dockerfiles/tmail/Dockerfile

#
# Dockerfile for tmail
#

FROM alpine
MAINTAINER kev <noreply@easypi.pro>

RUN apk add --update build-base \
                     python     \
                     python-dev \
                     openssl    \
    && wget -O- https://bootstrap.pypa.io/get-pip.py | python \
    && pip install --no-cache-dir twisted \
    && apk del --purge build-base \
                       python-dev \
                       openssl    \
    && rm -rf /var/cache/apk/*

ENV MAIL_NAME easypi.info
ENV MAIL_PATH /var/mail
ENV MAIL_USER admin
ENV MAIL_PASS admin
ENV MAIL_OPTS=

VOLUME /var/mail
EXPOSE 25 110

CMD twistd -n mail --smtp=tcp:25 \
                   --pop3=tcp:110 \
                   --maildirdbmdomain=$MAIL_NAME=$MAIL_PATH \
                   --user=$MAIL_USER=$MAIL_PASS \
                   --bounce-to-postmaster \
                   $MAIL_OPTS
add tmail 2015-06-25 12:22:54 +00:00			`#`
			`# Dockerfile for tmail`
			`#`

			`FROM alpine`
swith to new domain: easypi.pro 2017-05-07 23:05:07 +00:00			`MAINTAINER kev <noreply@easypi.pro>`
add tmail 2015-06-25 12:22:54 +00:00
			`RUN apk add --update build-base \`
			`python \`
			`python-dev \`
			`openssl \`
			`&& wget -O- https://bootstrap.pypa.io/get-pip.py \| python \`
chore: Use --no-cache-dir flag to pip in Dockerfiles, to save space Using "--no-cache-dir" flag in pip install ,make sure dowloaded packages by pip don't cached on system . This is a best practise which make sure to fetch ftom repo instead of using local cached one . Further , in case of Docker Containers , by restricing caching , we can reduce image size. In term of stats , it depends upon the number of python packages multiplied by their respective size . e.g for heavy packages with a lot of dependencies it reduce a lot by don't caching pip packages. Further , more detail information can be found at https://medium.com/sciforce/strategies-of-docker-images-optimization-2ca9cc5719b6 Signed-off-by: Pratik Raj <rajpratik71@gmail.com> 2021-07-01 19:32:49 +00:00			`&& pip install --no-cache-dir twisted \`
add tmail 2015-06-25 12:22:54 +00:00			`&& apk del --purge build-base \`
			`python-dev \`
			`openssl \`
			`&& rm -rf /var/cache/apk/*`

switch to new domain: easypi.info 2016-05-01 01:06:20 +00:00			`ENV MAIL_NAME easypi.info`
add tmail 2015-06-25 12:22:54 +00:00			`ENV MAIL_PATH /var/mail`
			`ENV MAIL_USER admin`
			`ENV MAIL_PASS admin`
update 2015-06-26 03:03:03 +00:00			`ENV MAIL_OPTS=`
add tmail 2015-06-25 12:22:54 +00:00
			`VOLUME /var/mail`
update 2015-06-25 12:34:33 +00:00			`EXPOSE 25 110`
add tmail 2015-06-25 12:22:54 +00:00
update 2015-06-26 06:48:06 +00:00			`CMD twistd -n mail --smtp=tcp:25 \`
update 2015-06-26 06:36:11 +00:00			`--pop3=tcp:110 \`
update 2015-06-26 06:48:06 +00:00			`--maildirdbmdomain=$MAIL_NAME=$MAIL_PATH \`
update 2015-06-25 14:32:39 +00:00			`--user=$MAIL_USER=$MAIL_PASS \`
update 2015-06-26 06:48:06 +00:00			`--bounce-to-postmaster \`
update 2015-06-26 03:03:03 +00:00			`$MAIL_OPTS`