russky-app-2022

Some application to demonstrate DevOps work

• Run tests

  make test

• Run linters & prettify

  make plint

• Run server

  make run

Cheatsheets

Docker

Login

Instruction (get token by link):

docker login --username oauth --password <token> cr.yandex

Build

docker build -t cr.yandex/<registry id>/russky-app-2022 .
docker push cr.yandex/<registry id>/russky-app-2022

Run on VM

• Go to VM vis ssh

  ssh <vm>

• Install docker

  sudo apt install docker.io

• Configure docker to work without sudo (instruction)

  sudo usermod -aG docker $USER

• Login into docker on VM

  docker login --username oauth --password <token> cr.yandex

• Run docker image with auto-restart

  # simple run
  docker run -it -p 8080:8080 --pull always cr.yandex/crphntksaqh2dho7ale3/russky-app-2022
  # daemonized run with auto-restart
  docker run -it -p 8080:8080 --pull always -d --restart unless-stopped cr.yandex/crphntksaqh2dho7ale3/russky-app-2022

Start ELK

sudo sysctl -w vms.tf.max_map_count=262144

or https://stackoverflow.com/questions/42889241/how-to-increase-vm-max-map-count

Prepare CI/CD

By deploy instruction (login instruction - link)

1. List service accounts

yc iam service-account --folder-id <folder_id> list

2. Generate service-account key

yc iam key create --folder-id  <folder_id> --service-account-name <sa name> --output key.json

3. Put secrets in GitHub:

   • CONTAINER_REGISTRY_ID == <registry_id>
   • CONTAINER_REGISTRY_TOKEN = <получить по ссылке >
   • YC_SA_KEY_JSON with content of key.json
   • YC_INSTANCE_GROUP_ID = <instance_group_id>

TODO

• ELK alerts