21 lines
773 B
YAML
21 lines
773 B
YAML
version: "3.7"
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services:
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variables:
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image: busybox
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command: ["/bin/busybox", "sh", "-c", "export | grep EXAMPLE"]
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environment:
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EXAMPLE_VARIABLE: "Host user: $EXAMPLE_VARIABLE_USER"
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EXAMPLE_BRACES: "Host user: ${EXAMPLE_VARIABLE_USER}"
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EXAMPLE_COLON_DASH_DEFAULT: ${NOT_A_VARIABLE:-My default}
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EXAMPLE_DASH_DEFAULT: ${NOT_A_VARIABLE-My other default}
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EXAMPLE_DOT_ENV: $DOT_ENV_VARIABLE
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EXAMPLE_LITERAL: This is a $$literal
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EXAMPLE_EMPTY: $NOT_A_VARIABLE
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labels_test:
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image: busybox
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labels:
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- "$TEST_LABELS=test_labels"
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- test.${TEST_LABELS}=${TEST_LABELS}
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- "${TEST_LABELS}.test2=test2(`${TEST_LABELS}`)"
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