| NC_TOOL_DIR | App directory to keep metadata and app related files | Defaults to current working directory. In docker maps to `/usr/app/data/` for mounting volume. | |
| NC_PUBLIC_URL | Used for sending Email invitations | Best guess from http request params | |
| NC_INVITE_ONLY_SIGNUP | Removed since version 0.99.0 and now it's recommended to use [super admin settings menu](/setup-and-usages/account-settings#enable--disable-signup). Allow users to signup only via invite url, value should be any non-empty string. | | |
| NUXT_PUBLIC_NC_BACKEND_URL | Custom Backend URL | ``http://localhost:8080`` will be used | |
| NC_DISABLE_CACHE | To be used only while debugging. On setting this to `true` - meta data be fetched from db instead of redis/cache. | `false` | |
| NC_BASEURL_INTERNAL | Used as base url for internal(server) API calls | Default value in docker will be `http://localhost:$PORT` and in all other case it's populated from request object | |
| AWS_ACCESS_KEY_ID | For Litestream - S3 access key id | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_SECRET_ACCESS_KEY | For Litestream - S3 secret access key | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_BUCKET | For Litestream - S3 bucket | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_BUCKET_PATH | For Litestream - S3 bucket path (like folder within S3 bucket) | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| NC_SMTP_HOST | For SMTP plugin - SMTP host value | | |
| NC_SMTP_PORT | For SMTP plugin - SMTP port value | | |
| NC_SMTP_USERNAME | For SMTP plugin (Optional) - SMTP username value for authentication | | |
| NC_SMTP_PASSWORD | For SMTP plugin (Optional) - SMTP password value for authentication | | |
| NC_SMTP_SECURE | For SMTP plugin (Optional) - To enable secure set value as `true` any other value treated as false | | |
| NC_SMTP_IGNORE_TLS | For SMTP plugin (Optional) - To ignore tls set value as `true` any other value treated as false. For more info visit https://nodemailer.com/smtp/ | | |
| NC_S3_BUCKET_NAME | For S3 storage plugin - AWS S3 bucket name | | |
| NC_S3_REGION | For S3 storage plugin - AWS S3 region | | |
| NC_S3_ACCESS_KEY | For S3 storage plugin - AWS access key credential for accessing resource | | |
| NC_S3_ACCESS_SECRET | For S3 storage plugin - AWS access secret credential for accessing resource | | |
| NC_ADMIN_EMAIL | For updating/creating super admin with provided email and password | | |
| NC_ATTACHMENT_FIELD_SIZE | For setting the attachment field size(in Bytes) | Defaults to 20MB | |
| NC_ADMIN_PASSWORD | For updating/creating super admin with provided email and password. Your password should have at least 8 letters with one uppercase, one number and one special letter(Allowed special chars $&+,:;=?@#\|'.^*()%!_-" ) | | |
| NODE_OPTIONS | For passing Node.js [options](https://nodejs.org/api/cli.html#node_optionsoptions) to instance | | |
| NC_MINIMAL_DBS | Create a new SQLite file for each project. All the db files are stored in `nc_minimal_dbs` folder in current working directory. (This option restricts project creation on external sources) | | |
| Variable | Comments | If absent | |
|---|---|---|---|
| NC_DB | See our database URLs | A local SQLite will be created in root folder if `NC_DB` is not provided | |
| NC_DB_JSON | Can be used instead of `NC_DB` and value should be valid knex connection JSON | | |
| NC_DB_JSON_FILE | Can be used instead of `NC_DB` and value should be a valid path to knex connection JSON | | |
| DATABASE_URL | JDBC URL Format. Can be used instead of NC_DB. | | |
| DATABASE_URL_FILE | Can be used instead of DATABASE_URL: path to file containing JDBC URL Format. | | |
| NC_AUTH_JWT_SECRET | JWT secret used for auth and storing other secrets | A random secret will be generated | |
| PORT | For setting app running port | `8080` | |
| NC_TOOL_DIR | App directory to keep metadata and app related files | Defaults to current working directory. In docker maps to `/usr/app/data/` for mounting volume. | |
| NC_PUBLIC_URL | Used for sending Email invitations | Best guess from http request params | |
| NC_INVITE_ONLY_SIGNUP | Removed since version 0.99.0 and now it's recommended to use [super admin settings menu](/setup-and-usages/account-settings#enable--disable-signup). Allow users to signup only via invite url, value should be any non-empty string. | | |
| NUXT_PUBLIC_NC_BACKEND_URL | Custom Backend URL | ``http://localhost:8080`` will be used | |
| NC_DISABLE_CACHE | To be used only while debugging. On setting this to `true` - meta data be fetched from db instead of redis/cache. | `false` | |
| NC_BASEURL_INTERNAL | Used as base url for internal(server) API calls | Default value in docker will be `http://localhost:$PORT` and in all other case it's populated from request object | |
| AWS_ACCESS_KEY_ID | For Litestream - S3 access key id | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_SECRET_ACCESS_KEY | For Litestream - S3 secret access key | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_BUCKET | For Litestream - S3 bucket | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| AWS_BUCKET_PATH | For Litestream - S3 bucket path (like folder within S3 bucket) | If Litestream is configured and `NC_DB` is not present. SQLite gets backed up to S3 | |
| NC_SMTP_HOST | For SMTP plugin - SMTP host value | | |
| NC_SMTP_PORT | For SMTP plugin - SMTP port value | | |
| NC_SMTP_USERNAME | For SMTP plugin (Optional) - SMTP username value for authentication | | |
| NC_SMTP_PASSWORD | For SMTP plugin (Optional) - SMTP password value for authentication | | |
| NC_SMTP_SECURE | For SMTP plugin (Optional) - To enable secure set value as `true` any other value treated as false | | |
| NC_SMTP_IGNORE_TLS | For SMTP plugin (Optional) - To ignore tls set value as `true` any other value treated as false. For more info visit https://nodemailer.com/smtp/ | | |
| NC_S3_BUCKET_NAME | For S3 storage plugin - AWS S3 bucket name | | |
| NC_S3_REGION | For S3 storage plugin - AWS S3 region | | |
| NC_S3_ACCESS_KEY | For S3 storage plugin - AWS access key credential for accessing resource | | |
| NC_S3_ACCESS_SECRET | For S3 storage plugin - AWS access secret credential for accessing resource | | |
| NC_ADMIN_EMAIL | For updating/creating super admin with provided email and password | | |
| NC_ATTACHMENT_FIELD_SIZE | For setting the attachment field size(in Bytes) | Defaults to 20MB | |
| NC_ADMIN_PASSWORD | For updating/creating super admin with provided email and password. Your password should have at least 8 letters with one uppercase, one number and one special letter(Allowed special chars $&+,:;=?@#\|'.^*()%!_-" ) | | |
| NODE_OPTIONS | For passing Node.js [options](https://nodejs.org/api/cli.html#node_optionsoptions) to instance | | |
| NC_MINIMAL_DBS | Create a new SQLite file for each project. All the db files are stored in `nc_minimal_dbs` folder in current working directory. (This option restricts project creation on external sources) | | |
We are keeping all the user operation logs under Audit. To access it, click the down arrow button next to Project Name on the top left side, then select `Team & Settings`.
<alert>
We can disable audit logs by setting `NC_DISABLE_AUDIT` to `true`.