{
  "id": "infra-stack/vpc-and-nat-gateways",
  "slug": "vpc-and-nat-gateways",
  "title": "Session: vpc-and-nat-gateways — 2026-08-13",
  "type": "source",
  "project": "infra-stack",
  "date": "2026-08-13",
  "started": "2026-08-13T15:00:00+00:00",
  "ended": "2026-08-13T16:00:00+00:00",
  "model": "glm-4.6",
  "cwd": "/home/dev/code/infra-stack",
  "git_branch": "feat/vpc",
  "permission_mode": "default",
  "user_messages": 1,
  "tool_calls": 2,
  "tools_used": [
    "Bash",
    "Edit"
  ],
  "is_subagent": false,
  "wikilinks_out": [
    "AWSVPC",
    "Terraform",
    "infra-stack"
  ],
  "body_text": "Project: infra-stack · Branch: feat/vpc · Mode: default · Model: glm-4.6\n\nSummary\n\nAdded the VPC module the EKS cluster sits in: three AZs, private and public subnets, one NAT gateway per AZ in prod and a single shared one in staging to save cost.\n\nConversation\n\nTurn 1 — User\n\nStaging is burning money on NAT gateways.\n\nTurn 1 — Assistant\n\nMake the NAT layout a variable: one per AZ for prod, a single shared gateway for staging.\n\nTools used in this turn:\n\n- Edit: modules/vpc/main.tf\n- Bash: terraform plan -var-file=staging.tfvars — 2 to destroy\n\nConnections\n\n- infra-stack\n- Terraform\n- AWSVPC",
  "sha256": "f14f8eb7ac666ff0",
  "source_url": "sessions/infra-stack/2026-08-13-vpc-and-nat-gateways.html"
}