message: add commons boilerplate.
diff: ARG IMAGE_REPO
  FROM ${IMAGE_REPO:-lagoon}/commons as commons
  -# COPY ./docker-entrypoint-initdb.d /docker-entrypoint-initdb.d/
  +# Copying commons files
  +COPY --from=commons /lagoon /lagoon
  +COPY --from=commons /bin/fix-permissions /bin/ep /bin/docker-sleep /bin/
  +COPY --from=commons /home /home
  +
  +# When Bash is invoked via `sh` it behaves like the old Bourne Shell and sources a file that is given in `ENV`
  +# When Bash is invoked as non-interactive (like `bash -c command`) it sources a file that is given in `BASH_ENV`
  +ENV TMPDIR=/tmp TMP=/tmp HOME=/home ENV=/home/.bashrc BASH_ENV=/home/.bashrc
  +
  +RUN chmod g+w /etc/passwd \
  + && mkdir -p /home
  RUN apk add --update --no-cache --virtual .mariadb-run-deps \
  libaio \
  