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feat: make log format configurable (#4851)

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* made logformat configurable

* [autofix.ci] apply automated fixes

* documentation of log format env var

* log stuff at one place in documentation

* added documentation of log environment

* check for log format

* [autofix.ci] apply automated fixes

* just load log format on custom logenv

* [autofix.ci] apply automated fixes

* no more invalid whitespaces

* fixed br s with escape

* logging error in case of invalid format string

---------

Co-authored-by: Kraxner Thomas <thomas.kraxner@illwerkevkw.at>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
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Thomas Kraxner 2024-11-27 15:28:50 +01:00 • committed by GitHub
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docs/docs/Configuration/environment-variables.md
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@ -122,7 +122,10 @@ The following table lists the environment variables supported by Langflow.
| <a id="LANGFLOW_HEALTH_CHECK_MAX_RETRIES"></a>`LANGFLOW_HEALTH_CHECK_MAX_RETRIES` | Integer | `5` | Set the maximum number of retries for the health check.<br/>See [`--health-check-max-retries` option](./configuration-cli.md#run-health-check-max-retries). |
| <a id="LANGFLOW_HOST"></a>`LANGFLOW_HOST` | String | `127.0.0.1` | The host on which the Langflow server will run.<br/>See [`--host` option](./configuration-cli.md#run-host). |
| <a id="LANGFLOW_LANGCHAIN_CACHE"></a>`LANGFLOW_LANGCHAIN_CACHE` | `InMemoryCache`<br/>`SQLiteCache` | `InMemoryCache` | Type of cache to use.<br/>See [`--cache` option](./configuration-cli.md#run-cache). |
| <a id="LANGFLOW_MAX_FILE_SIZE_UPLOAD"></a>`LANGFLOW_MAX_FILE_SIZE_UPLOAD` | Integer | `100` | Set the maximum file size for the upload in megabytes.<br/>See [`--max-file-size-upload` option](./configuration-cli.md#run-max-file-size-upload). |
| <a id="LANGFLOW_LOG_ENV"></a>`LANGFLOW_LOG_ENV` | `container_json`<br/>`container_csv`<br/> | Not set | Set the log environment. Default (Not set) is json with color. If not set a format string can be provided.<br/> See [`LANGFLOW_LOG_FORMAT`](#LANGFLOW_CACHE_TYPE) |
| <a id="LANGFLOW_LOG_FILE"></a>`LANGFLOW_LOG_FILE` | String | `logs/langflow.log` | Set the path to the log file for Langflow.<br/>See [`--log-file` option](./configuration-cli.md#run-log-file). |
| <a id="LANGFLOW_LOG_FORMAT"></a>`LANGFLOW_LOG_FORMAT` | String | `<green>{time:YYYY-MM-DD HH:mm:ss}</green> - <level>{level: <8}</level> - {module} - <level>{message}</level>` | Configure the logformat.<br/>For example without colors: `{time:YYYY-MM-DD HH:mm:ss.SSS} {level} {file} {line} {function} {message}` <br/> If [`LANGFLOW_LOG_ENV`](#LANGFLOW_LOG_ENV) is set this configuration will be ignored.
| <a id="LANGFLOW_LOG_LEVEL"></a>`LANGFLOW_LOG_LEVEL` | `debug`<br/>`info`<br/>`warning`<br/>`error`<br/>`critical` | `critical` | Set the logging level.<br/>See [`--log-level` option](./configuration-cli.md#run-log-level). |
| <a id="LANGFLOW_MAX_FILE_SIZE_UPLOAD"></a>`LANGFLOW_MAX_FILE_SIZE_UPLOAD` | Integer | `100` | Set the maximum file size for the upload in megabytes.<br/>See [`--max-file-size-upload` option](./configuration-cli.md#run-max-file-size-upload). |
| <a id="LANGFLOW_OPEN_BROWSER"></a>`LANGFLOW_OPEN_BROWSER` | Boolean | `true` | Open the system web browser on startup.<br/> See [`--open-browser` option](./configuration-cli.md#run-open-browser). |