# doppler > Manage environment variables across different environments using Doppler. > Some subcommands such as `doppler run` and `doppler secrets` have their own usage documentation. > More information: . - Setup Doppler CLI in the current directory: `doppler setup` - Setup Doppler project and config in current directory: `doppler setup` - Run a command with secrets injected into the environment: `doppler run --command {{command}}` - View your project list: `doppler projects` - View your secrets for current project: `doppler secrets` - Open Doppler dashboard in browser: `doppler open`