feat(infra): IaC foundation — Terraform modules + Helm chart skeleton (Step 0.9) - #34
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… (Step 0.9) Terraform (Kubernetes-native, helm + kubernetes providers): - modules/postgres — Bitnami postgresql chart, pgvector image override, K8s Secret - modules/redis — Bitnami redis chart, standalone/replication modes - modules/qdrant — Official qdrant chart, configurable replicas + storage - modules/elasticsearch — Bitnami elasticsearch chart, security toggle dev/prod - Root module wires all four backends with per-backend enable flags - environments/dev — local cluster (docker-desktop/kind), minimal resources, local state - environments/prod — production sizing (3× Qdrant replicas, 100–200 Gi), S3 backend stub Helm chart (infra/helm/rag-platform/): - Deployment with ConfigMap-mounted rag.yaml, Secret env var injection, read-only rootfs - Service, HPA (CPU+memory), PodDisruptionBudget, Ingress, ServiceAccount - values.dev.yaml override for single-replica, minimal-resource local deploys - NOTES.txt with post-install port-forward instructions CI gate (ci.yml): - New infra path filter (infra/terraform/**, infra/helm/**) - New iac job: terraform init -backend=false + validate for dev + prod; helm lint + template dry-run - iac job added to ci-pass required gate Task targets: task infra:init / infra:validate / infra:plan / helm:lint / helm:template Docs: docs/architecture/iac.md, docs/adr/ADR-0003-iac-kubernetes-native.md Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…t semver ranges Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ment conflict 'version' is reserved for registry modules in a module block. Using it with a local-path source caused Terraform to reject the source as an invalid registry address. Renamed to app_version across all four backend modules, root variables.tf, root main.tf, and both environment main.tf files. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
helm+kubernetesproviders) for all four core backends: Postgres/pgvector, Redis, Qdrant, Elasticsearch — each a self-contained module underinfra/terraform/modules/with consistentvariables.tf/main.tf/outputs.tfinfra/terraform/environments/dev/(local cluster, minimal resources, local state) andinfra/terraform/environments/prod/(HA sizing, S3 backend stub, production credentials via variables)infra/helm/rag-platform/) for the gateway service: Deployment (ConfigMap-mountedrag.yaml, Secret-injected DB creds, read-only rootfs), Service, HPA, PodDisruptionBudget, Ingress, ServiceAccount;values.dev.yamlfor single-replica local deploysiacjob inci.ymlrunsterraform validate -backend=false+helm lint/templatedry-run on everyinfra/change; wired into theci-passrequired checktask infra:init,task infra:validate,task infra:plan,task helm:lint,task helm:templateDocumentation
docs/architecture/iac.md— IaC overview, module design, Helm chart internals, env differences, extension pointsdocs/adr/ADR-0003-iac-kubernetes-native.md— Decision: Kubernetes-native Terraform over cloud-provider-specific RDS/ElastiCache modulesTest plan
task infra:validatepasses (requiresterraformCLI)task helm:lintpasses (requireshelmCLI)task helm:templaterenders without errorsiacjob passes on PR🤖 Generated with Claude Code