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  • Environment variables
  • Docker secrets

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  1. Installation
  2. Docker Compose Install
  3. Database images

keeper/guacamole-db-postgres

Docker deployment of Postgres with Keeper Connection Manager

Previouskeeper/guacamole-db-mysqlNextSSL Termination

Last updated 1 year ago

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Image: keeper/guacamole-db-postgres

keeper/guacamole-db-postgres is a Dockerized deployment of PostgreSQL, built off which is automatically initialized with the Apache Guacamole database schema. It is built using the packages provided by Keeper Connection Manager and made available under the same . It is normally used to provide a PostgreSQL database for a container using the image.

Environment variables

In addition to the environment variables documented below, all environment variables supported by are accepted, as the official PostgreSQL image forms the basis of this image.

ACCEPT_EULA

The ACCEPT_EULA environment variable must be set to "Y" to indicate your acceptance of the . This Docker image may not be used except under the terms of the EULA.

POSTGRES_PASSWORD

The PostgreSQL administrator password.

GUACAMOLE_DATABASE

The name of the database to create and initialized for use with Apache Guacamole. This environment variable ultimately maps to the POSTGRES_DB environment variable of the official PostgreSQL image. If omitted, the default value defined by the official PostgreSQL image will be used.

The GUACAMOLE_DATABASE variable is provided here for consistency with the other Guacamole-specific variables and may be omitted if POSTGRES_DB is provided.

GUACAMOLE_ADMIN_PASSWORD

This is the Administrator password for the guacadmin user.

GUACAMOLE_USERNAME and GUACAMOLE_PASSWORD

The username and password to use for the PostgreSQL database user specific to the Guacamole web application. This pair of variables differ from the POSTGRES_USER and POSTGRES_PASSWORD environment variables provided by in that the created user has limited privileges, being granted only what privileges are absolutely required for Guacamole to run.

Docker secrets

Rather than pass data directly in environment variables, a _FILE suffix may be added to any environment variable supported by this image to force that variable to be read from the named file within the container. As Docker secrets store sensitive data within files beneath /run/secrets/ within the container, this can be used to load sensitive data from Docker secrets.

For example, to load the username and password for the limited-privilege user specific to the Guacamole web application from Docker secrets:

docker run --name some-guacamole-db \
    -e ACCEPT_EULA=Y \
    -e GUACAMOLE_DATABASE=guacamole_db \
    -e POSTGRES_PASSWORD=some_password \
    -e GUACAMOLE_ADMIN_PASSWORD=some_password \
    -e GUACAMOLE_USERNAME_FILE=/run/secrets/postgres-username \
    -e GUACAMOLE_PASSWORD_FILE=/run/secrets/postgres-password \
    -d keeper/guacamole-db-postgres

The GUACAMOLE_USERNAME and GUACAMOLE_PASSWORD are not strictly required, as the user created with POSTGRES_USER and POSTGRES_PASSWORD may be used instead, however they are strongly recommended to ensure the is followed.

Docker's official PostgreSQL image
EULA
keeper/guacamole
the official Docker PostgreSQL image
Keeper Connection Manager EULA
the official PostgreSQL image
Principle of Least Privilege