combined CI for backend and frontend

.gitlab-ci.yml

 stages:
   - build
-  - ci_frontend
-  - coverage_frontend
+  - ci
+  - coverage
 build:
   stage: build
   script:
     - docker-compose build
 ci_frontend:
-  stage: ci_frontend
+  stage: ci
   script:
-    - ./ci.sh
-    - cat ci_frontend.log
+    - ./ci_frontend.sh
   artifacts:
     paths:
       - ci_frontend.log
+ci_backend:
+  stage: ci
+  script:
+    - ./ci_backend.sh
+  artifacts:
+    paths:
+      - ci_backend.log
+coverage:
+  stage: coverage
+  script:
+    - ./coverage.sh
+    - cat coverage.log
+  artifacts:
+    paths:
+      - coverage.log
   coverage: '/Statements.*?(\d+(?:\.\d+)?)%/'
-#coverage_frontend:
-#  stage: coverage_frontend
-#  script:
-#    - ./coverage.sh
-#    - cat coverage_frontend.log
-#  artifacts:
-#    paths:
-#      - coverage_frontend.log
-#  coverage: '/.*/'

ci_backend.sh

+docker-compose run --rm mcserver bash -c "source ../venv/bin/activate && coverage run --rcfile=.coveragerc tests.py && coverage combine && coverage report -m" > ci_backend.log

coverage.sh

-sed -En 's@Statements.*: @@p' ./ci_frontend.log | sed -n 's@%.*@@p'  > coverage_frontend.log
+x=$(sed -En 's@.*Statements.*: @@p' ./ci_frontend.log | sed -n 's@%.*@@p')
+y=$(sed -En 's@TOTAL *[0-9]+ *[0-9]+ *@@p' ./ci_backend.log | sed -n 's@%.*@@p')
+z=$(echo "scale=2; ($x + $y) / 2" | bc -l)
+echo "Statements : ${z}%" > coverage.log