Fix build for official and supported releases (#15)

* Fix build for official and supported releases
* Fix config generation: skip missing config files
* kopano-search ignores KOPANO_CONFIG_PATH env var
* Use kopano core 8.7 by default
* Include APT release key in this repo
* Copy APT release key into image

core/Dockerfile

@@ -42,7 +42,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 # install Kopano Core and refresh ca-certificates
 # hadolint currently does not understand the extended buildkit syntax https://github.com/hadolint/hadolint/issues/347
 # hadolint ignore=SC2215,DL3015
-RUN --mount=type=secret,id=repocred,dst=/etc/apt/apt_auth.conf \
+RUN --mount=type=secret,id=repocred,target=/etc/apt/auth.conf.d/kopano.conf \
     # apt key for this repo has already been installed in base
     echo "deb [${KOPANO_REPOSITORY_FLAGS}] ${KOPANO_CORE_REPOSITORY_URL} ./" > /etc/apt/sources.list.d/kopano.list; \
     # install

core/start-service.sh

@@ -241,7 +241,7 @@ search)
 	if dpkg --compare-versions "$searchversion" "gt" "8.7.82.165"; then
 		exec "$EXE" --config /tmp/kopano/search.cfg
 	else
-		exec /usr/bin/python3 "$EXE" -F
+		exec /usr/bin/python3 "$EXE" --config /tmp/kopano/search.cfg -F
 	fi
 	;;
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