yamllint warned: host-pottwal.yml 98:1 error too many blank lines (3 > 2) (empty-lines) host-tau.yml 173:1 error too many blank lines (1 > 0) (empty-lines)
Docker does not take the tzdata from host systems, so the timezone needs to be set individually. Otherwise dates without explicit timezone information or Z will be generated or interpreted in the wrong timezone (such as dokuwiki signatures)
