[skip ci] readme

.gitlab-ci-15-bluegreen.yml

+.job_template: &deploy_job
+  stage: deploy
+  when: manual
+  image: docker
+  before_script:
+    - cd python-dice
+  script:
+    - docker pull ciformation/dice-server:latest 
+    - if [ "$(docker ps -q -f name=dice-$CI_JOB_NAME)" ]; then docker stop dice-$CI_JOB_NAME; fi;
+    - docker run --name dice-$CI_JOB_NAME -d --rm -p $PORT:8081 ciformation/dice-server:latest 
+
+
+image : python:3
+
+stages :
+  - test
+  - doc
+  - pypi
+  - build
+  - deploy
+
+before_script:
+  - cd python-dice
+  - python setup.py install
+
+job_test:
+  stage : test
+  script: 
+    - python setup.py test
+    - pip install coverage
+    - coverage run -m unittest discover
+    - coverage report
+
+pages:
+  stage : deploy
+  only:
+    variables:
+      - $CI_COMMIT_MESSAGE =~ /^\[doc\].*/i
+  script:
+    - pip install sphinx
+    - python setup.py build_sphinx
+    - mv build/sphinx/html ../public
+  artifacts:
+    paths:
+      - public
+
+pypi:
+  stage : deploy
+  only:
+    - /^version-.*$/
+  script:
+    - pip install twine
+    - pip wheel . -w wheelhouse
+    - twine upload --repository-url https://test.pypi.org/legacy/ wheelhouse/*
+  
+build:
+  stage : build
+  image: docker
+  services:
+    - docker:dind
+  before_script:
+    - docker info
+    - cd python-dice
+  script:
+    - docker build -t $DOCKER_LOGIN/dice-server . 
+    - echo $DOCKER_PASSWORD | docker login -u $DOCKER_LOGIN --password-stdin
+    - docker push $DOCKER_LOGIN/dice-server
+
+blue:
+  <<: *deploy_job
+  variables:
+    DOCKER_HOST: "osug-docker-ci.u-ga.fr:2376"
+    PORT: 8090
+
+green:
+  <<: *deploy_job
+  variables:
+    DOCKER_HOST: "osug-docker-ci.u-ga.fr:2376"
+    PORT: 8091