Fix travis coverage

Author: blabla1337

.travis.yml

@@ -17,7 +17,7 @@ before_install:
 
 install:
   - pip3 install pytest-cov
-  - pip3 install coverage
+  - pip3 install coverage==4.5.4
   - pip3 install python-coveralls
   - pip3 install -r requirements.txt
   - cd Angular

Docker/alpine/Dockerfile

@@ -48,5 +48,4 @@ RUN npm install
 EXPOSE 443 80
 
 WORKDIR /home/user_skf
-VOLUME [ "/home/user_skf" ]
 ENTRYPOINT ["/entrypoint.sh"]