Merge branch 'auto_docker_images' into 'master'

Add automated building for docker images

See merge request !79

.gitlab-ci.yml

-# you will find the build script
-# for the image in ci/docker/Dockerfile
-image: zauberstuhl/ganggo-ci:1.9-stretch
+# you will find the build script for the image
+# in git.feneas.org:ganggo/docker.git
+image: ganggo/ganggo-ci:1.9-stretch
 services:
 - postgres:latest
 - mysql:latest
@@ -14,6 +14,7 @@ stages:
 - test
 - build
 - deploy
+- review
 before_script:
 - export VERSION=$(git tag -l --sort=-v:refname |head -n1)
 - export PROJECT_PATH=$GOPATH/src/git.feneas.org/ganggo
@@ -130,3 +131,15 @@ deploy artifacts to bintray:
   - linux:arm:7
   only:
   - /^v[\d\.]+-\w.*$/
+trigger other pipelines:
+  before_script:
+  - export VERSION=$(git tag -l --sort=-v:refname |head -n1)
+  stage: review
+  script:
+  # ID 99 https://git.feneas.org/ganggo/docker
+  - curl -X POST -F "token=$CI_JOB_TOKEN" -F "ref=master" -F "variables[GVERSION]=$VERSION" https://git.feneas.org/api/v4/projects/99/trigger/pipeline
+  # XXX trigger updating documentation
+  dependencies:
+  - deploy artifacts to bintray
+  only:
+  - /^v[\d\.]+-\w.*$/

ci/docker/Dockerfile

-FROM golang:1.9-stretch
-
-RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
-RUN apt-get install -y nodejs
-
-# armhf c cross compiler
-RUN apt-get install -y gcc-arm-linux-gnueabihf
-
-# windows 64 and 32 c/c++ cross compiler
-RUN apt-get install -y gcc-mingw-w64-x86-64 gcc-mingw-w64-i686
-RUN apt-get install -y g++-mingw-w64-x86-64 g++-mingw-w64-i686