talk/docs/configuration.md

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Configuration	homepage	talk_sidebar	configuration.html

The Talk application looks for the following configuration values either as environment variables:

• TALK_MONGO_URL (required) - the database connection string for the MongoDB database.
• TALK_REDIS_URL (required) - the database connection string for the Redis database.
• TALK_ROOT_URL (required) - root url of the installed application externally available in the format: <scheme>://<host> without the path.
• TALK_JWT_SECRET (required) - a long and cryptographical secure random string which will be used to sign and verify tokens via a HS256 algorithm.
• TALK_JWT_EXPIRY (optional) - the expiry duration (exp) for the tokens issued for logged in sessions (Default 1 day)
• TALK_JWT_ISSUER (optional) - the issuer (iss) claim for login JWT tokens (Default process.env.TALK_ROOT_URL)
• TALK_JWT_AUDIENCE (optional) - the audience (aud) claim for login JWT tokens (Default talk)
• TALK_SMTP_EMAIL (required for email) - the address to send emails from using the SMTP provider.
• TALK_SMTP_USERNAME (required for email) - username of the SMTP provider you are using.
• TALK_SMTP_PASSWORD (required for email) - password for the SMTP provider you are using.
• TALK_SMTP_HOST (required for email) - SMTP host url with format smtp.domain.com.
• TALK_SMTP_PORT (required for email) - SMTP port.
• TALK_INSTALL_LOCK (optional for dynamic setup) - Defaults to FALSE. When TRUE, disables the dynamic setup endpoint.
• TALK_RECAPTCHA_SECRET (required for reCAPTCHA support) - server secret used for enabling reCAPTCHA powered logins. If not provided it will instead default to providing only a time based lockout.
• TALK_RECAPTCHA_PUBLIC (required for reCAPTCHA support) - client secret used for enabling reCAPTCHA powered logins. If not provided it will instead default to providing only a time based lockout.
• TALK_PLUGINS_JSON (optional) - used to specify the plugin config via the environment

Refer to the wiki page on Configuration Loading for alternative methods of loading configuration during development.