chore(minimal): add LDAP libraries (#315)

Include `libsasl2-modules` and `libldap-common` in the `minimal` image, given their small footprint.

Closes #261

Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>

Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends -o Dpkg::::="--force-confdef" -o Dpkg::::="--force-confold" postgresql-common && \
     sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf && \
     apt-get install -y --no-install-recommends \
+      libsasl2-modules libldap-common \
       -o Dpkg::::="--force-confdef" -o Dpkg::::="--force-confold" "postgresql-${PG_MAJOR}=${PG_VERSION}*" && \
     apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false && \
     rm -rf /var/lib/apt/lists/* /var/cache/* /var/log/*