Add optional mailrelay config

.envrc.sample

@@ -1,2 +1,11 @@
-export DOMAIN=id.autonomic.zone
-export STACK_NAME=autonomic
+export SERVICE=keycloak
+export STACK_NAME=keycloak
+
+export DOMAIN=keycloak.example.com
+export LETS_ENCRYPT_ENV=production
+
+export ADMIN_USERNAME=admin
+
+export DB_ROOT_PASSWORD_VERSION=v1
+export DB_PASSWORD_VERSION=v1
+export ADMIN_PASSWORD_VERSION=v1

compose.mailrelay.yml

@@ -0,0 +1,11 @@
+---
+version: "3.8"
+ 
+services:
+  keycloak:
+    networks:
+      - mail
+
+networks:
+  mail:
+    external: true

compose.yml

@@ -17,7 +17,7 @@ services:
       - DB_USER=keycloak
       - DB_VENDOR=mariadb
       - KEYCLOAK_PASSWORD_FILE=/run/secrets/admin_passwd
-      - KEYCLOAK_USER="${ADMIN_USERNAME}"
+      - KEYCLOAK_USER=${ADMIN_USERNAME}
       - PROXY_ADDRESS_FORWARDING=true
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:8080"]