Run cheat.sh service (app) by docker-compose in debug mode

This would allow later inspection of stdout.

Assigned names to image and container to avoid confusion.
Build is done separately to clean up the output.

.travis.yml

@@ -4,7 +4,8 @@ language:
   - generic
 
 before_install:
-  - docker-compose up -d
+  - docker-compose build
+  - docker-compose run -d app bin/srv.py --debug
   - docker ps
   - docker images
 

docker-compose.yml

@@ -1,8 +1,9 @@
 version: '2'
 services:
   app:
-    build:
+    build: .
-      context: .
+    image: cheat.sh
+    container_name: chtsh
     depends_on:
       - redis
     ports: