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Docker installed.
In this post, I'll show how to create a Development container (aka dev container) to use it to develop a React Native app with Expo.
postCreateCommand This section permit to execute a command after the build of the container. I've used this command to execute a script to install Expo and other dependencies like watchman
// For format details, see https://aka.ms/devcontainer.json. For config options, see the // README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node { "name": "Node.js & TypeScript", // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile "image": "mcr.microsoft.com/devcontainers/typescript-node:1-20-bullseye", // Features to add to the dev container. More info: https://containers.dev/features. // "features": {}, // Use 'forwardPorts' to make a list of ports inside the container available locally. "forwardPorts": [8081], "initializeCommand": "bash .devcontainer/initializeCommand.sh", // Use 'postCreateCommand' to run commands after the container is created. "postCreateCommand": "bash .devcontainer/postCreateCommand.sh", // Configure tool-specific properties. // "customizations": {}, // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root. // "remoteUser": "root", // "containerEnv": { // }, // "remoteEnv": { // "DEV_USER_HOST": "${localEnv:USERNAME}" // }, "runArgs": ["-p=8081:8081", "--env-file", ".devcontainer/.env"] }
Visual Studio Code installed.