From 08cae3bf675e4fd1f6523c39967badd56626202d Mon Sep 17 00:00:00 2001
From: Martins Sipenko <martins.sipenko@gmail.com>
Date: Thu, 24 Oct 2019 11:34:10 +0300
Subject: [PATCH] Document env vars.

---
 website/docs/index.html.markdown | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/website/docs/index.html.markdown b/website/docs/index.html.markdown
index e9232c044..31263ca71 100644
--- a/website/docs/index.html.markdown
+++ b/website/docs/index.html.markdown
@@ -76,9 +76,9 @@ $ export all_proxy="socks5://your.proxy:3306"
 
 The following arguments are supported:
 
-* `endpoint` - (Required) The address of the MySQL server to use. Most often a "hostname:port" pair, but may also be an absolute path to a Unix socket when the host OS is Unix-compatible.
-* `username` - (Required) Username to use to authenticate with the server.
-* `password` - (Optional) Password for the given user, if that user has a password.
-* `tls` - (Optional) The TLS configuration. One of `false`, `true`, or `skip-verify`. Defaults to `false`.
+* `endpoint` - (Required) The address of the MySQL server to use. Most often a "hostname:port" pair, but may also be an absolute path to a Unix socket when the host OS is Unix-compatible. Can also be sourced from the `MYSQL_ENDPOINT` environment variable.
+* `username` - (Required) Username to use to authenticate with the server, can also be sourced from the `MYSQL_USERNAME` environment variable.
+* `password` - (Optional) Password for the given user, if that user has a password, can also be sourced from the `MYSQL_PASSWORD` environment variable.
+* `tls` - (Optional) The TLS configuration. One of `false`, `true`, or `skip-verify`. Defaults to `false`. Can also be sourced from the `MYSQL_TLS_CONFIG` environment variable.
 * `max_conn_lifetime_sec` - (Optional) Sets the maximum amount of time a connection may be reused. If d <= 0, connections are reused forever.
 * `max_open_conns` - (Optional) Sets the maximum number of open connections to the database. If n <= 0, then there is no limit on the number of open connections.