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GUACAMOLE-626: Update README.md

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Few additional formatting tweaks
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Thomas John Wesolowski
2019-01-19 00:12:54 -06:00
committed by GitHub
parent f1b9491969
commit f12dd1e2bb
1 changed files with 7 additions and 3 deletions
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8
guacamole-docker/README.md
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@@ -33,17 +33,21 @@ Docker Secrets
The string `_FILE` may be appended to some of the environment variables listed The string `_FILE` may be appended to some of the environment variables listed
below if you are using MySQL or PostgreSQL authentication. This will cause the below if you are using MySQL or PostgreSQL authentication. This will cause the
startup script to load the values for those variables from files within startup script to load the values for those variables from files within
the container. This is useful for specifying sensitive info, ie. passwords for the container.
This is useful for specifying sensitive info, ie. passwords for
the database, in secured files instead of plaintext environment variables. This the database, in secured files instead of plaintext environment variables. This
is generally used for loading values from [Docker secrets](https://docs.docker.com/engine/swarm/secrets/#read-more-about-docker-secret-commands), which are stored at is generally used for loading values from [Docker secrets](https://docs.docker.com/engine/swarm/secrets/#read-more-about-docker-secret-commands), which are stored at
`/run/secrets/<secret_name>` within the container. `/run/secrets/<secret_name>` within the container.
It is important to note that the startup script is configured such that: It is important to note that the startup script is configured such that:
1. You may mix the use of Docker secrets and normal environment variables. 1. You may mix the use of Docker secrets and normal environment variables.
For example, you may wish to use `MYSQL_USER_FILE` and `MYSQL_PASSWORD_FILE`, For example, you may wish to use `MYSQL_USER_FILE` and `MYSQL_PASSWORD_FILE`,
but wish to specify the database name with `MYSQL_DATABASE` but wish to specify the database name with `MYSQL_DATABASE`
2. If both a normal environment variable and its corresponding secret are defined 2. If both a normal environment variable and its corresponding secret are defined
in the same command line, or section with in a [Compose](https://docs.docker.com/compose/) file, in the same command line, or section within a [Compose](https://docs.docker.com/compose/) file,
the secret will take precedence. For instance, if both `MYSQL_PASSWORD` the secret will take precedence. For instance, if both `MYSQL_PASSWORD`
and `MYSQL_PASSWORD_FILE` are given, `MYSQL_PASSWORD_FILE` will be used. and `MYSQL_PASSWORD_FILE` are given, `MYSQL_PASSWORD_FILE` will be used.