Merge branch 'master' into 'master'

[#1] prepare image

See merge request !1

Dockerfile

+FROM alpine:3.12.3
+
+RUN apk add --no-cache  bash postfix supervisor rsyslog busybox-extras
+
+COPY       /conf/etc/supervisord.conf     /etc/supervisord.conf
+COPY       /scripts/docker/run.sh     /run.sh
+
+EXPOSE     587
+CMD        [ "/bin/sh", "-c", "/run.sh" ]

README.md

 # FaaS-SMTP
 
+## structure
+`_conf/`_ - directory with configuration files
+`scripts/` - directory with utils and scripts
+
+## build image
+To build `faas-smtp` docker image 
+`
+cd scripts/helpers && ./build.sh
+`
+
+
+## run image
+To run `faas-smtp` docker image
+`
+cd scripts/helpers && ./run.sh
+`
+
+
+

conf/etc/supervisord.conf

+[supervisord]
+user            = root
+nodaemon        = true
+logfile         = /dev/null
+logfile_maxbytes= 0
+
+[program:rsyslog]
+command         = rsyslogd -n
+autostart       = true
+autorestart     = true
+startsecs       = 2
+stopwaitsecs    = 2
+stdout_logfile  = /dev/stdout
+stderr_logfile  = /dev/stderr
+stdout_logfile_maxbytes = 0
+stderr_logfile_maxbytes = 0
+
+[program:postfix]
+command         = /usr/sbin/postfix -c /etc/postfix start-fg
+autostart       = true
+autorestart     = false
+directory       = /etc/postfix
+startsecs       = 0

conf/faas-smtp.compose.yml

+version: '3.1'
+
+services:
+  smtp:
+    image: ${FAAS_SMTP_IMAGE}
+    build:
+        context: ../
+        dockerfile: Dockerfile
+    restart: always
+    environment:
+    - FAAS_SMTP_MYHOSTNAME=${FAAS_SMTP_MYHOSTNAME}
+    - FAAS_SMTP_INET_INTERFACES=${FAAS_SMTP_INET_INTERFACES}
+    ports:
+        - "${FAAS_SMTP_PORT}:25"

conf/faas-smtp.env

+FAAS_SMTP_IMAGE=faas/faas-smtp:1.0-SNAPSHOT
+
+FAAS_SMTP_MYHOSTNAME=test.faas.geant.net
+FAAS_SMTP_INET_INTERFACES=all
+
+FAAS_SMTP_PORT=2025

scripts/docker/run.sh

+#! /bin/bash
+
+# set -x
+
+sed -i '/imklog/s/^/#/' /etc/rsyslog.conf
+
+function update_postfix_config_value() {
+    local key=${1}
+    local value=${2}
+    local cfg_file=${3:-/etc/postfix/main.cf}
+    [ "${key}" == "" ] && echo "ERROR: Key is not set" && exit 1
+    [ "${value}" == "" ] && echo "ERROR:value is not set" && exit 1
+
+    echo "Setting configuration option ${key} with value: ${value}"
+    postconf -e "${key} = ${value}"
+}
+
+[ -z "${FAAS_SMTP_MYHOSTNAME}" ] && echo "FAAS_SMTP_MYHOSTNAME is not set" && exit 1
+[ -z "${FAAS_SMTP_INET_INTERFACES}" ] && echo "FAAS_SMTP_INET_INTERFACES is not set" && exit 1
+
+update_postfix_config_value "myhostname" ${FAAS_SMTP_MYHOSTNAME}
+update_postfix_config_value "inet_interfaces" ${FAAS_SMTP_INET_INTERFACES}
+
+rm -f /var/spool/postfix/pid/master.pid
+exec supervisord -c /etc/supervisord.conf

scripts/helpers/build.sh

+#! /bin/bash
+
+docker-compose --env-file ../../conf/faas-smtp.env -f ../../conf/faas-smtp.compose.yml build

scripts/helpers/run.sh

+#! /bin/bash
+
+docker-compose --env-file ../../conf/faas-smtp.env -f ../../conf/faas-smtp.compose.yml up