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Running Kimai inside docker

Kimai 1.14 2.24.0 (latest version)

We offer Kimai Docker images, both for development and a docker-compose setup suitable for running in a production environment. Any issues with the container rather than the application itself can be raised here.

The Docker Hub repo, where you find the auto-building prod and dev containers for Kimai is: https://hub.docker.com/r/kimai/kimai2

Available tags

  • kimai/kimai2:apache: the latest Kimai version bundled in an Apache container, needs a reverse proxy only
  • kimai/kimai2:fpm: the latest Kimai version bundled in PHP-FPM Alpine container (smaller image, but needs extra setup steps)
  • kimai/kimai2:latest: same as kimai/kimai2:fpm
  • kimai/kimai2:dev: development image based on Apache, only to be used locally with debug mode and more

Each new release creates tag names containing the Kimai release number:

  • kimai/kimai2:apache-x.xx.x: version specific release (Apache container)
  • kimai/kimai2:fpm-x.xx.x: version specific release (PHP-FPM container)

The following tags are deprecated and will not receive updates anymore, replace them:

  • kimai/kimai2:apache-prod: replaced by kimai/kimai2:apache
  • kimai/kimai2:apache-latest: replaced by kimai/kimai2:apache
  • kimai/kimai2:fpm-prod: replaced by kimai/kimai2:fpm
  • kimai/kimai2:fpm-latest: replaced by kimai/kimai2:fpm
  • kimai/kimai2:prod: replaced by kimai/kimai2:fpm
  • kimai/kimai2:apache-dev: replaced by kimai/kimai2:dev
  • kimai/kimai2:fpm-dev: no replacement
  • kimai/kimai2:apache-x.xx.x-dev: no replacement
  • kimai/kimai2:fpm-x.xx.x-dev: no replacement
  • kimai/kimai2:apache-x.xx.x-prod: replaced by kimai/kimai2:apache-x.xx.x
  • kimai/kimai2:fpm-x.xx.x-prod: replaced by kimai/kimai2:fpm-x.xx.x

Environment variables

The Kimai image supports the following environment variables:

  • DATABASE_URL - Default “mysql://kimai:kimai@127.0.0.1:3306/kimai?charset=utf8mb4&serverVersion=5.7.40”
  • APP_SECRET - Default: “change_this_to_something_unique”
  • TRUSTED_PROXIES - Default: “nginx,localhost,127.0.0.1”
  • MAILER_FROM - Default: “kimai@example.com”
  • MAILER_URL - Default: “null://localhost”
  • ADMINMAIL - Email for the new admin user (will be created if not existing)
  • ADMINPASS - Password for the new admin user (will be created if not existing)
  • memory_limit - Default: “256M”, the maximum amount of memory a script may consume

It is possible to set the user that FPM or Apache run as. If the user does not exist a new user called www-kimai is created and the server is then run under that user. Note these must be numbers, not names.

  • USER_ID=1000
  • GROUP_ID=1000

Quick test setup

This will run the latest production build and make it accessible at http://localhost:8001.

  1. Start a database

     docker run --rm --name kimai-mysql-testing \
     -e MYSQL_DATABASE=kimai \
     -e MYSQL_USER=kimai \
     -e MYSQL_PASSWORD=kimai \
     -e MYSQL_ROOT_PASSWORD=kimai \
     -p 3399:3306 -d mysql

  2. Start Kimai

     docker run --rm --name kimai-test \
     -ti \
     -p 8001:8001 \
     -e DATABASE_URL=mysql://kimai:kimai@${HOSTNAME}:3399/kimai?charset=utf8mb4&serverVersion=8.3.0 \
     kimai/kimai2:apache

    If you’re getting a “Connection refused” or similar errors, try changing ${HOSTNAME} to host.docker.internal. Alternatively, you can start the container with the flag --network="host" (more infos here).

  3. Add a user using the terminal

     docker exec -ti kimai-test \
     /opt/kimai/bin/console kimai:user:create admin admin@example.com ROLE_SUPER_ADMIN

  4. Stop the containers

     docker stop kimai-mysql-testing kimai-test

  5. When you are finished testing Kimai, you can remove the test containers

     docker rm kimai-mysql-testing kimai-test

If you are happy with Kimai, you can now set up your Docker installation using Docker Compose.

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