authelia/docs/configuration/logging.md

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---
layout: default
title: Logging
parent: Configuration
nav_order: 5
---
# Logging
The logging section tunes the logging settings.
## Configuration
```yaml
log:
level: info
format: text
file_path: ""
keep_stdout: false
```
## Options
### level
<div markdown="1">
type: string
{: .label .label-config .label-purple }
default: info
{: .label .label-config .label-blue }
required: no
{: .label .label-config .label-green }
</div>
Defines the level of logs used by Authelia. This level can be set to `trace`, `debug`, `info`, `warn`, or `error`. When
setting level to `trace`, you will generate a large amount of log entries and expose the `/debug/vars` and
`/debug/pprof/` endpoints which should not be enabled in production.
```yaml
log:
level: debug
```
### format
<div markdown="1">
type: string
{: .label .label-config .label-purple }
default: text
{: .label .label-config .label-blue }
required: no
{: .label .label-config .label-green }
</div>
Defines the format of the logs written by Authelia. This format can be set to `json` or `text`.
```yaml
log:
format: json
```
#### JSON format
```
{"level":"info","msg":"Logging severity set to info","time":"2020-01-01T00:00:00+11:00"}
{"level":"info","msg":"Authelia is listening for non-TLS connections on 0.0.0.0:9091","time":"2020-01-01T00:00:00+11:00"}
```
#### Text format
```
time="2020-01-01T00:00:00+11:00" level=info msg="Logging severity set to info"
time="2020-01-01T00:00:00+11:00" level=info msg="Authelia is listening for non-TLS connections on 0.0.0.0:9091"
```
### file_path
<div markdown="1">
type: string (path)
{: .label .label-config .label-purple }
default: ""
{: .label .label-config .label-blue }
required: no
{: .label .label-config .label-green }
</div>
Logs can be stored in a file when file path is provided. Otherwise logs are written to standard output. When setting the
level to `debug` or `trace` this will generate large amount of log entries. Administrators will need to ensure that
they rotate and/or truncate the logs over time to prevent significant long-term disk usage.
```yaml
log:
file_path: /config/authelia.log
```
### keep_stdout
<div markdown="1">
type: boolean
{: .label .label-config .label-purple }
default: false
{: .label .label-config .label-blue }
required: no
{: .label .label-config .label-green }
</div>
Overrides the behaviour to redirect logging only to the `file_path`. If set to `true` logs will be written to both
standard output, and the defined logging location.
```yaml
log:
keep_stdout: true
```