remove (broken) FTS

CHANGELOG.md

@@ -31,7 +31,6 @@ v1.6.0 - unreleased
 - Feature: Add posibilty to run webmail on root ([#501](https://github.com/Mailu/Mailu/issues/501))
 - Feature: Upgrade docker-compose.yml to version 3 ([#539](https://github.com/Mailu/Mailu/issues/539))
 - Feature: Documentation to deploy mailu on a docker swarm ([#551](https://github.com/Mailu/Mailu/issues/551))
-- Feature: Add full-text search support ([#552](https://github.com/Mailu/Mailu/issues/552))
 - Feature: Add optional Maildir-Compression ([#553](https://github.com/Mailu/Mailu/issues/553))
 - Feature: Preserve rspamd history on container restart ([#561](https://github.com/Mailu/Mailu/issues/561))
 - Feature: FAQ ([#564](https://github.com/Mailu/Mailu/issues/564), [#677](https://github.com/Mailu/Mailu/issues/677))

core/dovecot/Dockerfile

@@ -9,7 +9,7 @@ RUN pip3 install jinja2
 RUN pip3 install tenacity
 # Image specific layers under this line
 RUN apk add --no-cache \
-  dovecot dovecot-pigeonhole-plugin dovecot-fts-lucene rspamd-client bash \
+  dovecot dovecot-pigeonhole-plugin rspamd-client bash \
   && pip3 install podop \
   && mkdir /var/lib/dovecot
 

core/dovecot/conf/dovecot.conf

@@ -7,22 +7,6 @@ postmaster_address = {{ POSTMASTER }}@{{ DOMAIN }}
 hostname = {{ HOSTNAMES.split(",")[0] }}
 submission_host = {{ FRONT_ADDRESS }}
 
-{% if DISABLE_FTS_LUCENE != 'true' %}
-###############
-# Full-text search
-###############
-mail_plugins =  $mail_plugins fts fts_lucene
-
-plugin {
-  fts = lucene
-
-  fts_autoindex = yes
-  fts_autoindex_exclude = \Junk
-
-  fts_lucene = whitespace_chars=@.
-}
-{% endif %}
-
 ###############
 # Mailboxes
 ###############

docs/compose/.env

@@ -3,10 +3,6 @@
 # these few settings must however be configured before starting the mail
 # server and require a restart upon change.
 
-# Set this to `true` to disable full text search by lucene (value: true, false)
-# This is a workaround for the bug in issue #751 (indexer-worker crashes)
-DISABLE_FTS_LUCENE=false
-
 ###################################
 # Common configuration variables
 ###################################