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Self-Hosting Guide

This guide covers production deployments only. It does not apply to local development.

Note: Do not create .env.template, .env.example, or similar files that summarize the settings below. These settings are too important for a short summary.

The table below lists the environment variables that the app uses in production:

Env name Required Description
BROWSERFLEET_URL Yes Browser fleet origin
DATABASE_SSL_MODE No disable turns off TLS to Postgres
DATABASE_URL Yes Postgres connection string
ENV No Telemetry environment name (default: NODE_ENV)
MAX_PERSONAL_BROWSERS No Max browsers per personal workspace (default: 3)
MAX_TEAM_BROWSERS No Max browsers per team workspace (default: 10)
NODE_ENV No production enables production mode
OTEL_EXPORTER_OTLP_ENDPOINT No OTLP endpoint for logs and traces
OTEL_EXPORTER_OTLP_HEADERS No name=value pairs for OTLP authentication
OTEL_LOG_LEVEL No OTel diagnostic log level, for example debug
OTEL_SERVICE_NAME No Service name (default: remotebrowser)
PORT No Listen port (default: 3000)
PUBLIC_ORIGIN Yes Public https origin for sign-in links
RESOURCE_HMAC_SECRET Yes Secret for resource handles
SECURE_COOKIES No true marks cookies Secure
SESSION_NOT_BEFORE No Reject sessions issued before this Unix time (ms)
SESSION_SECRET Yes Secret(s) for auth data
SIGNIN_SENDER_EMAIL Yes Sender address for sign-in emails
SMTP_HOST Yes SMTP server hostname
SMTP_PASSWORD Yes SMTP password
SMTP_PORT No SMTP port (default: 587)
SMTP_USER Yes SMTP username

See Security, Sign-in, Database, and Instrumentation for details.