Unable to connect to 'db'

[GregLeonhardt]

I attempted to change the database server name from 'db:' to something else. At startup the humhub container would fail to establish communications to 'db'. This was curious since the docker-compose.yml file contained absolutely no references to 'db'. I am guessing it is hard coded somewhere else.

[mriedmann]

Hi!

Not hardcoded but defined using defaults: https://github.com/mriedmann/humhub-docker/blob/master/docker-entrypoint.sh

Just add the right env variables and you should be good to go.

HUMHUB_DB_NAME=${HUMHUB_DB_NAME:-"humhub"}
HUMHUB_DB_HOST=${HUMHUB_DB_HOST:-"db"}
HUMHUB_DB_PORT=${HUMHUB_DB_PORT:-3306}

[GregLeonhardt]

I set the database host, password etc. during initial configuration. I should also point out that the database is being initialized with tables etc. The problem is that after initialization the application attempts to connect to 'db' when it should be connecting to 'HumHub_db'.

The following is the the docker-compose.yml file that fails.

version: '3.1' services:

HumHub_db: container_name: HumHub_db restart: unless-stopped image: mariadb:10.9.4 environment: MYSQL_ROOT_PASSWORD: root MYSQL_DATABASE: HumHub MYSQL_USER: HumHub MYSQL_PASSWORD: {REDACTED} volumes:

• "../../volumes/humhub-mariadb:/var/lib/mysql"

  humhub: container_name: HumHub restart: unless-stopped depends_on:

• HumHub_ image: mriedmann/humhub:1.11.4

  image: mriedmann/humhub:1.10.5

  links:

• "HumHub:HumHub" ports:
• "7216:80" volumes:
• "../../volumes/humhub-config:/var/www/localhost/htdocs/protected/config"
• "../../volumes/humhub-uploads:/var/www/localhost/htdocs/uploads"
• "../../volumes/humhub-modules:/var/www/localhost/htdocs/protected/modules" environment: HUMHUB_DB_USER: HumHub HUMHUB_DB_PASSWORD: {REDACTED}

[r4nc0r]

I think you need to add the environment Variable: HUMHUB_DB_HOST=HumHub_db for the humhub service, because the default value is HUMHUB_DB_HOST=db

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