CI: Alpine:edge is now v3.9

.gitlab-ci.yml

@@ -5,7 +5,7 @@
 # files implicitly passed between jobs or stages, only artifacts and maybe
 # cache (depends on configuration).
-image: alpine:edge
+image: alpine:3.9
 stages:
  - build
@@ -41,13 +41,13 @@ stages:
 build:alpine:gcc:
   <<: *build-push
-  image: alpine:edge
+  image: alpine:3.9
   before_script:
     - apk add --no-cache bash build-base cmake python3 libexecinfo-dev cppunit-dev libxml2-dev tclap-dev readline-dev qt5-qtbase-dev graphviz-dev jsoncpp-dev
 build:alpine:clang:
   <<: *build-push
-  image: alpine:edge
+  image: alpine:3.9
   before_script:
     - apk add --no-cache bash build-base cmake python3 libexecinfo-dev cppunit-dev libxml2-dev tclap-dev readline-dev qt5-qtbase-dev graphviz-dev jsoncpp-dev clang
   variables:
@@ -144,7 +144,7 @@ build:doc:
 test:alpine:gcc:
   <<: *test-push
-  image: alpine:edge
+  image: alpine:3.9
   before_script:
     - apk add --no-cache bash bc coreutils python3 cmake make libexecinfo cppunit libxml2 tclap readline qt5-qtbase qt5-qtbase-x11 graphviz jsoncpp
   dependencies:
@@ -152,7 +152,7 @@ test:alpine:gcc:
 test:alpine:clang:
   <<: *test-push
-  image: alpine:edge
+  image: alpine:3.9
   before_script:
     - apk add --no-cache bash bc coreutils python3 cmake make libexecinfo cppunit libxml2 tclap readline qt5-qtbase qt5-qtbase-x11 graphviz jsoncpp
   dependencies:
@@ -217,7 +217,7 @@ test:ubuntu:rolling:
 .docker: &docker_template
   stage: docker
-  image: gitlab.fit.cvut.cz:5000/ict/alpine-docker-images/ci:edge
+  image: alpine:3.9
   cache: {}  # disable
   variables:
     DOCKER_DRIVER: overlay2