# Docker environment variables

| Environment Variable     | Description                                                                                                                                                                                    | Default       |
|--------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|
| EASYHAPROXY_DISCOVER     | How the services will be discovered to create `haproxy.cfg`:  `static`, `docker`, `swarm` or `kubernetes`                                                                                      | **required**  |
| EASYHAPROXY_LABEL_PREFIX | (Optional) The key will search for matching resources.                                                                                                                                         | `easyhaproxy` |
| EASYHAPROXY_CERTBOT_*    | (Optional) Enable Let's Encrypt or any other ACME certificate. See more: [acme](acme.md)                                                                                                       | *empty*       |
| EASYHAPROXY_SSL_MODE     | (Optional) `strict` supports only the most recent TLS version; `default` good SSL integration with recent browsers; `loose` supports all old SSL protocols for old browsers (not recommended). | `default`     |
| EASYHAPROXY_REFRESH_CONF | (Optional) Check for new containers/services every N seconds.                                                                                                                                  | 10            |
| EASYHAPROXY_LOG_LEVEL    | (Optional) The log level for EasyHAproxy messages. Available: TRACE,DEBUG,INFO,WARN,ERROR,FATAL                                                                                                | INFO          |
| CERTBOT_LOG_LEVEL        | (Optional) The log level for Certbot messages. Available: TRACE,DEBUG,INFO,WARN,ERROR,FATAL                                                                                                    | DEBUG         |
| HAPROXY_LOG_LEVEL        | (Optional) The log level for HAProxy messages. Available: TRACE,DEBUG,INFO,WARN,ERROR,FATAL                                                                                                    | DEBUG         |
| HAPROXY_USERNAME         | (Optional) The HAProxy username to the statistics.                                                                                                                                             | `admin`       |
| HAPROXY_PASSWORD         | (Optional) The HAProxy password to the statistics. If not set, statistics will be available with no password                                                                                   | *empty*       |
| HAPROXY_STATS_PORT       | (Optional) The HAProxy port to the statistics. If set to `false`, disable statistics                                                                                                           | `1936`        |
| HAPROXY_CUSTOMERRORS     | (Optional) If HAProxy will use custom HTML errors. true/false.                                                                                                                                 | `false`       |


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