* use fixed postgres & memcached versions & fix missing postgres env var
* remove memcached contaienr build
* fixed another version label
* added postgres password to backup command
* set postgres user & pass in .env file
* fixed postgres in backup container
* use zammad repo
- switched back to postgresql 9.6 (10.x with next release)
- switched back to zammad image repos
- switched back to stable branch (dalli gem now included)
- added memcached container (currently develop branch needed)
- put all zammad services in one kubernetes pod to be able to use empty dir volume for tmp
- switched to kubernetes deployments
- switched to ReadWriteOnce kubernetes volume claims
- added init container to elasticsearch & zammad kubernetes deployments
- added IMAGE_REPO var for docker compose to .env file
- run nginx from zammad container (preparation for stateless updates)
- removed docker-compose-build.yml
- use private docker repos in compose & kubernetes
- change compose volume names
