#Dockerfile for a Postfix email relay service FROM alpine MAINTAINER Juan Luis Baptiste juan.baptiste@gmail.com RUN apk update && \ apk add bash gawk cyrus-sasl cyrus-sasl-plain cyrus-sasl-crammd5 mailx \ perl supervisor postfix rsyslog \ rm -rf /var/cache/apk/* && \ mkdir -p /var/log/supervisor/ /var/run/supervisor/ && \ sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf COPY etc/ /etc/ COPY run.sh / RUN chmod +x /run.sh RUN newaliases EXPOSE 25 #ENTRYPOINT ["/run.sh"] CMD ["/run.sh"]