diff --git a/dev/docker-compose.override.yml b/dev/docker-compose.override.yml
index dc958fe..a08cf88 100644
--- a/dev/docker-compose.override.yml
+++ b/dev/docker-compose.override.yml
@@ -142,10 +142,11 @@ services:
     volumes:
       - "./prod/grafana/datasource.yml:/etc/grafana/provisioning/datasources/datasource.yml:ro"
   portal_credits:
+    ports:
+      - "8000:80"
     environment:
       - MAIL_NOT_STARTTLS=1
       - MAIL_SMTP_SERVER=portal_smtp_server
-      - MAIL_SMTP_PORT=8025
   smtp_server:
     image: "python:3.7-alpine"
     container_name: portal_smtp_server
diff --git a/docker-compose.portal.yml b/docker-compose.portal.yml
index b0eb3e0..312b50e 100644
--- a/docker-compose.portal.yml
+++ b/docker-compose.portal.yml
@@ -29,7 +29,6 @@ services:
       - INFLUXDB_USER_PASSWORD
       - CREDITS_HISTORY_DB
     volumes:
-      - "$INFLUXDB_VOLUME_PATH:/var/lib/influxdb"
       - "./prod/setup_influxdb.sh:/docker-entrypoint-initdb.d/01-setup.sh:ro"
     expose:
       - "8086"
diff --git a/prod/docker-compose.portal.override.yml b/prod/docker-compose.portal.override.yml
index 48f1a65..6a95474 100644
--- a/prod/docker-compose.portal.override.yml
+++ b/prod/docker-compose.portal.override.yml
@@ -1,6 +1,9 @@
 ---
 version: "3.5"
 services:
+  portal_influxdb:
+    volumes:
+      - "$INFLUXDB_VOLUME_PATH:/var/lib/influxdb"
   portal_prometheus:
     # in case of a reverse proxy insert the full path to prometheus here
     # command: