container-images/postfix
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Merged migrate_to_alpine branch into master (issue #16)

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Juan Luis Baptiste 2021-02-03 18:40:00 -05:00
commit 273beb03fa
5 changed files with 15 additions and 15 deletions
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15
Dockerfile
View file

@ -1,14 +1,13 @@
#Dockerfile for a Postfix email relay service #Dockerfile for a Postfix email relay service
FROM centos:7 FROM alpine:3.13
MAINTAINER Juan Luis Baptiste juan.baptiste@gmail.com MAINTAINER Juan Luis Baptiste juan.baptiste@gmail.com
RUN yum install -y epel-release && yum update -y && \ RUN apk update && \
yum install -y cyrus-sasl cyrus-sasl-plain cyrus-sasl-md5 mailx \ apk add bash gawk cyrus-sasl cyrus-sasl-login cyrus-sasl-crammd5 mailx \
perl supervisor postfix rsyslog \ perl supervisor postfix rsyslog && \
&& rm -rf /var/cache/yum/* \ rm -rf /var/cache/apk/* && \
&& yum clean all mkdir -p /var/log/supervisor/ /var/run/supervisor/ && \
RUN sed -i -e "s/^nodaemon=false/nodaemon=true/" /etc/supervisord.conf sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf
RUN sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf
COPY etc/ /etc/ COPY etc/ /etc/
COPY run.sh / COPY run.sh /

1
docker-compose.override.yml
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@ -1,6 +1,7 @@
version: '2' version: '2'
services: services:
postfix: postfix:
image: juanluisbaptiste/postfix:dev
build: build:
context: . context: .
dockerfile: Dockerfile dockerfile: Dockerfile

2
etc/supervisord.conf
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@ -22,7 +22,7 @@ nodaemon=true ; (start in foreground if true;default false)
minfds=1024 ; (min. avail startup file descriptors;default 1024) minfds=1024 ; (min. avail startup file descriptors;default 1024)
minprocs=200 ; (min. avail process descriptors;default 200) minprocs=200 ; (min. avail process descriptors;default 200)
;umask=022 ; (process file creation umask;default 022) ;umask=022 ; (process file creation umask;default 022)
;user=chrism ; (default is current user, required if root) user=root ; (default is current user, required if root)
;identifier=supervisor ; (supervisord identifier, default is 'supervisor') ;identifier=supervisor ; (supervisord identifier, default is 'supervisor')
;directory=/tmp ; (default is not to cd during start) ;directory=/tmp ; (default is not to cd during start)
;nocleanup=true ; (don't clean up tempfiles at start;default false) ;nocleanup=true ; (don't clean up tempfiles at start;default false)

8
run.sh
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@ -5,7 +5,7 @@
function add_config_value() { function add_config_value() {
local key=${1} local key=${1}
local value=${2} local value=${2}
local config_file=${3:-/etc/postfix/main.cf} # local config_file=${3:-/etc/postfix/main.cf}
[ "${key}" == "" ] && echo "ERROR: No key set !!" && exit 1 [ "${key}" == "" ] && echo "ERROR: No key set !!" && exit 1
[ "${value}" == "" ] && echo "ERROR: No value set !!" && exit 1 [ "${value}" == "" ] && echo "ERROR: No value set !!" && exit 1
@ -24,7 +24,7 @@ if [ -n "${SMTP_PASSWORD_FILE}" ]; then [ -f "${SMTP_PASSWORD_FILE}" ] && read S
SMTP_PORT="${SMTP_PORT:-587}" SMTP_PORT="${SMTP_PORT:-587}"
#Get the domain from the server host name #Get the domain from the server host name
DOMAIN=`echo ${SERVER_HOSTNAME} |awk -F. '{$1="";OFS="." ; print $0}' | sed 's/^.//'` DOMAIN=`echo ${SERVER_HOSTNAME} | awk 'BEGIN{FS=OFS="."}{print $(NF-1),$NF}'`
# Set needed config options # Set needed config options
add_config_value "myhostname" ${SERVER_HOSTNAME} add_config_value "myhostname" ${SERVER_HOSTNAME}
@ -34,7 +34,7 @@ add_config_value "myorigin" '$mydomain'
add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}" add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}"
add_config_value "smtp_use_tls" "yes" add_config_value "smtp_use_tls" "yes"
add_config_value "smtp_sasl_auth_enable" "yes" add_config_value "smtp_sasl_auth_enable" "yes"
add_config_value "smtp_sasl_password_maps" "hash:/etc/postfix/sasl_passwd" add_config_value "smtp_sasl_password_maps" "lmdb:/etc/postfix/sasl_passwd"
add_config_value "smtp_sasl_security_options" "noanonymous" add_config_value "smtp_sasl_security_options" "noanonymous"
add_config_value "always_add_missing_headers" "${ALWAYS_ADD_MISSING_HEADERS:-no}" add_config_value "always_add_missing_headers" "${ALWAYS_ADD_MISSING_HEADERS:-no}"
@ -86,4 +86,4 @@ fi
# starting services # starting services
rm -f /var/spool/postfix/pid/master.pid rm -f /var/spool/postfix/pid/master.pid
exec supervisord exec supervisord -c /etc/supervisord.conf