# 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_LETSENCRYPT_EMAIL | (Optional) The email will be used to request the certificate to Letsencrypt | *empty* | | EASYHAPROXY_LETSENCRYPT_SERVER | (Optional) Can be true or 'schema://domain.tld'. If set, will try to connect to the Letsencrypt test server | false | | 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 configuration every N seconds. | 10 | | EASYHAPROXY_LOG_LEVEL | (Optional) The log level for EasyHAproxy messages. Available: TRACE,DEBUG,INFO,WARN,ERROR,FATAL | DEBUG | | 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` | ---- [Open source ByJG](http://opensource.byjg.com)