diff --git a/fickit-backend.yml b/fickit-backend.yml
index 248d5945..68c1b00c 100644
--- a/fickit-backend.yml
+++ b/fickit-backend.yml
@@ -152,8 +152,8 @@ services:
   - name: rngd
     image: linuxkit/rngd:331294919ba6d953d261a2694019b659a98535a4
   - name: db
-    image: mariadb:latest
-    command: ["/bin/bash", "/usr/local/bin/docker-entrypoint.sh", "mysqld"]
+    image: mariadb:11
+    command: ["/bin/bash", "/usr/local/bin/docker-entrypoint.sh", "mariadbd"]
     capabilities:
      - CAP_CHOWN
      - CAP_SETUID
@@ -303,7 +303,8 @@ services:
       - MYSQL_PASSWORD=fic
     binds:
       - /etc/hosts:/etc/hosts:ro
-      - /var/lib/fic/teams:/srv/TEAMS
+      - /var/lib/fic/teams:/srv/TEAMS:ro
+      - /var/lib/fic/settingsdist:/srv/SETTINGSDIST:ro
     net: /run/netns/fic-qa
     pid: new
     ipc: new
diff --git a/fickit-frontend.yml b/fickit-frontend.yml
index cbd9c926..09ff95ca 100644
--- a/fickit-frontend.yml
+++ b/fickit-frontend.yml
@@ -147,7 +147,7 @@ services:
     binds:
       - /etc/dhcpcd.conf:/dhcpcd.conf:ro
   - name: nginx
-    image: nginx:alpine
+    image: nginx:1-alpine
     capabilities:
      - CAP_NET_BIND_SERVICE
      - CAP_CHOWN
@@ -200,7 +200,7 @@ services:
         - /var/lib/fic/teams
   - name: fic-remote-challenge-sync-airbus
 #    image: nemunaire/fic-remote-challenge-sync-airbus:latest
-    image: alpine:latest
+    image: alpine:3
     command: ["/bin/ash", "-c", "while true; do sleep 300; done"]
     env:
       - AIRBUS_BASEURL=https://....