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Explains order of precedence between env-file and env (#2903)
Resolves #1312
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@ -88,6 +88,19 @@ Values in the shell take precedence over those specified in the `.env` file. If
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services:
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services:
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web:
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web:
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image: 'webapp:v2.0'
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image: 'webapp:v2.0'
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When values are provided with both with shell `environment` variable and with an `env_file` configuration file, values of environment variables will be taken from environment file first and then from environment key:
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$ cat docker-compose.yml
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version: '2.0'
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services:
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web:
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image: 'webapp:v1.5'
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env_file:
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- ./test
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environment:
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- var=1
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## Configuring Compose using environment variables
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## Configuring Compose using environment variables
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