Add Makefile and docker-compose v3

docker-compose.v3.yml

@@ -0,0 +1,53 @@
+# docker version 3 example
+
+version: "3.1"
+
+services:
+  tor:
+    image: goldy/tor-hidden-service
+    build: .
+    links:
+      - hello
+      - world
+      - again
+    environment:
+        # Set mapping ports
+        HELLO_PORTS: 80:80,800:80,8888:80
+
+        WORLD_PORTS: 8000:80
+
+        AGAIN_PORTS: 88:80
+
+        # hello and again will share the same onion_adress
+        AGAIN_SERVICE_NAME: foo
+        HELLO_SERVICE_NAME: foo
+
+    # Keep keys in volumes
+    volumes:
+      - tor-keys:/var/lib/tor/hidden_service/
+
+    # Set secret for key, use the same name as the service
+    secrets:
+      - source: foo
+        target: foo
+        mode: 0400
+
+  hello:
+    image: tutum/hello-world
+    hostname: hello
+
+  world:
+    image: tutum/hello-world
+    hostname: world
+
+  again:
+    image: tutum/hello-world
+    hostname: again
+
+volumes:
+    tor-keys:
+        driver: local
+
+secrets:
+    foo:
+        file: ./foo_private_key