The gleam command uses subcommands to access different parts of the functionality:

add

gleam add [OPTIONS] <PACKAGES>...

Add new project dependencies

Option Description
--dev Add the packages as dev-only dependencies

build

gleam build [OPTIONS]

Build the project

Option Description
-t, --target <TARGET> The platform to target
--warnings-as-errors Emit compile time warnings as errors

check

gleam check [OPTIONS]

Type check the project

Option Description
-t, --target <TARGET> The platform to target

clean

gleam clean

Clean build artifacts

deps

gleam deps <SUBCOMMAND>

Work with dependency packages

deps download

gleam deps download

Download all dependency packages

deps list

gleam deps list

List all dependency packages

deps update

gleam deps update

Update dependency packages to their latest versions

docs

gleam docs <SUBCOMMAND>

Render HTML documentation

docs build

gleam docs build [OPTIONS]

Render HTML docs locally

Option Description
--open Opens the docs in a browser after rendering

docs publish

gleam docs publish

Publish HTML docs to HexDocs

This command uses this environment variables:

docs remove

gleam docs remove --package <PACKAGE> --version <VERSION>

Remove HTML docs from HexDocs

This command uses this environment variables:

Option Description
--package <PACKAGE> The name of the package  
--version <VERSION> The version of the docs to remove  

export

gleam export <SUBCOMMAND>

Export something useful from the Gleam project

export erlang-shipment

gleam export erlang-shipment

Precompiled Erlang, suitable for deployment

export hex-tarball

gleam export hex-tarball

The package bundled into a tarball, suitable for publishing to Hex

export javascript-prelude

gleam export javascript-prelude

The JavaScript prelude module

export package-interface

gleam export package-interface --out <OUTPUT>

Information on the modules, functions, and types in the project in JSON format

Option Description
--out <OUTPUT> The path to write the JSON file to

export typescript-prelude

gleam export typescript-prelude

The TypeScript prelude module

fix

gleam fix

Rewrite deprecated Gleam code

format

gleam format [OPTIONS] [FILES]...

Format source code

Option Description
--check Check if inputs are formatted without changing them
--stdin Read source from STDIN

help

gleam help [SUBCOMMAND]...

Print this message or the help of the given subcommand(s)

hex

gleam hex <SUBCOMMAND>

Work with the Hex package manager

hex retire

gleam hex retire <PACKAGE> <VERSION> <REASON> [MESSAGE]

Retire a release from Hex

This command uses this environment variables:

hex unretire

gleam hex unretire <PACKAGE> <VERSION>

Un-retire a release from Hex

This command uses this environment variables:

lsp

gleam lsp

Run the language server, to be used by editors

new

gleam new [OPTIONS] <PROJECT_ROOT>

Create a new project

Option Description
--name <NAME> Name of the project
--skip-git Skip git initialization and creation of .gitignore, .git/* and .github/* files
--skip-github Skip creation of .github/* files
--template <TEMPLATE> [default: lib] [possible values: lib]

publish

gleam publish [OPTIONS]

Publish the project to the Hex package manager

This command uses this environment variables:

Option Description
--replace  
-y, --yes  

remove

gleam remove <PACKAGES>...

Remove project dependencies

run

gleam run [OPTIONS] [ARGUMENTS]...

Run the project

Option Description
-m, --module <MODULE> The module to run
--runtime <RUNTIME>  
-t, --target <TARGET> The platform to target

shell

gleam shell

Start an Erlang shell

test

gleam test [OPTIONS] [ARGUMENTS]...

Run the project tests

Option Description
--runtime <RUNTIME>  
-t, --target <TARGET> The platform to target

update

gleam update

Update dependency packages to their latest versions