Remove useless dependencies in Gitlab CI

.gitlab-ci.yml

@@ -6,7 +6,6 @@ py38-django31:
   stage: test
   image: python:3-alpine
   before_script:
-    - apk add gcc libc-dev libffi-dev postgresql-dev  # Add texlive
     - pip install tox --no-cache-dir
   script: tox -e py38-django31
 
@@ -14,6 +13,5 @@ linters:
   stage: quality-assurance
   image: python:3-alpine
   before_script:
-    - apk add gcc libc-dev libffi-dev postgresql-dev  # Add texlive
     - pip install tox --no-cache-dir
   script: tox -e linters

Dockerfile

@@ -11,7 +11,7 @@ RUN apk add --no-cache bash
 RUN mkdir /code
 WORKDIR /code
 COPY requirements.txt /code/requirements.txt
-RUN pip install -r requirements.txt --no-cache-dir
+RUN pip install -r requirements.txt psycopg2-binary --no-cache-dir
 
 COPY . /code/
 

requirements.txt

@@ -8,6 +8,5 @@ django-polymorphic
 django-tables2
 djangorestframework
 django-rest-polymorphic
-psycopg2-binary
 ptpython
 gunicorn