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Support _FILE postfixes for environment variables (#1142)

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* Support _FILE postfixes for environment variables to be loaded from files

* fix gofmt error
This commit is contained in:
james h
2018-07-30 20:13:06 +02:00
committed by Reed Allman
parent e7188d0e30
commit 61d42e7621
2 changed files with 25 additions and 0 deletions
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8
docs/operating/options.md
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@@ -19,6 +19,14 @@ docker run. For example:
docker run -e VAR_NAME=VALUE ...
```
Additionally you may desire to load the environment variables from files, for example if you are using Docker Secrets, in that case you may append
`_FILE` to the end of any variable name and specify the file location. The variable will be filled with the file's contents. For example:
```sh
docker run -e VAR_NAME_FILE=/path/to/secret ...
```
| Env Variables | Description | Default values |
| --------------|-------------|----------------|
| `FN_DB_URL` | The database URL to use in URL format. See [Databases](databases/README.md) for more information. | sqlite3:///app/data/fn.db |