Refs #70500 - Support more environment variables

README.md

@@ -13,6 +13,7 @@ The relay is set in `MTP_RELAY` and the port in `MTP_PORT`.
 
   - `:latest` [*Dockerfile*](https://github.com/eea/eea.docker.postfix/blob/master/Dockerfile) (default)
   - `:eionet` [*Dockerfile*](https://github.com/eea/eea.docker.postfix/blob/master/eionet/Dockerfile) (EEA specific)
+  - `:2.10.1` [*Dockerfile*](https://github.com/eea/eea.docker.postfix/blob/2.10.1/Dockerfile) (centos 7, chaperone, support more environment variables)
   - `:2.10` [*Dockerfile*](https://github.com/eea/eea.docker.postfix/blob/2.10/Dockerfile) (centos 7, chaperone)
   - `:2.6` [*Dockerfile*](https://github.com/eea/eea.docker.postfix/blob/2.6/Dockerfile) (centos 6)
 
@@ -59,6 +60,18 @@ From another application container ("app"):
     >>> s = smtplib.SMTP('postfixcontainer')
     >>> s.sendmail('test@mydomain.com', ['user@example.com'], 'test')
 
+## Supported environment variables
+
+* `MTP_HOST` The `myhostname` parameter specifies the internet hostname of this mail system
+* `MTP_DESTINATION` The `mydestination` parameter specifies the list of domains that this machine considers itself the final destination for.
+* `MTP_BANNER` The `smtpd_banner` parameter specifies the text that follows the 220 code in the SMTP server's greeting banner.
+* `MTP_RELAY` The `relayhost` parameter specifies the default host to send mail to when no entry is matched in the optional transport(5) table.
+* `MTP_RELAY_DOMAINS` The `relay_domains` parameter restricts what destinations this system will relay mail to.
+* `MTP_PORT` The `relayhost` port
+* `MTP_USER` The user used to connect to the `relayhost`
+* `MTP_PASS` The password used to connect to the `relayhost`
+* `MTP_INTERFACES` The `inet_interfaces` parameter specifies the network interface addresses that this mail system receives mail on.
+
 ## Copyright and license
 
 The Initial Owner of the Original Code is European Environment Agency (EEA).

docker-setup.sh

@@ -10,14 +10,32 @@ function setup_conf_and_secret {
     postconf -e 'smtp_sasl_security_options = noanonymous'
     postconf -e 'smtp_tls_security_level = may'
     postconf -e 'mynetworks = 127.0.0.0/8 172.17.0.0/16'
-    postconf -e 'local_recipient_maps ='
 
     echo "$MTP_RELAY   $MTP_USER:$MTP_PASS" > /etc/postfix/relay_passwd
     postmap /etc/postfix/relay_passwd
 }
 
-postconf -e "myhostname = $MTP_HOST"
-postconf -e 'inet_interfaces = all'
+if [ -z "$MTP_INTERFACES" ]; then
+  postconf -e 'inet_interfaces = all'
+else
+  postconf -e 'inet_interfaces = $MTP_INTERFACES'
+fi
+
+if [ ! -z "$MTP_HOST" ]; then
+  postconf -e 'myhostname = $MTP_HOST'
+fi
+
+if [ ! -z "$MTP_DESTINATION" ]; then
+  postconf -e 'mydestination = $MTP_DESTINATION'
+fi
+
+if [ ! -z "$MTP_BANNER" ]; then
+  postconf -e 'smtpd_banner = $MTP_BANNER'
+fi
+
+if [ ! -z "$MTP_RELAY_DOMAINS" ]; then
+  postconf -e 'relay_domains = $MTP_RELAY_DOMAINS'
+fi
 
 if [ ! -z "$MTP_RELAY" -a ! -z "$MTP_PORT" -a ! -z "$MTP_USER" -a ! -z "$MTP_PASS" ]; then
     setup_conf_and_secret