Environment variable	Description
`CHROMATIC_PROJECT_TOKEN`	Project token, see `--project-token`
`CHROMATIC_SHA`	Git commit hash. See troubleshooting guide for issues
`CHROMATIC_BRANCH`	Git branch name. See `--branch-name` for additional options and troubleshooting guide for issues
`CHROMATIC_SLUG`	Git repository slug (e.g., `chromaui/chromatic-cli`). See troubleshooting guide for issues
`CHROMATIC_POLL_INTERVAL`	Polling interval when waiting for the build to finish (default: `1000`)
`CHROMATIC_OUTPUT_INTERVAL`	Frequency of progress output while polling or uploading (default: `10000`)
`CHROMATIC_RETRIES`	Number of times to retry file upload (default: `5`)
`CHROMATIC_STORYBOOK_VERSION`	Overrides Storybook package/version detection (e.g. `@storybook/react@7.0.1-alpha.25`)
`CHROMATIC_TIMEOUT`	Number of ms before giving up on `storybook dev` (default: `300000` (5 minutes))
`STORYBOOK_BUILD_TIMEOUT`	Number of ms before giving up on `storybook build` (default: `600000` (10 minutes))
`CHROMATIC_DNS_SERVERS`	Overrides the DNS server IP address(es) used by node-fetch, comma-separated. See troubleshooting guide for issues
`CHROMATIC_DNS_FAILOVER_SERVERS`	Fallback DNS server IPs (default: `1.1.1.1`, `8.8.8.8` (Cloudflare, Google)). See troubleshooting guide for issues
`CI`	See `--ci`
`LOG_LEVEL`	One of: `silent`, `error`, `warn`, `info`, `debug`
`DISABLE_LOGGING`	Set to `true` to disable logging. Equal to `LOG_LEVEL=silent`
`HTTPS_PROXY` or `HTTP_PROXY`	Used to configure https-proxy-agent. See troubleshooting guide for issues

Install