diff --git a/.env.sample b/.env.sample
index 7e12bc7..9054aca 100644
--- a/.env.sample
+++ b/.env.sample
@@ -2,6 +2,12 @@ TYPE=jupyter-lab
 
 DOMAIN=jupyter-lab.example.com
 
+COMPOSE_FILE="compose.yml"
+
 ## Domain aliases
 #EXTRA_DOMAINS=', `www.jupyter-lab.example.com`'
 LETS_ENCRYPT_ENV=production
+
+# SSH access
+#SECRET_SSH_KEY_VERSION=v1
+#COMPOSE_FILE="$COMPOSE_FILE:compose.ssh.yml"
diff --git a/abra.sh b/abra.sh
new file mode 100644
index 0000000..724bb11
--- /dev/null
+++ b/abra.sh
@@ -0,0 +1 @@
+export INSTALL_PACKAGES_CONF_VERSION=v6
diff --git a/compose.ssh.yml b/compose.ssh.yml
new file mode 100644
index 0000000..cb4182e
--- /dev/null
+++ b/compose.ssh.yml
@@ -0,0 +1,16 @@
+---
+version: "3.8"
+
+services:
+  app:
+    secrets:
+      - source: ssh_key
+        target: /home/jovyan/.ssh/id_rsa
+        mode: 0400
+        uid: '1000'
+        gid: '1000'
+
+secrets:
+  ssh_key:
+    external: true
+    name: ${STACK_NAME}_ssh_key_${SECRET_SSH_KEY_VERSION}
diff --git a/compose.yml b/compose.yml
index f3ed87b..771e919 100644
--- a/compose.yml
+++ b/compose.yml
@@ -8,6 +8,12 @@ services:
       - proxy
     environment:
       - JUPYTER_ENABLE_LAB=yes
+    volumes:
+      - jupyter_data:/home/jovyan
+    configs:
+      - source: install-packages_conf
+        target: /usr/local/bin/start-notebook.d/install-packages
+        mode: 0555
     deploy:
       restart_policy:
         condition: on-failure
@@ -27,6 +33,56 @@ services:
     #   timeout: 10s
     #   retries: 10
     #   start_period: 1m
+    #
+  
+  voila:
+    image: jupyter/datascience-notebook:r-4.1.1
+    networks:
+      - proxy
+    environment:
+      - JUPYTER_ENABLE_LAB=yes
+    volumes:
+      - jupyter_data:/home/jovyan
+    command: >
+      bash -c
+        "
+        pip install ipywidgets jupyterlab-git voila &&
+        voila \
+          --enable_nbextensions=True \
+          --autoreload=True \
+          --Voila.ip=0.0.0.0 \
+          --no-browser \
+          --MappingKernelManager.cull_interval=60 \
+          --MappingKernelManager.cull_idle_timeout=120
+        "
+
+    configs:
+      - source: install-packages_conf
+        target: /usr/local/bin/start-notebook.d/install-packages
+        mode: 0555
+    deploy:
+      restart_policy:
+        condition: on-failure
+      labels:
+        - "traefik.enable=true"
+        - "traefik.http.services.${STACK_NAME}_voila.loadbalancer.server.port=8866"
+        - "traefik.http.routers.${STACK_NAME}_voila.rule=Host(`dashboard.${DOMAIN}`)"
+        - "traefik.http.routers.${STACK_NAME}_voila.entrypoints=web-secure"
+        - "traefik.http.routers.${STACK_NAME}_voila.tls.certresolver=${LETS_ENCRYPT_ENV}"
+    # healthcheck:
+    #   test: ["CMD", "curl", "-f", "http://localhost"]
+    #   interval: 30s
+    #   timeout: 10s
+    #   retries: 10
+    #   start_period: 1m
+
+volumes:
+  jupyter_data:
+
+configs:
+  install-packages_conf:
+    name: ${STACK_NAME}_install_packages_${INSTALL_PACKAGES_CONF_VERSION}
+    file: install-packages.sh
 
 networks:
   proxy:
diff --git a/install-packages.sh b/install-packages.sh
new file mode 100644
index 0000000..398da76
--- /dev/null
+++ b/install-packages.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+pip install ipywidgets jupyterlab-git