1.2 KiB
| layout | title |
|---|---|
| default | Fig environment variables reference |
Environment variables reference
Fig uses Docker links to expose services' containers to one another. Each linked container injects a set of environment variables, each of which begins with the uppercase name of the container.
To see what environment variables are available to a service, run fig run SERVICE env.
name_PORT
Full URL, e.g. DB_1_PORT=tcp://172.17.0.5:5432
name_PORT_num_protocol
Full URL, e.g. DB_1_PORT_5432_TCP=tcp://172.17.0.5:5432
name_PORT_num_protocol_ADDR
Container's IP address, e.g. DB_1_PORT_5432_TCP_ADDR=172.17.0.5
name_PORT_num_protocol_PORT
Exposed port number, e.g. DB_1_PORT_5432_TCP_PORT=5432
name_PORT_num_protocol_PROTO
Protocol (tcp or udp), e.g. DB_1_PORT_5432_TCP_PROTO=tcp
name_NAME
Fully qualified container name, e.g. DB_1_NAME=/myapp_web_1/myapp_db_1