add mailserver settings to daemon

compose.system.yaml

@@ -11,6 +11,13 @@ x-dagster-env: &dagster_env
   DAGSTER_POSTGRES_USER: ${POSTGRES_USER}
   DAGSTER_POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
   DAGSTER_POSTGRES_DB: ${POSTGRES_DB}
+x-email-env: &email_env
+  SMTP_SERVER: ${SMTP_SERVER}
+  SMTP_PORT: ${SMTP_PORT}
+  SMTP_USERNAME: ${SMTP_USERNAME}
+  SMTP_PASSWORD: ${SMTP_PASSWORD}
+  SENDER_EMAIL: ${SENDER_EMAIL}
+  RECEIVER_EMAIL: ${RECEIVER_EMAIL}
 
 x-volumes: &volumes
   volumes:
@@ -73,7 +80,7 @@ services:
     container_name: dagster-daemon
     restart: on-failure
     environment:
-      <<: *dagster_env
+      <<: [ *dagster_env, *email_env ]
     <<: *volumes
     networks:
       - dagster