add mailrelay

main.tf

@@ -176,3 +176,29 @@ resource "docker_container" "dispatcher" {
   ]
 }
 
+
+resource "docker_image" "mailrelay-image" {
+  name = "devture/exim-relay:latest"
+}
+
+resource "docker_container" "mailrelay" {
+  name = "mailrelay"
+  image = docker_image.mailrelay-image.image_id
+  restart = "always"
+  networks_advanced {
+    name = docker_network.internal-network.name
+  }  
+  networks_advanced {
+    name = docker_network.external-network.name
+  }  
+  ports {
+    internal = 8025
+    external = 25
+    ip = "127.0.0.1"
+  }
+  env = [
+    "SMARTHOST=smtprelaypool.ispgateway.de",
+    "SMTP_USERNAME=pseudosmarthostuser@hottis.de",
+    "SMTP_PASSWORD=${var.smarthost_password}"
+  ]
+}

variables.tf

@@ -13,3 +13,7 @@ variable "grafana_password" {
   type = string
 }
 
+variable "smarthost_password" {
+  sensitive = true
+  type = string
+}