add docker-compose

for use with watchtower to auto-update containers

.gitignore

@@ -1 +1,2 @@
-node_modules/
+node_modules/
+pushbullet_access_token.txt

docker-compose.yml

@@ -0,0 +1,23 @@
+version: "3"
+services:
+    website:
+        container_name: expertlab
+        image: sandropxl/expertlab:latest
+        ports:
+            - 8500:80
+    watchtower:
+        container_name: watchtower
+        image: containrrr/watchtower
+        environment:
+            - WATCHTOWER_CLEANUP=true
+            - WATCHTOWER_NOTIFICATIONS=shoutrrr
+            - WATCHTOWER_NOTIFICATION_URL=/run/secrets/pushbullet_access_token
+            - WATCHTOWER_SCHEDULE=*/15 * * * * *
+        volumes:
+            - /etc/localtime:/etc/localtime
+            - /var/run/docker.sock:/var/run/docker.sock
+        secrets:
+          - pushbullet_access_token
+secrets:
+  pushbullet_access_token:
+    file: ./pushbullet_access_token.txt