--- title: "Usage" --- Prerequisite: [Install the CLI](/cli/overview) ## Authenticate To use the Infisical CLI in your development environment, you can run the command below. This will allow you to access the features and functionality provided by the CLI. ```bash infisical login ``` To use Infisical CLI in environments where you cannot run the `infisical login` command, you can authenticate via a Infisical Token instead. Learn more about [Infisical Token](../getting-started/dashboard/token). ## Initialize Infisical for your project ```bash # navigate to your project cd /path/to/project # initialize infisical infisical init ``` ## Inject environment variables ```bash # inject environment variables into app infisical run -- [your application start command] ``` View all available options for `run` command [here](./commands/run) ## Examples: ```bash # example with node infisical run -- node index.js # example with node (nodemon) infisical run -- nodemon index.js # example with node (nodemon) pulling in secrets from test environment infisical run --env=test -- nodemon index.js # example with flask infisical run -- flask run ```