env
(OPTIONAL)
This is a definition of environment variables. These variables will be available within the running docker containers, similar to executing docker run -e. Entries must be of type string. Also refer to the documentation of each Docker image to learn which environment variables it supports.
Example:
{"env": {
"FIRST_VARIABLE": "first",
"SECOND_VARIABLE": "second",
"NUMERIC_VARIABLE": "123",
"MYSQL_ROOT_PASSWORD": "secr3t",
"MYSQL_USER": "username",
"MYSQL_PASSWORD": "password",
"MYSQL_DATABASE": "db-name"
}}You will learn how to customize loadbalancer settings here.