use oauth2

Dockerfile

@@ -7,7 +7,6 @@ RUN apk --no-cache add \
     openssl \
     openssl-dev \
     lua-dev \
-    openldap-dev \
     libsodium-dev \
     linux-pam-dev \
     zlib-dev \
@@ -41,7 +40,6 @@ RUN cd /tmp/dovecot && \
     --with-ssl=openssl \
     --with-sodium \
     --without-sql \
-    --with-ldap \
     --with-lzma \
     --with-lz4 \
     --with-icu \
@@ -54,7 +52,6 @@ RUN cd /tmp/dovecot && \
 
 RUN cd /tmp/pigeonhole && \
     ./configure --prefix '' \
-    --with-ldap=yes \
     --with-dovecot=/lib/dovecot \
     --disable-static && \
     make && make install
@@ -79,7 +76,6 @@ RUN apk --no-cache add \
     ssmtp \
     ca-certificates \
     lua \
-    lua-ldap \
     inotify-tools
 
 RUN addgroup -g 150 dovecot