FROM alpine:latest RUN apk add --no-cache \ dovecot \ dovecot-ldap RUN sed -i 's/#!include auth-ldap.conf.ext/!include auth-ldap.conf.ext/' /etc/dovecot/conf.d/10-auth.conf \ && sed -i 's/!include auth-passwdfile.conf.ext/#!include auth-passwdfile.conf.ext/' /etc/dovecot/conf.d/10-auth.conf \ && sed -i 's/#first_valid_uid = .*/first_valid_uid = 100/g' /etc/dovecot/conf.d/10-mail.conf \ && sed -i 's/#last_valid_uid = .*/last_valid_uid = 100/g' /etc/dovecot/conf.d/10-mail.conf RUN addgroup -S vmail \ && adduser -S -g '' -H -D -h /var/vmail vmail vmail COPY 10-master.conf /etc/dovecot/conf.d/10-master.conf COPY 10-logging.conf /etc/dovecot/conf.d/10-logging.conf COPY auth-ldap.conf.ext /etc/dovecot/conf.d/auth-ldap.conf.ext COPY entrypoint.sh /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"] VOLUME ["/var/lib/dovecot"] VOLUME ["/var/vmail"] EXPOSE 143