FROM docker.io/thallian/confd-env:3.16 RUN apk add --no-cache \ postfix \ postfix-pgsql \ openssl \ libstdc++ \ libmilter RUN addgroup -g 2222 access RUN addgroup postfix access RUN chown root /var/spool/postfix/ RUN chown root /var/spool/postfix/pid EXPOSE 25 587 ADD /rootfs /