Merge #2072

2072: use dovecot-fts-xapian from alpine package r=mergify[bot] a=willofr

## What type of PR?

enhancement

## What does this PR do?
use dovecot-fts-xapian from alpine packages repository (newer) instead of compiling an older version from source
see https://pkgs.alpinelinux.org/package/edge/community/x86/dovecot-fts-xapian

### Related issue(s)
No

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: willofr <willofr@users.noreply.github.com>

core/dovecot/Dockerfile

@@ -1,14 +1,4 @@
 ARG DISTRO=alpine:3.14.2
-FROM $DISTRO as builder
-WORKDIR /tmp
-RUN apk add git build-base automake autoconf libtool dovecot-dev xapian-core-dev icu-dev
-RUN git clone https://github.com/grosjo/fts-xapian.git \
-  && cd fts-xapian \
-  && git checkout 1.2.7 \
-  && autoreconf -vi \
-  && PANDOC=false ./configure --with-dovecot=/usr/lib/dovecot \
-  && make \
-  && make install
 
 FROM $DISTRO
 ARG VERSION
@@ -29,11 +19,9 @@ RUN pip3 install "podop>0.2.5"
 
 # Image specific layers under this line
 RUN apk add --no-cache \
-  dovecot dovecot-lmtpd dovecot-pop3d dovecot-submissiond dovecot-pigeonhole-plugin rspamd-client xapian-core \
+  dovecot dovecot-lmtpd dovecot-pop3d dovecot-submissiond dovecot-pigeonhole-plugin rspamd-client xapian-core dovecot-fts-xapian \
   && mkdir /var/lib/dovecot
 
-COPY --from=builder /usr/lib/dovecot/lib21_fts_xapian_plugin.* /usr/lib/dovecot/
-
 COPY conf /conf
 COPY start.py /start.py
 

towncrier/newsfragments/2072.enhancement

@@ -0,0 +1 @@
+use dovecot-fts-xapian from alpine package