sessionwiki

Session: vpc-and-nat-gateways — 2026-08-13

infra-stack · ZCode · branch feat/vpc · glm-4.6 · 2026-08-13 15:00 · 1 msgs · 2 tools · 1 min read · updated 2 months ago

tools: Bash, Edit
← infra-stack Download .md .txt .json
Tool calls
Bash Bash: 1 call (50.0%) 1 Edit Edit: 1 call (50.0%) 1
Token usage56.0K total
Input6.0K
Cache creation12.0K
Cache read36.0K
Output2.0K
Cache hit ratio67%· warming up

Project: infra-stack · Branch: feat/vpc · Mode: default · Model: glm-4.6

Summary

Added 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.

Conversation

Turn 1 — User

Staging is burning money on NAT gateways.

Turn 1 — Assistant

Make the NAT layout a variable: one per AZ for prod, a single shared gateway for staging.

Tools used in this turn:

  • Edit: modules/vpc/main.tf
  • Bash: terraform plan -var-file=staging.tfvars — 2 to destroy

Connections

  • [[infra-stack]]
  • [[Terraform]]
  • [[AWSVPC]]

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