1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
version: "3.7"
services:
variables:
image: busybox
command: ["/bin/busybox", "sh", "-c", "export | grep EXAMPLE"]
environment:
EXAMPLE_VARIABLE: "Host user: $EXAMPLE_VARIABLE_USER"
EXAMPLE_BRACES: "Host user: ${EXAMPLE_VARIABLE_USER}"
EXAMPLE_COLON_DASH_DEFAULT: ${NOT_A_VARIABLE:-My default}
EXAMPLE_DASH_DEFAULT: ${NOT_A_VARIABLE-My other default}
EXAMPLE_DOT_ENV: $DOT_ENV_VARIABLE
EXAMPLE_LITERAL: This is a $$literal
EXAMPLE_EMPTY: $NOT_A_VARIABLE
labels_test:
image: busybox
labels:
- "$TEST_LABELS=test_labels"
- test.${TEST_LABELS}=${TEST_LABELS}
- "${TEST_LABELS}.test2=test2(`${TEST_LABELS}`)"
|
