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# Logging docs | ||
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Acapy supports multiple configurations of logging. | ||
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## Log level | ||
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Acapy's logging is based on python's [logging lib](https://docs.python.org/3/howto/logging.html). | ||
Log levels `DEBUG`, `INFO` and `WARNING` are available. | ||
Other log levels fall back to `WARNING`. | ||
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## Command Line Arguments | ||
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* `--log-level` - The log level to log on std out. | ||
* `--log-file` - Path to a file to log to. | ||
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Example: | ||
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```sh | ||
./bin/aca-py start --log-level debug --log-file acapy.log | ||
``` | ||
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## Environment Variables | ||
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The log level can be configured using the environment variable `ACAPY_LOG_LEVEL`. | ||
The log file can be set by `ACAPY_LOG_FILE`. | ||
The log config can be set by `ACAPY_LOG_CONFIG`. | ||
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Example: | ||
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```sh | ||
ACAPY_LOG_LEVEL=info ACAPY_LOG_FILE=./acapy.log ACAPY_LOG_CONFIG=./acapy_log.ini ./bin/aca-py start | ||
``` | ||
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## Acapy Config File | ||
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Following parameters can be used in a configuration file like [this](demo/demo-args.yaml). | ||
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```yaml | ||
log-level: WARNING | ||
debug-connections: false | ||
debug-presentations: false | ||
``` | ||
Warning: debug-connections and debug-presentations must not be used in a production environment as they log also credential claims values. | ||
Both parameters are independent of the log level, which means: | ||
Also if log-level is set to WARNING, connections and presentations will be logged like in debug log level. | ||
## Log config file | ||
Find an example in [default_logging_config.ini](aries_cloudagent/config/default_logging_config.ini). | ||
You can find more detail description in the [logging documentation](https://docs.python.org/3/howto/logging.html#configuring-logging). |