to put on frontend I decided to automate the set up of a frontend development environment by using containers. With that, it is easy to define a full-functional UI5 development environment which works locally too and can be started up in seconds. The configuration values have following meaning: The Remote Development Container definition file references a Dockerfile, stored in the .devcontainer folder. Since rebuilding a container will "reset" the container to its starting contents (with the exception of your local source code), VS Code does not automatically rebuild if you edit a container configuration file (devcontainer.json, Dockerfile, and docker-compose.yml). This container can be used to run an application or to sandbox tools, libraries, or runtimes needed for working with a codebase. A list of available pre-defined Remote Container images can be found here on GitHub. Sets the default path that VS Code should open when connecting to the container (which is often the path to a volume mount where the source code can be found in the container). To handle this situation, you can configure a location on your local filesystem to store configuration files that will be picked up automatically based on the repository. Work with a container deployed application defined by an image, Work with a service defined in an existing, unmodified. Here the ESLint extension is installed by default. Meeeh…. All rights reserved. In the lower right corner you see an information that the container is started. We selected the azure-machine-learning-python-3 container (azureml-dev-container), because of its Conda Python interpreter with the azureml-sdk package installed.