Fix alpine requirements in CI

.gitlab-ci.yml

@@ -7,14 +7,16 @@ stages:
 
 test:
   script:
-    - apk add --no-cache make gcc musl-dev yaml-dev
+    - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - python setup.py install
     - make ci-install-python-requirements
     - make test
 
 build:images:
   script:
-    - apk add --no-cache docker make
+    - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - python setup.py install
     - make ci-build-images
   tags:
@@ -24,6 +26,7 @@ build:images:
 build:docs:
   script:
     - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - pip install -r requirements/docs.txt
     - cd docs && make
   artifacts:
@@ -34,6 +37,7 @@ build:docs:
 build:pypi:
   script:
     - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - make ci-install-python-requirements
     - make package
   artifacts:
@@ -43,7 +47,8 @@ build:pypi:
 
 deploy:images:
   script:
-    - apk add --no-cache docker make
+    - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - python setup.py install
     - make ci-push-images
   only:
@@ -55,6 +60,7 @@ deploy:images:
 deploy:pypi:
   script:
     - apk add --no-cache make
+    - make ci-install-alpine-requirements
     - make ci-install-python-requirements
     - make ci-pypi
   dependencies:

Makefile

@@ -61,6 +61,9 @@ ci-info: ## Print info about environment
 	python3 --version
 	pip3 --version
 
+ci-install-alpine-requirements: ## Install requirements for a python:alpine image
+	apk add --no-cache docker gcc musl-dev yaml-dev
+
 ci-install-python-requirements: ## Install requirements
 	pip3 install -U setuptools pip
 	pip3 install -r requirements/dev.txt