f7c2c06009
- Set memory requests = limits across 56 stacks to prevent overcommit - Right-sized limits based on actual pod usage (2x actual, rounded up) - Scaled down trading-bot (replicas=0) to free memory - Fixed OOMKilled services: forgejo, dawarich, health, meshcentral, paperless-ngx, vault auto-unseal, rybbit, whisper, openclaw, clickhouse - Added startup+liveness probes to calibre-web - Bumped inotify limits on nodes 2,3 (max_user_instances 128->8192) Post node2 OOM incident (2026-03-14). Previous kubelet config had no kubeReserved/systemReserved set, allowing pods to starve the kernel.
459 lines
14 KiB
HCL
459 lines
14 KiB
HCL
variable "tls_secret_name" {
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type = string
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sensitive = true
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}
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variable "nfs_server" { type = string }
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variable "postgresql_host" { type = string }
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variable "redis_host" { type = string }
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variable "ollama_host" { type = string }
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data "vault_kv_secret_v2" "secrets" {
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mount = "secret"
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name = "trading-bot"
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}
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locals {
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common_env = {
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TRADING_DATABASE_URL = "postgresql+asyncpg://trading:${data.vault_kv_secret_v2.secrets.data["db_password"]}@${var.postgresql_host}:5432/trading"
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TRADING_REDIS_URL = "redis://${var.redis_host}:6379/4"
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TRADING_LOG_LEVEL = "INFO"
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TRADING_ALPACA_API_KEY = data.vault_kv_secret_v2.secrets.data["alpaca_api_key"]
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TRADING_ALPACA_SECRET_KEY = data.vault_kv_secret_v2.secrets.data["alpaca_secret_key"]
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TRADING_ALPACA_BASE_URL = "https://paper-api.alpaca.markets"
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TRADING_PAPER_TRADING = "true"
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TRADING_JWT_SECRET_KEY = data.vault_kv_secret_v2.secrets.data["jwt_secret"]
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TRADING_REDDIT_CLIENT_ID = data.vault_kv_secret_v2.secrets.data["reddit_client_id"]
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TRADING_REDDIT_CLIENT_SECRET = data.vault_kv_secret_v2.secrets.data["reddit_client_secret"]
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TRADING_REDDIT_USER_AGENT = "trading-bot/0.1"
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TRADING_OLLAMA_HOST = "http://${var.ollama_host}:11434"
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TRADING_OLLAMA_MODEL = "gemma3"
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TRADING_WATCHLIST = "[\"AAPL\",\"TSLA\",\"NVDA\",\"MSFT\",\"GOOGL\"]"
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TRADING_BAR_TIMEFRAME = "5Min"
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TRADING_POLL_INTERVAL_SECONDS = "60"
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TRADING_HISTORICAL_BARS = "100"
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TRADING_SNAPSHOT_INTERVAL_SECONDS = "60"
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TRADING_ALPHA_VANTAGE_API_KEY = data.vault_kv_secret_v2.secrets.data["alpha_vantage_api_key"]
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TRADING_FMP_API_KEY = data.vault_kv_secret_v2.secrets.data["fmp_api_key"]
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TRADING_FUNDAMENTALS_CACHE_TTL_HOURS = "24"
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TRADING_RP_ID = "trading.viktorbarzin.me"
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TRADING_RP_NAME = "Trading Bot"
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TRADING_RP_ORIGIN = "https://trading.viktorbarzin.me"
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TRADING_CORS_ORIGINS = "[\"https://trading.viktorbarzin.me\"]"
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}
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}
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resource "kubernetes_namespace" "trading-bot" {
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metadata {
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name = "trading-bot"
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labels = {
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tier = local.tiers.edge
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}
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}
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}
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module "tls_secret" {
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source = "../../modules/kubernetes/setup_tls_secret"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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tls_secret_name = var.tls_secret_name
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}
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# Database init job - creates the trading database and user in PostgreSQL
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resource "kubernetes_job" "db_init" {
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metadata {
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name = "trading-bot-db-init"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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}
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spec {
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template {
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metadata {}
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spec {
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container {
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name = "db-init"
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image = "postgres:16-alpine"
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command = [
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"sh", "-c",
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<<-EOT
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set -e
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# Create role if not exists
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -tc "SELECT 1 FROM pg_roles WHERE rolname='trading'" | grep -q 1 || \
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -c "CREATE ROLE trading WITH LOGIN PASSWORD '${data.vault_kv_secret_v2.secrets.data["db_password"]}'"
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# Create database if not exists
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -tc "SELECT 1 FROM pg_database WHERE datname='trading'" | grep -q 1 || \
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -c "CREATE DATABASE trading OWNER trading"
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# Grant privileges
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -c "GRANT ALL PRIVILEGES ON DATABASE trading TO trading"
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# Try to enable timescaledb (allow failure)
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PGPASSWORD='${data.vault_kv_secret_v2.secrets.data["dbaas_root_password"]}' psql -h ${var.postgresql_host} -U root -d trading -c "CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE" || true
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echo "Database init complete"
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EOT
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]
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}
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restart_policy = "Never"
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}
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}
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backoff_limit = 3
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}
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wait_for_completion = true
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timeouts {
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create = "2m"
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}
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}
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# Migrations job - runs alembic migrations
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resource "kubernetes_job" "migrations" {
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metadata {
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name = "trading-bot-migrations"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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}
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spec {
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template {
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metadata {}
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spec {
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container {
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name = "migrations"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "alembic", "upgrade", "head"]
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env {
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name = "TRADING_DATABASE_URL"
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value = "postgresql+asyncpg://trading:${data.vault_kv_secret_v2.secrets.data["db_password"]}@${var.postgresql_host}:5432/trading"
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}
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env {
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name = "TRADING_REDIS_URL"
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value = "redis://${var.redis_host}:6379/4"
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}
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}
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restart_policy = "Never"
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}
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}
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backoff_limit = 3
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}
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wait_for_completion = true
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timeouts {
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create = "5m"
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}
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depends_on = [kubernetes_job.db_init]
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}
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# Frontend deployment - dashboard + api-gateway
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resource "kubernetes_deployment" "trading-bot-frontend" {
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metadata {
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name = "trading-bot-frontend"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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labels = {
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app = "trading-bot-frontend"
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tier = local.tiers.edge
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}
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}
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spec {
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# Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
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replicas = 0
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strategy {
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type = "RollingUpdate"
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rolling_update {
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max_unavailable = 0
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max_surge = 1
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}
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}
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selector {
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match_labels = {
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app = "trading-bot-frontend"
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}
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}
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template {
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metadata {
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labels = {
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app = "trading-bot-frontend"
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}
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}
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spec {
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container {
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name = "dashboard"
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image = "viktorbarzin/trading-bot-dashboard:latest"
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image_pull_policy = "Always"
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port {
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container_port = 80
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protocol = "TCP"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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container {
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name = "api-gateway"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.api_gateway.main"]
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port {
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container_port = 8000
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protocol = "TCP"
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}
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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resources {
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requests = {
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cpu = "50m"
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memory = "128Mi"
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}
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limits = {
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memory = "128Mi"
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}
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}
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}
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}
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}
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}
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lifecycle {
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ignore_changes = [
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spec[0].template[0].spec[0].container[0].image,
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spec[0].template[0].spec[0].container[1].image,
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]
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}
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depends_on = [kubernetes_job.migrations]
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}
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# Workers deployment - all background microservices
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resource "kubernetes_deployment" "trading-bot-workers" {
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metadata {
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name = "trading-bot-workers"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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labels = {
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app = "trading-bot-workers"
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tier = local.tiers.edge
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}
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}
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spec {
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# Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
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replicas = 0
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strategy {
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type = "Recreate"
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}
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selector {
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match_labels = {
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app = "trading-bot-workers"
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}
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}
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template {
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metadata {
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labels = {
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app = "trading-bot-workers"
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}
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}
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spec {
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container {
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name = "news-fetcher"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.news_fetcher.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9091"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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container {
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name = "sentiment-analyzer"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.sentiment_analyzer.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9092"
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}
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resources {
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requests = {
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cpu = "100m"
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memory = "512Mi"
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}
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limits = {
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memory = "512Mi"
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}
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}
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}
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container {
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name = "signal-generator"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.signal_generator.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9093"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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container {
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name = "trade-executor"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.trade_executor.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9094"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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container {
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name = "learning-engine"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.learning_engine.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9095"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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container {
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name = "market-data"
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image = "viktorbarzin/trading-bot-service:latest"
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image_pull_policy = "Always"
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command = ["python", "-m", "services.market_data.main"]
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dynamic "env" {
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for_each = local.common_env
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content {
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name = env.key
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value = env.value
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}
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}
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env {
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name = "TRADING_OTEL_METRICS_PORT"
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value = "9096"
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}
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resources {
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requests = {
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cpu = "10m"
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memory = "64Mi"
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}
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limits = {
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memory = "64Mi"
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}
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}
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}
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}
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}
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}
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lifecycle {
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ignore_changes = [
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spec[0].template[0].spec[0].container[0].image,
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spec[0].template[0].spec[0].container[1].image,
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spec[0].template[0].spec[0].container[2].image,
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spec[0].template[0].spec[0].container[3].image,
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spec[0].template[0].spec[0].container[4].image,
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spec[0].template[0].spec[0].container[5].image,
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]
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}
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depends_on = [kubernetes_job.migrations]
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}
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resource "kubernetes_service" "trading-bot-frontend" {
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metadata {
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name = "trading-bot-frontend"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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labels = {
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app = "trading-bot-frontend"
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}
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}
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spec {
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selector = {
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app = "trading-bot-frontend"
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}
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port {
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port = 80
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target_port = 80
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}
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}
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}
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module "ingress" {
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source = "../../modules/kubernetes/ingress_factory"
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namespace = kubernetes_namespace.trading-bot.metadata[0].name
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name = "trading"
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service_name = "trading-bot-frontend"
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tls_secret_name = var.tls_secret_name
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protected = true
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extra_annotations = {
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"gethomepage.dev/enabled" = "true"
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"gethomepage.dev/name" = "Trading Bot"
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"gethomepage.dev/description" = "Automated trading"
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"gethomepage.dev/icon" = "mdi-chart-line"
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"gethomepage.dev/group" = "Finance & Personal"
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"gethomepage.dev/pod-selector" = ""
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}
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}
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