mirror of
https://github.com/apple/container.git
synced 2026-07-12 20:47:04 +00:00
Sidhartha Mani
752 lines
22 KiB
Markdown
752 lines
22 KiB
Markdown
# Container CLI Command Reference
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Note: Command availability may vary depending on host operating system and macOS version.
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## Core Commands
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### `container run`
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Runs a container from an image. If a command is provided, it will execute inside the container; otherwise the image's default command runs. By default the container runs in the foreground and STDIN remains closed unless `-i`/`--interactive` is specified.
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**Usage**
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```bash
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container run [OPTIONS] IMAGE [COMMAND] [ARG...]
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```
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**Options**
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* **Process and resources**
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* `-w, --cwd, --workdir <cwd>`: Current working directory for the container
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* `-e, --env <env>`: Set environment variables
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* `--env-file <env-file>`: Read in a file of environment variables
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* `--uid <uid>`: Set the uid for the process
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* `--gid <gid>`: Set the gid for the process
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* `-i, --interactive`: Keep Stdin open even if not attached
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* `-t, --tty`: Open a tty with the process
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* `-u, --user <user>`: Set the user for the process
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* `-c, --cpus <cpus>`: Number of CPUs to allocate to the container
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* `-m, --memory <memory>`: Amount of memory in bytes, kilobytes (K), megabytes (M), or gigabytes (G) for the container, with MB granularity (for example, 1024K will result in 1MB being allocated for the container)
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* **Container management**
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* `-d, --detach`: Run the container and detach from the process
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* `--entrypoint <entrypoint>`: Override the entrypoint of the image
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* `--mount <mount>`: Add a mount to the container (type=<>,source=<>,target=<>,readonly)
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* `-p, --publish <publish>`: Publish a port from container to host (format: [host-ip:]host-port:container-port[/protocol])
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* `--publish-socket <publish-socket>`: Publish a socket from container to host (format: host_path:container_path)
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* `--tmpfs <tmpfs>`: Add a tmpfs mount to the container at the given path
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* `--name <name>`: Assign a name to the container. If excluded will be a generated UUID
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* `--remove, --rm`: Remove the container after it stops
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* `--os <os>`: Set OS if image can target multiple operating systems (default: linux)
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* `-a, --arch <arch>`: Set arch if image can target multiple architectures (default: arm64)
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* `-v, --volume <volume>`: Bind mount a volume into the container
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* `-k, --kernel <kernel>`: Set a custom kernel path
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* `--network <network>`: Attach the container to a network
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* `--cidfile <cidfile>`: Write the container ID to the path provided
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* `--no-dns`: Do not configure DNS in the container
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* `--dns <dns>`: DNS nameserver IP address
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* `--dns-domain <dns-domain>`: Default DNS domain
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* `--dns-search <dns-search>`: DNS search domains
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* `--dns-option <dns-option>`: DNS options
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* `-l, --label <label>`: Add a key=value label to the container
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* `--virtualization`: Expose virtualization capabilities to the container. (Host must have nested virtualization support, and guest kernel must have virtualization capabilities enabled)
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* **Registry/progress/global**
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* `--scheme <scheme>`: Scheme to use when connecting to the container registry. One of (`http`, `https`, `auto`) (default: `auto`)
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* `--disable-progress-updates`: Disable progress bar updates
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* `--debug`: Enable debug output [environment: CONTAINER_DEBUG]
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* `--version`: Show the version.
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* `-h, --help`: Show help information.
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**Examples**
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```bash
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# run a container and attach an interactive shell
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container run -it ubuntu:latest /bin/bash
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# run a background web server
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container run -d --name web -p 8080:80 nginx:latest
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# set environment variables and limit resources
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container run -e NODE_ENV=production --cpus 2 --memory 1G node:18
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```
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### `container build`
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Builds an OCI image from a local build context. It reads a Dockerfile (default `Dockerfile`) and produces an image tagged with `-t` option. The build runs in isolation using BuildKit, and resource limits may be set for the build process itself.
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**Usage**
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```bash
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container build [OPTIONS] PATH
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```
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**Options**
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* **Resource management**
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* `-c, --cpus <number>`: CPUs to allocate to the build process (default 2)
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* `-m, --memory <size>`: Amount of memory in bytes, kilobytes (K), megabytes (M), or gigabytes (G) for the container, with MB granularity (for example, 1024K will result in 1MB being allocated for the container) (default: 2048MB)
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* **Build configuration**
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* `--build-arg <key=value>`: build-time variables passed to the Dockerfile
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* `-f, --file <path>`: path to the Dockerfile (default `Dockerfile`)
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* `-l, --label <key=value>`: add metadata labels to the image
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* `--no-cache`: disable cache usage
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* `-o, --output <config>`: specify build output (default `type=oci`)
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* `--arch <arch>`: target architecture (default `arm64`)
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* `--os <os>`: target operating system (default `linux`)
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* `--progress <type>`: progress output mode: `auto`, `plain`, or `tty`
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* `--vsock-port <port>`: Builder-shim vsock port (default 8088)
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* `-t, --tag <name>`: set image name and tag
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* `--target <stage>`: set the target stage for multi-stage builds
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* `-q, --quiet`: suppress build output
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* **Global**
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* `--debug`: enable debug logging
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* `--version`: show version and exit
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* `-h, --help`: show help
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**Examples**
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```bash
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# build an image and tag it as my-app:latest
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container build -t my-app:latest .
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# use a custom Dockerfile
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container build -f docker/Dockerfile.prod -t my-app:prod .
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# pass build args
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container build --build-arg NODE_VERSION=18 -t my-app .
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# build the production stage only and disable cache
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container build --target production --no-cache -t my-app:prod .
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```
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## Container Management
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### `container create`
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Creates a container from an image without starting it. This command accepts most of the same process/resource/management flags as `container run`, but leaves the container stopped after creation.
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**Usage**
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```bash
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container create [OPTIONS] IMAGE [COMMAND] [ARG...]
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```
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**Typical use**: create a container to inspect or modify its configuration before running it.
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### `container start`
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Starts a stopped container. You can attach to the container's output streams and optionally keep STDIN open.
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**Usage**
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```bash
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container start [OPTIONS] CONTAINER
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```
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**Options**
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* `-a, --attach`: attach to STDOUT/STDERR of the container
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* `-i, --interactive`: attach STDIN for interactive sessions
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container stop`
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Stops running containers gracefully by sending a signal. A timeout can be specified before a SIGKILL is issued. If no containers are specified, nothing is stopped unless `--all` is used.
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**Usage**
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```bash
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container stop [OPTIONS] [CONTAINER...]
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```
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**Options**
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* `-a, --all`: stop all running containers
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* `-s, --signal <signal>`: signal to send (default SIGTERM)
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* `-t, --time <seconds>`: timeout in seconds before killing the container (default 5)
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container kill`
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Immediately kills running containers by sending a signal (defaults to `SIGKILL`). Use with caution: it does not allow for graceful shutdown.
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**Usage**
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```bash
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container kill [OPTIONS] [CONTAINER...]
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```
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**Options**
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* `-s, --signal <signal>`: signal to send (default `KILL`)
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* `-a, --all`: kill all running containers
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container delete (rm)`
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Removes one or more containers. If the container is running, you may force deletion with `--force`. Without a container ID, nothing happens unless `--all` is supplied.
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**Usage**
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```bash
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container delete [OPTIONS] [CONTAINER...]
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```
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**Options**
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* `-f, --force`: remove running containers by sending SIGKILL
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* `-a, --all`: remove all containers
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container list (ls)`
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Lists containers. By default only running containers are shown. Output can be formatted as a table or JSON.
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**Usage**
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```bash
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container list [OPTIONS]
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```
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**Options**
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* `-a, --all`: include stopped containers
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* `-q, --quiet`: display only container IDs
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* `--format <format>`: Format of the output (values: `json`, `table`; default: `table`)
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container exec`
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Executes a command inside a running container. It uses the same process flags as `container run` to control environment, user, and TTY settings.
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**Usage**
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```bash
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container exec [OPTIONS] CONTAINER COMMAND [ARG...]
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```
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**Key flags**
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* `-w, --cwd, --workdir <cwd>`: Current working directory for the container
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* `-e, --env <env>`: Set environment variables
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* `--env-file <env-file>`: Read in a file of environment variables
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* `--uid <uid>`: Set the uid for the process
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* `--gid <gid>`: Set the gid for the process
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* `-i, --interactive`: Keep Stdin open even if not attached
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* `-t, --tty`: Open a tty with the process
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* `-u, --user <user>`: Set the user for the process
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container logs`
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Fetches logs from a container. You can follow the logs (`-f`/`--follow`), restrict the number of lines shown, or view boot logs.
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**Usage**
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```bash
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container logs [OPTIONS] CONTAINER
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```
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**Options**
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* `-f, --follow`: Follow log output
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* `--boot`: Display the boot log for the container instead of stdio
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* `-n <lines>`: Number of lines to show from the end of the logs. If not provided this will print all of the logs
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container inspect`
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Displays detailed container information in JSON. Pass one or more container IDs to inspect multiple containers.
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**Usage**
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```bash
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container inspect [OPTIONS] CONTAINER...
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```
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No additional flags; uses global flags for debug, version, and help.
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## Image Management
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### `container image list (ls)`
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Lists local images. Verbose output provides additional details such as image ID, creation time and size; JSON output provides the same data in machine-readable form.
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**Usage**
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```bash
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container image list [OPTIONS]
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```
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**Options**
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* `-q, --quiet`: Only output the image name
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* `-v, --verbose`: Verbose output
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* `--format <format>`: Format of the output (values: `json`, `table`; default: `table`)
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image pull`
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Pulls an image from a registry. Supports specifying a platform and controlling progress display.
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**Usage**
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```bash
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container image pull [OPTIONS] REFERENCE
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```
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**Options**
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* `--platform <platform>`: Platform string in the form `os/arch/variant`. Example `linux/arm64/v8`, `linux/amd64`. Default: current host platform.
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* `--scheme <scheme>`: Scheme to use when connecting to the container registry. One of (`http`, `https`, `auto`) (default: `auto`)
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* `--disable-progress-updates`: Disable progress bar updates
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image push`
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Pushes an image to a registry. The flags mirror those for `image pull` with the addition of specifying a platform for multi-platform images.
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**Usage**
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```bash
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container image push [OPTIONS] REFERENCE
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```
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**Options**
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* `--platform <platform>`: Platform string in the form `os/arch/variant`. Example `linux/arm64/v8`, `linux/amd64` (optional)
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* `--scheme <scheme>`: Scheme to use when connecting to the container registry. One of (`http`, `https`, `auto`) (default: `auto`)
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* `--disable-progress-updates`: Disable progress bar updates
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image save`
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Saves an image to a tar archive on disk. Useful for exporting images for offline transport.
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**Usage**
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```bash
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container image save [OPTIONS] REFERENCE
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```
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**Options**
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* `--platform <platform>`: Platform string in the form `os/arch/variant`. Example `linux/arm64/v8`, `linux/amd64` (optional)
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* `-o, --output <file>`: Path to save the image tar archive
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image load`
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Loads images from a tar archive created by `image save`. The tar file must be specified via `--input`.
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**Usage**
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```bash
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container image load [OPTIONS]
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```
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**Options**
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* `-i, --input <file>`: Path to the tar archive to load images from
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image tag`
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Applies a new tag to an existing image. The original image reference remains unchanged.
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**Usage**
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```bash
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container image tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]
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```
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No extra flags aside from global options.
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### `container image delete (rm)`
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Removes one or more images. If no images are provided, `--all` can be used to remove all images. Images currently referenced by running containers cannot be deleted without first removing those containers.
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**Usage**
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```bash
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container image delete [OPTIONS] [IMAGE...]
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```
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**Options**
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* `-a, --all`: remove all images
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container image prune`
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Removes unused (dangling) images to reclaim disk space. The command outputs the amount of space freed after deletion.
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**Usage**
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```bash
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container image prune [OPTIONS]
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```
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No extra options; uses global flags for debug and help.
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### `container image inspect`
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Shows detailed information for one or more images in JSON format. Accepts image names or IDs.
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**Usage**
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```bash
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container image inspect [OPTIONS] IMAGE...
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```
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Only global flags (`--debug`, `--version`, `-h`/`--help`) are available.
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## Builder Management
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The builder commands manage the BuildKit-based builder used for image builds.
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### `container builder start`
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Starts the BuildKit builder container. CPU and memory limits can be set for the builder.
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**Usage**
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```bash
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container builder start [OPTIONS]
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```
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**Options**
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* `-c, --cpus <number>`: Number of CPUs to allocate to the container (default: 2)
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* `-m, --memory <size>`: Amount of memory in bytes, kilobytes (K), megabytes (M), or gigabytes (G) for the container, with MB granularity (for example, 1024K will result in 1MB being allocated for the container) (default: 2048MB)
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* **Global**: `--version`, `-h`/`--help`
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### `container builder status`
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Shows the current status of the BuildKit builder. Without flags a human-readable table is displayed; with `--json` the status is returned as JSON.
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**Usage**
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```bash
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container builder status [OPTIONS]
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```
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**Options**
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* `--json`: output status as JSON
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* **Global**: `--version`, `-h`/`--help`
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### `container builder stop`
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Stops the BuildKit builder. No additional options are required; uses global flags only.
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### `container builder delete (rm)`
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Removes the BuildKit builder container. It can optionally force deletion if the builder is still running.
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**Usage**
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```bash
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container builder delete [OPTIONS]
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```
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**Options**
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* `-f, --force`: force deletion even if the builder is running
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* **Global**: `--version`, `-h`/`--help`
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## Network Management (macOS 26+)
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The network commands are available on macOS 26 and later and allow creation and management of user-defined container networks.
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### `container network create`
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Creates a new network with the given name.
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**Usage**
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```bash
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container network create NAME
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```
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No additional flags; uses global options for debugging, version, and help.
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### `container network delete (rm)`
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Deletes one or more networks. When deleting multiple networks, pass them as separate arguments. To delete all networks, use `--all`.
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**Usage**
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```bash
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container network delete [OPTIONS] [NAME...]
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```
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**Options**
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* `-a, --all`: delete all defined networks
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container network list (ls)`
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Lists user-defined networks.
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**Usage**
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```bash
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container network list [OPTIONS]
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```
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**Options**
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* `-q, --quiet`: Only output the network name
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* `--format <format>`: Format of the output (values: `json`, `table`; default: `table`)
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* **Global**: `--debug`, `--version`, `-h`/`--help`
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### `container network inspect`
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Shows detailed information about one or more networks.
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**Usage**
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```bash
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container network inspect [OPTIONS] NAME...
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```
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Only global flags are available for debugging, version, and help.
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## Volume Management
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Manage persistent volumes for containers.
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### `container volume create`
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Creates a new volume with an optional size and driver-specific options.
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**Usage**
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```bash
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container volume create [OPTIONS] NAME
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```
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**Options**
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* `-s <size>`: size of the volume (default: 512GB). Examples: `1G`, `512MB`, `2T`
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|
* `--opt <key=value>`: set driver-specific options (repeatable)
|
|
* `--label <key=value>`: set metadata labels on the volume (repeatable)
|
|
* **Global**: `--version`, `-h`/`--help`
|
|
|
|
### `container volume delete (rm)`
|
|
|
|
Removes one or more volumes by name.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container volume delete NAME...
|
|
```
|
|
|
|
Only global flags are available.
|
|
|
|
### `container volume list (ls)`
|
|
|
|
Lists volumes.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container volume list [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `-q, --quiet`: Only display volume names
|
|
* `--format <format>`: Format of the output (values: `json`, `table`; default: `table`)
|
|
* **Global**: `--version`, `-h`/`--help`
|
|
|
|
### `container volume inspect`
|
|
|
|
Displays detailed information for one or more volumes in JSON.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container volume inspect NAME...
|
|
```
|
|
|
|
Only global flags are available.
|
|
|
|
## Registry Management
|
|
|
|
The registry commands manage authentication and defaults for container registries.
|
|
|
|
### `container registry login`
|
|
|
|
Authenticates with a registry. Credentials can be provided interactively or via flags. The login is stored for reuse by subsequent commands.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container registry login [OPTIONS] SERVER
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `-u, --username <username>`: username for the registry
|
|
* `--password-stdin`: read the password from STDIN (non-interactive)
|
|
* `--scheme <scheme>`: registry scheme. One of (`http`, `https`, `auto`) (default: `auto`)
|
|
* **Global**: `--version`, `-h`/`--help`
|
|
|
|
### `container registry logout`
|
|
|
|
Logs out of a registry, removing stored credentials.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container registry logout SERVER
|
|
```
|
|
|
|
Only `--version` and `-h`/`--help` are available.
|
|
|
|
### `container registry default` commands
|
|
|
|
The `registry default` group allows setting, unsetting, and inspecting the default registry used when no registry is specified on image references.
|
|
|
|
* `container registry default set [OPTIONS] HOST`: Set the default registry.
|
|
* `--scheme <scheme>`: registry scheme. One of (`http`, `https`, `auto`) (default: `auto`)
|
|
* **Global**: `--debug`, `--version`, `-h`/`--help`
|
|
* `container registry default unset (clear)`: Clears the default registry configuration.
|
|
* `container registry default inspect`: Displays the current default registry, if any.
|
|
|
|
## System Management
|
|
|
|
System commands manage the container apiserver, logs, DNS settings and kernel. These are only available on macOS hosts.
|
|
|
|
### `container system start`
|
|
|
|
Starts the container services and (optionally) installs a default kernel. It will start the `container-apiserver` and background services.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system start [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `-a, --app-root <path>`: application data directory
|
|
* `--install-root <path>`: path to the installation root directory
|
|
* `--debug`: enable debug logging for the runtime daemon
|
|
* `--enable-kernel-install`: install the recommended default kernel
|
|
* `--disable-kernel-install`: skip installing the default kernel
|
|
If neither kernel-install flag is provided, you will be prompted to choose whether to install the recommended kernel.
|
|
|
|
### `container system stop`
|
|
|
|
Stops the container services and deregisters them from launchd. You can specify a prefix to target services created with a different launchd prefix.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system stop [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `-p, --prefix <prefix>`: launchd prefix (default: `com.apple.container.`)
|
|
* **Global**: `--version`, `-h`/`--help`
|
|
|
|
### `container system status`
|
|
|
|
Checks whether the container services are running and prints status information. It will ping the apiserver and report readiness.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system status [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `-p, --prefix <prefix>`: launchd prefix to query (default: `com.apple.container.`)
|
|
* **Global**: `--version`, `-h`/`--help`
|
|
|
|
### `container system logs`
|
|
|
|
Displays logs from the container services. You can specify a time interval or follow new logs in real time.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system logs [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `--last <duration>`: Fetch logs starting from the specified time period (minus the current time); supported formats: m, h, d (default: 5m)
|
|
* `-f, --follow`: Follow log output
|
|
* **Global**: `--debug`, `--version`, `-h`/`--help`
|
|
|
|
### `container system dns create`
|
|
|
|
Creates a local DNS domain for containers. Requires administrator privileges (use sudo).
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system dns create NAME
|
|
```
|
|
|
|
No options.
|
|
|
|
### `container system dns delete (rm)`
|
|
|
|
Deletes a local DNS domain. Requires administrator privileges (use sudo).
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system dns delete NAME
|
|
```
|
|
|
|
No options.
|
|
|
|
### `container system dns list (ls)`
|
|
|
|
Lists configured local DNS domains for containers.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system dns list
|
|
```
|
|
|
|
No options.
|
|
|
|
### `container system dns default` commands
|
|
|
|
Manage the default local DNS domain used by other commands.
|
|
|
|
* `container system dns default set NAME`: Set the default DNS domain used by `create`/`run`.
|
|
* `container system dns default unset (clear)`: Unset the default DNS domain.
|
|
* `container system dns default inspect`: Display the current default DNS domain.
|
|
|
|
### `container system kernel set`
|
|
|
|
Installs or updates the Linux kernel used by the container runtime on macOS hosts.
|
|
|
|
**Usage**
|
|
|
|
```bash
|
|
container system kernel set [OPTIONS]
|
|
```
|
|
|
|
**Options**
|
|
|
|
* `--binary <path>`: Path to a kernel binary (can be used with `--tar` inside a tar archive)
|
|
* `--tar <path | URL>`: Path or URL to a tarball containing kernel images
|
|
* `--arch <arch>`: Target architecture (`arm64` or `x86_64`)
|
|
* `--recommended`: Download and install the recommended default kernel for your host
|
|
* **Global**: `--debug`, `--version`, `-h`/`--help`
|
|
|
|
***
|