diff --git a/IRC-Chat/Mattermost/docker-compose.yml b/IRC-Chat/Mattermost/docker-compose.yml
index cf59a6d0..c4172ec5 100644
--- a/IRC-Chat/Mattermost/docker-compose.yml
+++ b/IRC-Chat/Mattermost/docker-compose.yml
@@ -58,6 +58,8 @@ services:
       - MM_BLEVESETTINGS_INDEXDIR
       # additional settings
       - MM_SERVICESETTINGS_SITEURL
+    networks:
+      - back_network
     ports:
       - ${APP_PORT}:8065
       - ${CALLS_PORT}:${CALLS_PORT}/udp
diff --git a/Outils/LibreWolf/docker-compose.yml b/Outils/LibreWolf/docker-compose.yml
index a0a34550..d28d2f31 100644
--- a/Outils/LibreWolf/docker-compose.yml
+++ b/Outils/LibreWolf/docker-compose.yml
@@ -6,3 +6,22 @@ networks:
 
 #### SERVICES
 services:
+  librewolf:
+    image: lscr.io/linuxserver/librewolf:latest
+    container_name: librewolf
+    security_opt:
+      - seccomp:unconfined #optional
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Etc/UTC
+      - LIBREWOLF_CLI=https://www.linuxserver.io/ #optional
+    volumes:
+      - /srv/appdata/librewolf/config:/config
+    networks:
+      - back_network
+    ports:
+          - 3000:3000
+      - 3001:3001
+    shm_size: "1gb"
+    restart: unless-stopped
\ No newline at end of file