Introduction update

examples/quickstart/docker-compose.yml

@@ -0,0 +1,18 @@
+version: '3'
+
+services:
+  #The reverse proxy service (Træfik)
+  reverse-proxy:
+    image: traefik #The official Traefik docker image
+    command: --api --docker #Enables the web UI and tells Træfik to listen to docker
+    ports:
+      - "80:80"     #The HTTP port
+      - "8080:8080" #The Web UI (enabled by --api)
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock #So that Traefik can listen to the Docker events
+
+  #A container that exposes a simple API
+  whoami:
+    image: emilevauge/whoami #A container that exposes an API to show it's IP address
+    labels:
+      - "traefik.frontend.rule=Host:whoami.docker.localhost"