code-server/extensions/configuration-editing/schemas/devContainer.schema.json

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{
"$schema": "http://json-schema.org/draft-07/schema#",
"description": "Defines a dev container",
"allowComments": true,
"allowTrailingCommas": true,
"type": "object",
"definitions": {
"devContainerCommon": {
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "A name to show for the workspace folder."
},
"extensions": {
"type": "array",
"description": "An array of extensions that should be installed into the container.",
"items": {
"type": "string",
"pattern": "^([a-z0-9A-Z][a-z0-9\\-A-Z]*)\\.([a-z0-9A-Z][a-z0-9\\-A-Z]*)(@(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?)?$",
"errorMessage": "Expected format: '${publisher}.${name}' or '${publisher}.${name}@${version}'. Example: 'ms-dotnettools.csharp'."
}
},
"settings": {
"$ref": "vscode://schemas/settings/machine",
"description": "Machine specific settings that should be copied into the container. These are only copied when connecting to the container for the first time, rebuilding the container then triggers it again."
},
"forwardPorts": {
"type": "array",
"description": "Ports that are forwarded from the container to the local machine.",
"items": {
"type": "integer",
"maximum": 65535,
"minimum": 0
}
},
"remoteEnv": {
"type": "object",
"additionalProperties": {
"type": [
"string",
"null"
]
},
"description": "Remote environment variables."
},
"remoteUser": {
"type": "string",
"description": "The user VS Code Server will be started with. The default is the same user as the container."
},
"initializeCommand": {
"type": [
"string",
"array"
],
"description": "A command to run locally before anything else. If this is a single string, it will be run in a shell. If this is an array of strings, it will be run as a single command without shell.",
"items": {
"type": "string"
}
},
"postCreateCommand": {
"type": [
"string",
"array"
],
"description": "A command to run after creating the container. If this is a single string, it will be run in a shell. If this is an array of strings, it will be run as a single command without shell.",
"items": {
"type": "string"
}
},
"postStartCommand": {
"type": [
"string",
"array"
],
"description": "A command to run after starting the container. If this is a single string, it will be run in a shell. If this is an array of strings, it will be run as a single command without shell.",
"items": {
"type": "string"
}
},
"postAttachCommand": {
"type": [
"string",
"array"
],
"description": "A command to run after attaching to the container. If this is a single string, it will be run in a shell. If this is an array of strings, it will be run as a single command without shell.",
"items": {
"type": "string"
}
},
"devPort": {
"type": "integer",
"description": "The port VS Code can use to connect to its backend."
},
"userEnvProbe": {
"type": "string",
"enum": [
"none",
"loginShell",
"loginInteractiveShell",
"interactiveShell"
],
"description": "User environment probe to run. The default is none."
},
"codespaces": {
"type": "object",
"description": "Codespaces-specific configuration."
}
}
},
"nonComposeBase": {
"type": "object",
"properties": {
"appPort": {
"type": [
"integer",
"string",
"array"
],
"description": "Application ports that are exposed by the container. This can be a single port or an array of ports. Each port can be a number or a string. A number is mapped to the same port on the host. A string is passed to Docker unchanged and can be used to map ports differently, e.g. \"8000:8010\".",
"items": {
"type": [
"integer",
"string"
]
}
},
"containerEnv": {
"type": "object",
"additionalProperties": {
"type": "string"
},
"description": "Container environment variables."
},
"containerUser": {
"type": "string",
"description": "The user the container will be started with. The default is the user on the Docker image."
},
"updateRemoteUserUID": {
"type": "boolean",
"description": "Controls whether on Linux the container's user should be updated with the local user's UID and GID. On by default."
},
"mounts": {
"type": "array",
"description": "Mount points to set up when creating the container. See Docker's documentation for the --mount option for the supported syntax.",
"items": {
"type": "string"
}
},
"runArgs": {
"type": "array",
"description": "The arguments required when starting in the container.",
"items": {
"type": "string"
}
},
"shutdownAction": {
"type": "string",
"enum": [
"none",
"stopContainer"
],
"description": "Action to take when the VS Code window is closed. The default is to stop the container."
},
"overrideCommand": {
"type": "boolean",
"description": "Whether to overwrite the command specified in the image. The default is true."
},
"workspaceFolder": {
"type": "string",
"description": "The path of the workspace folder inside the container."
},
"workspaceMount": {
"type": "string",
"description": "The --mount parameter for docker run. The default is to mount the project folder at /workspaces/$project."
}
}
},
"dockerfileContainer": {
"oneOf": [
{
"type": "object",
"properties": {
"build": {
"type": "object",
"description": "Docker build-related options.",
"allOf": [
{
"type": "object",
"properties": {
"dockerfile": {
"type": "string",
"description": "The location of the Dockerfile that defines the contents of the container. The path is relative to the folder containing the `devcontainer.json` file."
},
"context": {
"type": "string",
"description": "The location of the context folder for building the Docker image. The path is relative to the folder containing the `devcontainer.json` file."
}
},
"required": [
"dockerfile"
]
},
{
"$ref": "#/definitions/buildOptions"
}
]
}
},
"required": [
"build"
]
},
{
"allOf": [
{
"type": "object",
"properties": {
"dockerFile": {
"type": "string",
"description": "The location of the Dockerfile that defines the contents of the container. The path is relative to the folder containing the `devcontainer.json` file."
},
"context": {
"type": "string",
"description": "The location of the context folder for building the Docker image. The path is relative to the folder containing the `devcontainer.json` file."
}
},
"required": [
"dockerFile"
]
},
{
"type": "object",
"properties": {
"build": {
"description": "Docker build-related options.",
"$ref": "#/definitions/buildOptions"
}
}
}
]
}
]
},
"buildOptions": {
"type": "object",
"properties": {
"target": {
"type": "string",
"description": "Target stage in a multi-stage build."
},
"args": {
"type": "object",
"additionalProperties": {
"type": [
"string"
]
},
"description": "Build arguments."
}
}
},
"imageContainer": {
"type": "object",
"properties": {
"image": {
"type": "string",
"description": "The docker image that will be used to create the container."
}
},
"required": [
"image"
]
},
"composeContainer": {
"type": "object",
"properties": {
"dockerComposeFile": {
"type": [
"string",
"array"
],
"description": "The name of the docker-compose file(s) used to start the services.",
"items": {
"type": "string"
}
},
"service": {
"type": "string",
"description": "The service you want to work on."
},
"runServices": {
"type": "array",
"description": "An array of services that should be started and stopped.",
"items": {
"type": "string"
}
},
"workspaceFolder": {
"type": "string",
"description": "The path of the workspace folder inside the container. This is typically the target path of a volume mount in the docker-compose.yml."
},
"shutdownAction": {
"type": "string",
"enum": [
"none",
"stopCompose"
],
"description": "Action to take when the VS Code window is closed. The default is to stop the containers."
}
},
"required": [
"dockerComposeFile",
"service",
"workspaceFolder"
]
}
},
"oneOf": [
{
"allOf": [
{
"oneOf": [
{
"allOf": [
{
"oneOf": [
{
"$ref": "#/definitions/dockerfileContainer"
},
{
"$ref": "#/definitions/imageContainer"
}
]
},
{
"$ref": "#/definitions/nonComposeBase"
}
]
},
{
"$ref": "#/definitions/composeContainer"
}
]
},
{
"$ref": "#/definitions/devContainerCommon"
}
]
},
{
"type": "object",
"$ref": "#/definitions/devContainerCommon",
"additionalProperties": false
}
]
}