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30 lines
789 B
Markdown
30 lines
789 B
Markdown
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---
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title: "Docker Secrets"
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date: 2022-02-04T23:59:13-05:00
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draft: false
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tags: []
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math: false
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---
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I try to keep secrets such as passwords and keys out in their own separate files so that I can `.gitignore` them and commit the rest of my configuration. With `docker-compose` we can do that with the `env_file` field. Here is an example with a postgres configuration:
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```yaml
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database:
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image: postgres:13.4
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container_name: database
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hostname: database
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env_file:
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- Volumes/database/docker.env
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volumes:
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- Volumes/database/var/lib/postgresql/data:/var/lib/postgresql/data
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```
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Then in `Volumes/database/docker.env` I can have a file with the secrets as key-value pairs:
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```yaml
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POSTGRES_USER=user
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POSTGRES_PASSWORD=389ed93045c84cc0828c4310e6ef76ce
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POSTGRES_DB=database
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```
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