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docker

Docker image for volkszaehler middleware and frontend

Installing

To run this image simply pull the built version for your architecture from docker hub (https://hub.docker.com/r/andig/volkszaehler/):

docker pull andig/volkszaehler
docker pull andig/rpi-volkszaehler

The first image will work on x86 architectures, the rpi image supports ARM platforms like the Raspberry Pi.

For maximum flexibility, the image does NOT contain a database itself but expects a mysql database at host mysql with standard volkszaehler credentials:

  - MYSQL_ROOT_PASSWORD=volkszaehler
  - MYSQL_DATABASE=volkszaehler
  - MYSQL_USER=vz
  - MYSQL_PASSWORD=demo

Running on x86

If not already running, start a mysql database using the volkszaehler credentials and get it's container id:

DATABASE=$(docker run -d -e MYSQL_ROOT_PASSWORD=volkszaehler -e MYSQL_DATABASE=volkszaehler -e MYSQL_USER=vz -e MYSQL_PASSWORD=demo mysql)

NOTE Currently volkszaehler does not support specifying database connection parameters using environment variables. If different credentials or a non-dockerized mysql database or hostname are required, its parameters must be set in src/volkszaehler.conf.php and the image rebuilt.

Then the actual volkszaehler image can be started:

docker run --link $DATABASE:mysql -p 8080:8080 -t andig/volkszaehler

This exposes both frontend and middleware at port 8080. The database schema will automatically be created or updated.

Running on Raspberry Pi

See section before but select the docker images for the ARM architecture:

DATABASE=$(docker run -d -e MYSQL_ROOT_PASSWORD=volkszaehler -e MYSQL_DATABASE=volkszaehler -e MYSQL_USER=vz -e MYSQL_PASSWORD=demo --name mysql hypriot/rpi-mysql)

docker run --link $DATABASE:mysql -p 8080:8080 -t andig/rpi-volkszaehler

This setup is already available by using the pre-composed docker-compose.yml configuration consisting of MySQL database and volkszaehler runtime:

docker-composer up

NOTE To persist the database, update docker-compose.yml and make sure that the MySQL data folder is mapped to a folder on the docker host machine.

Building

Simply run the build script:

./build.sh