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Merge pull request #7107 from nielssorensen/patch-1 

Insert shell env var into env var priority order
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Tammy Fox 2018-08-06 16:07:18 -04:00 committed by GitHub
parent 50baf2f3cc 27d22a2e8d
commit 259b9e79bc
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9
compose/environment-variables.md
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@ -129,10 +129,11 @@ services:
When you set the same environment variable in multiple files, here's the
priority used by Compose to choose which value to use:
1. Compose file,
2. Environment file,
3. Dockerfile,
4. Variable is not defined.
1. Compose file
2. Shell environment variables
3. Environment file
4. Dockerfile
5. Variable is not defined
In the example below, we set the same environment variable on an Environment
file, and the Compose file: