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9 lines
234 B
YAML
9 lines
234 B
YAML
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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_COLON_QUESTION_ERROR: ${NOT_A_VARIABLE:?Missing variable}
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