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README.md: clarify that _HOST variables cannot be files

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The auto configuration sections seems to imply that POSTGRES_HOST and
MYSQL_HOST can be file variables, while this is not supported. If all
variables are set as files including the host, the installation will
not be done automatically.
This can be hard to figure out, as during the first start of the
container nothing indicates why the auto configuration is not done.

To try to make it a bit clearer in the README, explicitly mention that
using a file for the hosts variable is not supported.

Furthermore, in the docker secrets section it's currently easy to
misread the fact that the last variable mentioned (the host) is not
using '_FILE'. Since it's anyway not part of the group of variables
that support secrets, remove it from the list to avoid confusion.

Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
This commit is contained in:
Raphaël Mélotte 2023-09-26 11:38:07 +02:00
parent fef9785e23
commit f4429bb0ff
1 changed files with 2 additions and 2 deletions
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README.md
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@ -124,7 +124,7 @@ __PostgreSQL__:
- `POSTGRES_PASSWORD` Password for the database user using postgres.
- `POSTGRES_HOST` Hostname of the database server using postgres.
As an alternative to passing sensitive information via environment variables, `_FILE` may be appended to the previously listed environment variables, causing the initialization script to load the values for those variables from files present in the container. See [Docker secrets](#docker-secrets) section below.
As an alternative to passing sensitive information via environment variables, `_FILE` may be appended to the previously listed environment variables (except for `POSTGRES_HOST` and `MYSQL_HOST`, which cannot be loaded from files), , causing the initialization script to load the values for those variables from files present in the container. See [Docker secrets](#docker-secrets) section below.
If you set any group of values (i.e. all of `MYSQL_DATABASE`, `MYSQL_USER`, `MYSQL_PASSWORD`, `MYSQL_HOST`), they will not be asked in the install page on first run. With a complete configuration by using all variables for your database type, you can additionally configure your Nextcloud instance by setting admin user and password (only works if you set both):
@ -424,7 +424,7 @@ secrets:
Currently, this is only supported for `NEXTCLOUD_ADMIN_PASSWORD`, `NEXTCLOUD_ADMIN_USER`, `MYSQL_DATABASE`, `MYSQL_PASSWORD`, `MYSQL_USER`, `POSTGRES_DB`, `POSTGRES_PASSWORD`, `POSTGRES_USER`, `REDIS_HOST_PASSWORD`, `SMTP_PASSWORD`, `OBJECTSTORE_S3_KEY`, and `OBJECTSTORE_S3_SECRET`.
If you set any group of values (i.e. all of `MYSQL_DATABASE_FILE`, `MYSQL_USER_FILE`, `MYSQL_PASSWORD_FILE`, `MYSQL_HOST`), the script will not use the corresponding group of environment variables (`MYSQL_DATABASE`, `MYSQL_USER`, `MYSQL_PASSWORD`, `MYSQL_HOST`).
If you set any group of values (i.e. all of `MYSQL_DATABASE_FILE`, `MYSQL_USER_FILE`, `MYSQL_PASSWORD_FILE`), the script will not use the corresponding group of environment variables (`MYSQL_DATABASE`, `MYSQL_USER`, `MYSQL_PASSWORD`).
# Make your Nextcloud available from the internet
Until here, your Nextcloud is just available from your docker host. If you want your Nextcloud available from the internet adding SSL encryption is mandatory.