refactor: split out Voila into separate compose file

.env.sample

@@ -8,6 +8,9 @@ COMPOSE_FILE="compose.yml"
 #EXTRA_DOMAINS=', `www.jupyter-lab.example.com`'
 LETS_ENCRYPT_ENV=production
 
-# SSH access
+# SSH authentication for git operations
 #SECRET_SSH_KEY_VERSION=v1
 #COMPOSE_FILE="$COMPOSE_FILE:compose.ssh.yml"
+
+# "Voila" notebook publishing
+#COMPOSE_FILE="$COMPOSE_FILE:compose.voila.yml"

compose.voila.yml

@@ -0,0 +1,39 @@
+---
+version: "3.8"
+
+services:
+  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 --TagRemovePreprocessor.remove_cell_tags='{\"hide\"}' --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
+

compose.yml

@@ -33,49 +33,8 @@ 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: