Add example of static environments

[ondrejsika]

# .gitlab-ci.yml

image: sikalabs/ci

deploy dev:
  when: manual
  variables:
    HOST: dev.k8s.sikademo.com
  script: 
    - helm upgrade --install dev hello-world --repo https://helm.sikalabs.io --set host=$HOST --set TEXT="Ahoj z Gitlab CI!"
    - slu wait-for tls -a $HOST:443
  environment:
    name: dev
    url: https://$HOST
    on_stop: stop deploy dev

stop deploy dev:
  variables:
    HOST: dev.k8s.sikademo.com
    GIT_STRATEGY: none
  script: helm uninstall dev
  when: manual
  environment:
    name: dev
    action: stop

# ----

deploy prod:
  when: manual
  variables:
    HOST: prod.k8s.sikademo.com
  script: 
    - helm upgrade --install prod hello-world --repo https://helm.sikalabs.io --set host=$HOST --set TEXT="Hello from Gitlab CI!"
    - slu wait-for tls -a $HOST:443
  environment:
    name: prod
    url: https://$HOST
    on_stop: stop deploy prod

stop deploy prod:
  variables:
    HOST: prod.k8s.sikademo.com
    GIT_STRATEGY: none
  script: helm uninstall prod
  when: manual
  environment:
    name: prod
    action: stop

# ---
 
deploy stage:
  when: manual
  variables:
    HOST: stage.k8s.sikademo.com
  script: 
    - helm upgrade --install stage hello-world --repo https://helm.sikalabs.io --set host=$HOST --set TEXT="Hello from Gitlab CI!"
    - slu wait-for tls -a $HOST:443
  environment:
    name: stage
    url: https://$HOST
    on_stop: stop deploy stage

stop deploy stage:
  variables:
    HOST: stage.k8s.sikademo.com
    GIT_STRATEGY: none
  script: helm uninstall stage
  when: manual
  environment:
    name: stage
    action: stop