diff --git a/adminer/docker-compose.yml b/adminer/docker-compose.yml
index 3b20808..9d115ac 100644
--- a/adminer/docker-compose.yml
+++ b/adminer/docker-compose.yml
@@ -10,4 +10,4 @@ services:
 
 networks:
   backend:
-    external: true
\ No newline at end of file
+    external: true
diff --git a/healthchecks/docker-compose.yml b/healthchecks/docker-compose.yml
index 4ed8c7d..c6e21f0 100644
--- a/healthchecks/docker-compose.yml
+++ b/healthchecks/docker-compose.yml
@@ -28,6 +28,12 @@ services:
     volumes:
       - ${APPDATA_PATH}/healthchecks/config:/config
     ports:
-      - "${PORT}:8000"
-      - "${SMTP_PORT}:2525"
+      - ${PORT}:8000
+      - ${SMTP_PORT}:2525
+    networks:
+      - frontend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
diff --git a/opengist/docker-compose-mariadb.yml b/opengist/docker-compose-mariadb.yml
index 0e3cf21..ea4f2b7 100644
--- a/opengist/docker-compose-mariadb.yml
+++ b/opengist/docker-compose-mariadb.yml
@@ -12,6 +12,8 @@ services:
       - ${APPDATA_PATH}/opengist/db:/var/lib/mysql
     ports:
       - ${DB_PORT}:3306
+    networks:
+      - backend
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
@@ -44,4 +46,13 @@ services:
       - ${APPDATA_PATH}/opengist/data:/opengist
     ports:
       - ${SERVER_PORT}:6157
+    networks:
+      - frontend
+      - backend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
+  backend:
+    external: true
diff --git a/opengist/docker-compose.yml b/opengist/docker-compose.yml
index 729e5b0..1ab43b5 100644
--- a/opengist/docker-compose.yml
+++ b/opengist/docker-compose.yml
@@ -10,6 +10,8 @@ services:
       - ${APPDATA_PATH}/opengist/db:/var/lib/postgresql/data
     ports:
       - ${DB_PORT}:5432
+    networks:
+      - backend
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d ${POSTGRES_DB} -U ${POSTGRES_USER}"]
@@ -42,4 +44,13 @@ services:
       - ${APPDATA_PATH}/opengist/data:/opengist
     ports:
       - ${SERVER_PORT}:6157
+    networks:
+      - frontend
+      - backend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
+  backend:
+    external: true
diff --git a/pingvin-share/docker-compose.yml b/pingvin-share/docker-compose.yml
index 875ce0b..5af0f25 100644
--- a/pingvin-share/docker-compose.yml
+++ b/pingvin-share/docker-compose.yml
@@ -9,5 +9,11 @@ services:
       - ${APPDATA_PATH}/pingvin-share/images:/opt/app/frontend/public/img
       - ${DATA_PATH}:/opt/app/backend/data
     ports:
-      - "${PORT}:3000"
+      - ${PORT}:3000
+    networks:
+      - frontend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
diff --git a/radicale/docker-compose.yml b/radicale/docker-compose.yml
index a410690..03c0a18 100644
--- a/radicale/docker-compose.yml
+++ b/radicale/docker-compose.yml
@@ -23,8 +23,14 @@ services:
       - ${APPDATA_PATH}/radicale/config:/config:ro
     ports:
       - ${PORT}:5232
+    networks:
+      - frontend
     restart: unless-stopped
     healthcheck:
       test: curl -f http://127.0.0.1:5232 || exit 1
       interval: 30s
       retries: 3
+
+networks:
+  frontend:
+    external: true
diff --git a/stirling-pdf/docker-compose.yml b/stirling-pdf/docker-compose.yml
index 04648f3..32295b9 100644
--- a/stirling-pdf/docker-compose.yml
+++ b/stirling-pdf/docker-compose.yml
@@ -6,12 +6,14 @@ services:
       - DOCKER_ENABLE_SECURITY=${DOCKER_ENABLE_SECURITY}
       - SECURITY_ENABLELOGIN=${SECURITY_ENABLELOGIN}
       - LANGS=${LANGS}
-    ports:
-      - "${PORT}:8080"
     volumes:
       - ${APPDATA_DATA}/stirling-pdf/training_data:/usr/share/tessdata
       - ${APPDATA_DATA}/stirling-pdf/config:/configs
       - ${APPDATA_DATA}/stirling-pdf/custom_files:/customFiles/
       - ${APPDATA_DATA}/stirling-pdf/logs:/logs/
       - ${APPDATA_DATA}/stirling-pdf/pipeline:/pipeline/
+    ports:
+      - ${PORT}:8080
+    networks:
+      - frontend
     restart: unless-stopped
diff --git a/syncyomi/docker-compose.yml b/syncyomi/docker-compose.yml
index 51b06ec..635bfad 100644
--- a/syncyomi/docker-compose.yml
+++ b/syncyomi/docker-compose.yml
@@ -8,5 +8,11 @@ services:
       - ${APPDATA_PATH}/syncyomi/config:/config
       - ${APPDATA_PATH}/syncyomi/log:/log
     ports:
-      - "${PORT}:8282"
+      - ${PORT}:8282
+    networks:
+      - frontend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
diff --git a/uptime-kuma/docker-compose.yml b/uptime-kuma/docker-compose.yml
index 280f9f0..113d549 100644
--- a/uptime-kuma/docker-compose.yml
+++ b/uptime-kuma/docker-compose.yml
@@ -5,5 +5,11 @@ services:
     volumes:
       - ${APPDATA_PATH}/uptime-kuma/config:/app/data
     ports:
-      - "${PORT}:3001"
+      - ${PORT}:3001
+    networks:
+      - frontend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
diff --git a/vaultwarden/docker-compose.yml b/vaultwarden/docker-compose.yml
index 0b6bebd..62571fc 100644
--- a/vaultwarden/docker-compose.yml
+++ b/vaultwarden/docker-compose.yml
@@ -10,6 +10,8 @@ services:
       - ${APPDATA_PATH}/vaultwarden/db:/var/lib/postgresql/data
     ports:
       - ${DB_PORT}:5432
+    networks:
+      - backend
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -d ${POSTGRES_DB} -U ${POSTGRES_USER}"]
@@ -38,4 +40,13 @@ services:
       - ${APPDATA_PATH}/vaultwarden/data:/data/
     ports:
       - ${SERVER_PORT}:80
+    networks:
+      - frontend
+      - backend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true
+  backend:
+    external: true