# linux
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p

# windows
NetTCPSetting | Select SettingName, CongestionProvider
netsh int tcp set supplemental template=Internet congestionprovider=BBR2
netsh int tcp set supplemental template=InternetCustom congestionprovider=BBR2
netsh int tcp set supplemental template=Datacenter congestionprovider=BBR2
netsh int tcp set supplemental template=DatacenterCustom congestionprovider=BBR2
netsh int tcp set supplemental template=Compat congestionprovider=BBR2

sudo tc qdisc add dev eth0 root netem delay 100ms

sudo tc qdisc change dev eth0 root netem delay 100ms 10ms 25%

sudo tc qdisc change dev eth0 root netem delay 100ms 20ms distribution normal

sudo tc qdisc change dev eth0 root netem loss 20%

sudo tc qdisc change dev eth0 root netem duplicate 1%

sudo tc qdisc change dev eth0 root netem rate 5mbit 20 1500 5

sudo tc qdisc delete dev eth0 root netem

mkdir -p ~/.config/htop && [ -f ~/.config/htop/htoprc ] && mv ~/.config/htop/htoprc ~/.config/htop/htoprc.bak.$(date +%Y%m%d%H%M%S); curl -fsSL "https://gist.github.com/itcaat/45ea5994d66378fc4bd647cab860a05f/raw" -o ~/.config/htop/htoprc

"Покажи все FAILURE билды за сегодня"
"Найди самые медленные билды в проекте shitcode"
"Почему свалилась сборка #2321 и как это исправить"
"Запусти билд MyProject_Deploy на ветке main"
"Закрепи билд #1234 с тегом v.1.0.7"

# Пример подключения в Cursor
{
  "mcpServers": {
    "teamcity": {
        "command": "docker",
        "args": [
          "run",
          "--rm",
          "-i",
          "-e",
          "TC_URL",
          "-e",
          "TC_TOKEN",
          "itcaat/teamcity-mcp:v1.0.7",
          "--transport",
          "stdio"
        ],
        "env": {
          "TC_URL": "https://teamcity.example.com",
          "TC_TOKEN": "YOUR_TOKEN_HERE"
        }
      }
  }
}

# .github/workflows/build-pr.yml - часть 1
name: Build Pull Request

jobs:
  changed-services:
    name: Detect changed services
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      any_changed: ${{ steps.changed-files.outputs.any_changed }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get changed services
        id: changed-files
        uses: tj-actions/changed-files@v45
        with:
          dir_names: true
          dir_names_max_depth: 1
          json: true
          files: |
            **/*
          files_ignore: |
            **/*.md
            .github/**
            scripts/**
            *.md

      - name: List all changed files
        run: |
          echo "Changed files: ${{ steps.changed-files.outputs.all_changed_files }}"

      - name: Set matrix
        id: set-matrix
        run: |
          # Находим все директории с Dockerfile
          ALL_SERVICES=$(find . -maxdepth 2 -name "Dockerfile" -type f | sed 's|^\./||' | sed 's|/Dockerfile$||' | jq -R -s 'split("\n") | map(select(length > 0))' | jq -c .)
          echo "All services with Dockerfile: $ALL_SERVICES"
          
          # Получаем измененные файлы и убираем экранирование
          CHANGED_DIRS_RAW='${{ steps.changed-files.outputs.all_changed_files }}'
          CHANGED_DIRS=$(echo "$CHANGED_DIRS_RAW" | sed 's/\\"/"/g')
          echo "Changed directories: $CHANGED_DIRS"
          
          # Если изменился pkg/, пересобираем все Go сервисы (с go.mod)
          if echo "$CHANGED_DIRS" | jq -e 'index("pkg")' > /dev/null 2>&1; then
            SERVICES=$(find . -maxdepth 2 -name "go.mod" -type f | sed 's|^\./||' | sed 's|/go.mod$||' | jq -R -s 'split("\n") | map(select(length > 0))' | jq -c .)
            echo "pkg/ changed, rebuilding all Go services: $SERVICES"
          else
            # Фильтруем: оставляем только измененные директории с Dockerfile
            SERVICES=$(jq -nc --argjson all "$ALL_SERVICES" --argjson changed "$CHANGED_DIRS" \
              '$changed | map(select(. as $dir | $all | index($dir)))' | jq -c .)
            echo "Changed services: $SERVICES"
          fi
          
          # Если нет сервисов для сборки, создаем пустой массив
          if [ "$SERVICES" = "[]" ] || [ -z "$SERVICES" ]; then
            echo "No services to build"
            SERVICES="[]"
          fi
          
          echo "matrix={\"service\":$SERVICES}" >> "$GITHUB_OUTPUT"

«Поиск выдает результаты через 5 секунд»
«Платежи проходят с задержкой»
«Интерфейс зависает при большом количестве данных»

version: "prometheus/v1"
service: "myservice"
labels:
  owner: "myteam"
  repo: "myorg/myservice"
  tier: "2"
slos:
  # We allow failing (5xx and 429) 1 request every 1000 requests (99.9%).
  - name: "requests-availability"
    objective: 99.9
    description: "Common SLO based on availability for HTTP request responses."
    sli:
      events:
        error_query: sum(rate(http_request_duration_seconds_count{job="myservice",code=~"(5..|429)"}[{{.window}}]))
        total_query: sum(rate(http_request_duration_seconds_count{job="myservice"}[{{.window}}]))
    alerting:
      name: MyServiceHighErrorRate
      labels:
        category: "availability"
      annotations:
        # Overwrite default Sloth SLO alert summmary on ticket and page alerts.
        summary: "High error rate on 'myservice' requests responses"
      page_alert:
        labels:
          severity: pageteam
          routing_key: myteam
      ticket_alert:
        labels:
          severity: "slack"
          slack_channel: "#alerts-myteam"