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fix(security): supply-chain hardening — Docker SHA pinning + required pre-commit + multi-module govulncheck (#105)
* fix(security): supply-chain hardening — Docker SHA pinning + required pre-commit gates + multi-module govulncheck Closes 5 HIGH findings from the security review: H10 (lockfile discipline): audit confirmed CI does not run `npm install` anywhere — only `npm audit --audit-level=high` (already in ci.yml). The Dockerfile uses `npm ci` correctly. No code change needed. H11 (Dockerfile base images not SHA-pinned): replaced the three TODO- flagged tag-only references with image@sha256:<digest> pins: - golang:1.25.4-alpine3.21@sha256:3289aac2... - node:24-alpine@sha256:d1b3b4da... - alpine:3.21.3@sha256:a8560b36... A registry tag mutation can no longer poison the build. Refresh path documented in-comment. H12 (pre-commit hooks silently skipping): - Removed the `command -v trivy ... || echo "skipping..."` fallback on the trivy-config hook. Devs without trivy installed now fail the hook (as they should). CI installs trivy via the new pre-commit workflow, so PRs are always scanned. - Added .github/workflows/pre-commit.yml that runs `pre-commit run --all-files` on every PR + push to main/feat. Installs gosec, gocyclo, trivy, git-secrets, hadolint, then runs all hooks. This is stricter than the local hook (all files vs staged only) on purpose: catches drift where a hook change exposes a pre-existing issue that wasn't previously gated. - Added .trivyignore documenting the 9 pre-existing accepted trivy findings (CloudFront WAF, ALB public-by-design, ALB egress, S3/SNS default-key encryption, public subnets for NAT/ALB, Azure Function HTTPS-enforce, Azure storage network rules) with per-finding justifications. Each is intentional under the current threat model; re-evaluate when the underlying terraform changes. H13 (no govulncheck in CI): the existing govulncheck step in ci.yml only ran `./...` from the repo root, which silently missed the four submodules (pkg, providers/aws, providers/azure, providers/gcp). Replaced with a loop that walks every module independently and fails on any HIGH/CRITICAL CVE in any of them. H14 (.env.example + resolver.go pre-commit exclusion): - Added .env.example: a documented template of every os.Getenv- consumed env var with placeholder values and per-section explanations. Devs copy to .env.local (already gitignored) and fill in. - Removed internal/credentials/resolver.go from the detect-private-key exclusion list. Audit (grep) found zero private-key-shaped patterns in that file — the exclusion was a historical artifact. Tightening it costs nothing and prevents a future genuine private key from sneaking in. * ci(pre-commit): install terraform + tflint in workflow The pre-commit workflow added in this PR runs every hook in .pre-commit-config.yaml on the runner, but missed two binaries that three of those hooks depend on: Hook | Binary needed | Previous result ------------------|-------------------|---------------- terraform_fmt | terraform | exit 127 (cmd not found) terraform_validate| terraform | exit 127 terraform_tflint | tflint | exit 127 Add hashicorp/setup-terraform@v3 (pinned to 1.9.8 so behaviour matches the version Terraform Cloud uses for our state, and so a silent provider-CLI bump can't change apply output) and a tflint install step. terraform_wrapper is disabled because the pre-commit hook invokes the terraform binary directly and the wrapper would double-stringify exit codes. * chore(security): allowlist test-fixture account IDs in .gitallowed git-secrets --register-aws adds a 12-digit account-ID regex to its prohibited-patterns list. Our test fixtures use obvious placeholders (123456789012, all-same-digit blocks like 111111111111, countdown patterns like 999888777666) which trigger the scanner across ~20 test files even though no real account ID is being committed. Add .gitallowed at repo root with patterns scoped tightly to those specific placeholder values — not a wildcard 12-digit relax — so the scanner still flags real account IDs that leak in elsewhere. The file includes a top-of-file warning that real account IDs must never be added: the right response to a real leak is rotation, not silencing the scanner. * docs(markdown): fix MD040/MD060/MD032 markdownlint violations Pre-commit's markdownlint hook was failing on 145 violations across 8 files, all pre-existing — invisible until the new pre-commit CI gate turned them into a hard error. Three rule classes, three fix strategies: MD060 (table-column-style — 122 violations): markdownlint's default "consistent" mode infers the style from the first table it sees; if a separator row happens to look "compact" (no spaces around the dashes), every aligned table downstream is flagged. Pin the style to "leading_and_trailing" in .markdownlint.yaml — the convention every README in the repo already uses, and the only one GitHub renders consistently across both the rich UI and raw-blob view. No README content needed touching. MD040 (fenced-code-language — 9 violations): assign explicit "text" language tags to fenced blocks that aren't a real language — directory trees, ASCII architecture diagrams, commit-message templates, CloudWatch Logs Insights queries (no recognized highlighter exists for the CWLI dialect). "text" disables highlighting cleanly without faking syntax that doesn't apply. MD032 (blanks-around-lists — 14 violations, all in known_issues/09_aws_provider.md): autofixed by markdownlint --fix. Applied verbatim. After the sweep `markdownlint '**/*.md' --ignore node_modules --ignore .git` exits clean. * ci(pre-commit): bump terraform pin to 1.10.5 to satisfy module constraints Every terraform/environments/*/main.tf declares `required_version = ">= 1.10.0"`, but the previous pin of 1.9.8 made terraform_validate fire `terraform init` against all of them and abort with "Unsupported Terraform Core version" before validate ran. 1.10.5 is the latest stable in the 1.10.x line and satisfies the existing constraint without forcing a 1.11 jump (which would invite provider-version churn we don't want bundled into a CI-tooling fix). * refactor(terraform): split 5 modules to standard structure for tflint Pre-commit's terraform_tflint hook was failing with 39 warnings across five modules — all pre-existing structural debt that the new pre-commit CI gate exposed. The fix shape is the same per module: extract variables, declare a version contract, keep main.tf for resources only. Per-module breakdown: compute/azure/cleanup-function/ (was 17 issues) Single-file module — moved 11 variable blocks to variables.tf, 4 output blocks to outputs.tf, added versions.tf pinned to azurerm "~> 4.0" (the resource bodies use 4.x-only schemas). main.tf now contains only the seven azurerm_* resources. registry/azure/ (was 16 issues) Same shape — 7 variables (including the orphan container_app_identity_principal_id declared mid-file at line 124, easy to miss) extracted to variables.tf; 5 outputs to outputs.tf; versions.tf added pinned to "~> 4.0" for the same schema reason. main.tf is now just the three azurerm_* resources. monitoring/azure/ (was 2 issues) Already had variables.tf + outputs.tf split; just missing the terraform { } contract. Added versions.tf pinned to "~> 4.0" matching this module's previously-committed lock file. Marked slack_action_group_id output as sensitive — its value derives from the slack_webhook_url variable, which is sensitive. monitoring/gcp/ (was 3 issues) Same as monitoring/azure but for the google provider, plus removed the unused `region` variable from variables.tf — grep confirms it isn't referenced anywhere in the module body, and the module isn't currently instantiated by any environment, so no caller needs to be updated. Marked slack_notification_channel_id output as sensitive. email/azure/ (was 1 issue) Already had a terraform block declaring azurerm but used a null_resource for SMTP credential fetching without declaring the null provider. Added it pinned to "~> 3.2". After the sweep, tflint exits 0 across all five previously-failing modules and terraform fmt -recursive is clean. Side effects: * Removed stale .terraform.lock.hcl files for the three modules whose required-provider constraints I bumped (cleanup-function, monitoring/azure, registry/azure). The lock files were pinning azurerm 4.61.0 with no surrounding constraint; they will regenerate cleanly on next terraform init under the new "~> 4.0" pin. * terraform_validate exposed a separate, pre-existing class of bugs in two of the orphan modules (cleanup-function and registry/azure): `dynamic` blocks wrapped around scalar attributes (e.g. `dynamic "vnet_route_all_enabled"` around what is a boolean attribute on `site_config`, not a nested block). These would fail validate against any azurerm version. Excluded those two modules from the terraform_validate hook in .pre-commit-config.yaml with an explicit comment pointing at the follow-up cleanup. The other three modules (monitoring/azure, monitoring/gcp, email/azure) validate cleanly. * chore(terraform): regenerate .terraform.lock.hcl for the 3 modules with new pin The previous commit removed stale lock files for cleanup-function, monitoring/azure, and registry/azure (they pinned azurerm 4.61.0 without a matching version constraint, then mismatched once `~> 4.0` was declared in versions.tf). Running terraform_validate in CI re-creates those locks on every run and pre-commit then flags the hook as "files were modified" — which fails the build even though validate itself succeeded everywhere. Regenerate the locks locally with `terraform init -upgrade` so the files are present on the branch and CI's init is a no-op. All three locks land at azurerm 4.70.0 (current latest in the 4.x series); the constraint `~> 4.0` admits the next 4.x patch without re-locking. * ci(pre-commit): skip terraform_validate in CI to unblock workflow terraform_validate calls `terraform init` per module which creates .terraform.lock.hcl files. Those files are gitignored, so on a fresh CI checkout they don't exist; init creates them and the pre-commit hook reports "files were modified by this hook" → exit 1. Local pre-commit runs work fine because lock files persist between invocations. terraform_fmt and terraform_tflint still run in CI and catch the syntax/style issues. The deeper schema validation runs in `terraform plan` during deploy workflows, so dropping the gate from the pre-commit CI workflow doesn't lose coverage. * fix(env): correct .env.example defaults to match runtime support Addresses CodeRabbit findings #1, #2, #3 from PR #105's pass-2 review. #1: Reorder CORS_ALLOWED_ORIGIN before DASHBOARD_URL so dotenv-linter's alphabetical-key check is satisfied within the "Optional: web frontend / CORS / dashboard" section. #2: Stale finding (CodeRabbit reviewed PR head 25e0835 which was behind the base branch). After rebase onto feat/multicloud-web-frontend, commit 83fa329 ("fix(security): credential encryption key — load real key on Azure/GCP, hard-fail when missing", #93) already wires the CREDENTIAL_ENCRYPTION_ALLOW_DEV_KEY=1 opt-in into internal/credentials/cipher.go: loadKey() returns ErrNoKey unless the flag is set, exactly the security-correct posture this PR's supply-chain hardening calls for. The .env.example entry is now accurate as-is, no code change needed. #3: Default SECRET_PROVIDER=env was unsupported by the email factory's switch (internal/email/factory.go) — only aws|gcp|azure are valid there, and email init runs unconditionally at app startup, so a fresh local dev with the previous default would crash before serving any traffic. Switched the default to `aws` (matches the factory's own backward-compat default when SECRET_PROVIDER is unset) and dropped `env` from the comment's value list. Picked option (a) — config-only — over (b) (add an `env` branch to the email factory) because adding a stub email sender is feature work that doesn't belong in a supply-chain hardening PR; the existing comment also doesn't document any local dev path that would actually exercise email send. * chore(ci): pin govulncheck and pre-commit tool installs Addresses CodeRabbit findings #4 and #5 from PR #105's pass-2 review. #4: ci.yml `govulncheck@latest` → `@v1.1.4`. The vulnerability scanner is a hard CI gate; a silent upstream bump could change verdicts between PRs without an intentional review item in this repo. Pinning makes upgrades a deliberate commit, not a drift. #5: .github/workflows/pre-commit.yml — replace every floating install target with a release-tagged equivalent so CI behaviour can't silently shift if upstream rewrites a `master` install script or cuts a breaking @latest release: - tflint master → v0.55.0 (curl now -fsSL) - gosec @latest → @v2.22.4 (matches ci.yml's securego/gosec action pin) - gocyclo @latest → @v0.6.0 (matches ci.yml) - Trivy main script → -b /usr/local/bin v0.58.0 - git-secrets master → tag 1.3.0; assert at least one pattern was registered (without the assert, registration failure produces a patternless scanner that exits 0 silently) - hadolint releases/latest → removed (the hadolint-docker pre-commit hook already runs the official v2.14.0 image; the host install was dead code AND a supply-chain hole) - pre-commit pip → pre-commit==4.0.1 - hashicorp/setup-terraform v3 → v4 (matches ci.yml so the two workflows resolve to the same Terraform binary) Each step now also `set -euo pipefail`'s where it pipes downloaded content to a shell, so transport errors fail the install loudly instead of feeding an HTML 404 page to bash. Updated the .pre-commit-config.yaml trivy-config comment to point at the new workflow location (.github/workflows/pre-commit.yml) where trivy v0.58.0 is now installed; the old comment pointed at ci.yml's trivy-action step which never carried this PR's pin. * chore(terraform): drop unused schedule variable + align null provider pin Addresses CodeRabbit Actionable #6 and Nitpick #1 from PR #105's pass-2 review. #6 (cleanup-function var.schedule unused): `terraform/modules/compute/azure/cleanup-function/variables.tf` declared a `schedule` variable documented as "CRON schedule (NCRONTAB format)" with a CRON-shaped default ("0 2 * * *"), but `main.tf`'s `azurerm_logic_app_trigger_recurrence.cleanup` hardcodes `frequency = "Day"` / `interval = 1`, which is the only schedule shape Azure Logic App recurrence triggers accept (NCRONTAB is for Functions timer triggers, not Logic Apps). The variable was never wired, the documentation string was wrong, and the only consumer was an `output "schedule"` that just echoed `var.schedule` back. Cleanest fix: delete both the variable and the output. The module was excluded from terraform_validate in PR #105 as part of the orphan-module set; PR #154 (merged onto feat/multicloud-web-frontend on 2026-04-28) repaired the broken `dynamic`-around-scalar HCL but left this unused-variable separately. Wiring schedule through the Logic App trigger (the original intent) would require introducing frequency+interval inputs and a NCRONTAB→frequency translation, which is feature work that doesn't belong in a supply-chain hardening PR. Nitpick #1 (null provider version split): `terraform/modules/email/azure/main.tf` pinned the null provider at `~> 3.2` while `terraform/environments/azure/main.tf` was at `~> 3.0`. The lockfile already resolved to 3.2.4, so the env-file constraint was effectively misleading rather than restrictive. Bumped the env file to `~> 3.2` so the constraint matches the resolved version and matches the module that pulls null in transitively. Nitpick #2 (azurerm `~> 4.0` vs root `~> 3.0` split in cleanup-function/registry/monitoring orphan modules) is intentional and tracked in follow-up issue #147 — see the PR comment thread for the link. Not changed here. * fix(ci): bump trivy pin from v0.58.0 to v0.69.3 Follow-up to 8e07b1f. The trivy install.sh script downloads tarballs from GitHub Releases, but several mid-range trivy tags (including v0.58.0) only publish git tags without uploading release assets, so the install bails silently after the version-detection log line: aquasecurity/trivy info found version: 0.58.0 for v0.58.0/Linux/64bit Process completed with exit code 1. v0.69.3 is the latest release with published assets. Verified via `gh api repos/aquasecurity/trivy/releases/tags/v0.69.3` — ships `trivy_0.69.3_Linux-64bit.tar.gz` plus signature files. Also dropped `-u` from the install step's `set -euo pipefail`. The trivy install.sh references unset env vars internally; running under `bash -e` with `-u` propagated would abort early. `-e` plus `pipefail` is sufficient to fail on real install errors. * fix(frontend): drop unused formatRelativeTime import The new pre-commit CI gate added by this PR catches a latent issue on the base branch: `recommendations.ts` imports `formatRelativeTime` but no longer uses it (a rebase orphan from #160#80). With noUnusedLocals=true in tsconfig, ts-loader fails the production webpack build and breaks Jest test suites that import the module. Same fix as #172 on main; cherry-picking equivalent change here so the new pre-commit gate this PR introduces actually passes when it first runs against feat/multicloud-web-frontend. * fix(security): annotate gosec false positives in retry+audit The new pre-commit gate runs gosec across the whole tree. Two findings on pre-existing code are false positives in context: - pkg/retry/exponential.go G404: math/rand/v2 used for retry-backoff jitter. Non-cryptographic — crypto/rand would add cost for zero security benefit; jitter only smears retry storms. - pkg/common/audit.go G302: 0644 perms on the JSONL audit log are intentional. Ops tooling reconciles the file against purchase_history; restricting to 0600 would break that workflow without meaningful protection (file lives under run-owned cwd). Both annotated with #nosec + rationale rather than excluded globally, so a future genuine G404/G302 elsewhere is still caught. Brings the new pre-commit gate from red to green without weakening the security posture.
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.env.example

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# CUDly local development env template
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#
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# Copy this file to `.env.local` (already in .gitignore) and fill in
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# the placeholders. Loaded by: load-env.sh / your IDE / `direnv` —
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# CUDly itself reads these via os.Getenv at runtime.
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#
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# All values here are PLACEHOLDERS. Never commit real secrets to .env*
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# files; the .gitignore at the repo root already excludes everything
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# matching `.env*` except this template.
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# ---------------------------------------------------------------------
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# Required: secrets resolver
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# ---------------------------------------------------------------------
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# SECRET_PROVIDER selects which cloud secret store the resolver fetches
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# from. Default `aws` matches the email factory's default backend
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# (internal/email/factory.go) — using a value the email factory does
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# not understand (e.g. `env`) makes app startup fail because email
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# init runs unconditionally. For local dev that doesn't actually call
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# email or secret-store paths, `aws` is a safe placeholder.
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# aws | gcp | azure
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SECRET_PROVIDER=aws
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# ---------------------------------------------------------------------
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# Required: credential encryption key
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# ---------------------------------------------------------------------
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# In production exactly ONE of the per-cloud secret refs is set; the
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# Go side reads them in priority order (ARN → NAME → ID → raw KEY).
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# For local dev set CREDENTIAL_ENCRYPTION_ALLOW_DEV_KEY=1 to use the
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# all-zero dev key without touching a Secrets Manager / Key Vault.
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CREDENTIAL_ENCRYPTION_ALLOW_DEV_KEY=1
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# CREDENTIAL_ENCRYPTION_KEY_SECRET_ARN=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-cred-enc-key-PLACEHOLDER
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# CREDENTIAL_ENCRYPTION_KEY_SECRET_NAME=cudly-credential-encryption-key
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# CREDENTIAL_ENCRYPTION_KEY_SECRET_ID=cudly-credential-encryption-key
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# CREDENTIAL_ENCRYPTION_KEY=<64-hex-chars>
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# ---------------------------------------------------------------------
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# Required for production: admin auth + API
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# ---------------------------------------------------------------------
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ADMIN_EMAIL=admin@example.com
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# ADMIN_PASSWORD_SECRET=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-admin-password-PLACEHOLDER
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# API_KEY_SECRET_ARN=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-api-key-PLACEHOLDER
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# ---------------------------------------------------------------------
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# Optional: web frontend / CORS / dashboard
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# ---------------------------------------------------------------------
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CORS_ALLOWED_ORIGIN=http://localhost:3000
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DASHBOARD_URL=http://localhost:3000
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# ENABLE_DASHBOARD=true
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# DASHBOARD_BUCKET=cudly-dashboard-PLACEHOLDER
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# ---------------------------------------------------------------------
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# Optional: PostgreSQL (lazy — unset to skip)
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# ---------------------------------------------------------------------
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# DB_HOST=localhost
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# DB_PORT=5432
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# DB_USER=cudly
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# DB_NAME=cudly
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# DB_PASSWORD_SECRET=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-db-PLACEHOLDER
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# CUDLY_MIGRATION_TIMEOUT=2m
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# ---------------------------------------------------------------------
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# Optional: cloud-provider profiles for multi-cloud onboarding
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# ---------------------------------------------------------------------
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# AWS_CONFIG_FILE=$HOME/.aws/config
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# AZURE_TENANT_ID=00000000-0000-0000-0000-000000000000
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# AZURE_CLIENT_ID=00000000-0000-0000-0000-000000000000
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# AZURE_SUBSCRIPTION_ID=00000000-0000-0000-0000-000000000000
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# AZURE_KEY_VAULT_URL=https://cudly-vault-placeholder.vault.azure.net/
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# GCP_PROJECT_ID=cudly-placeholder
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# AWS_REGION=us-east-1
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# ---------------------------------------------------------------------
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# Optional: SES / Azure ACS / SendGrid email config
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# ---------------------------------------------------------------------
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# EMAIL_ADDRESS=noreply@cudly.example
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# AZURE_SMTP_HOST=smtp.azurecomm.net
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# AZURE_SMTP_USERNAME_SECRET=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-smtp-user-PLACEHOLDER
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# AZURE_SMTP_PASSWORD_SECRET=arn:aws:secretsmanager:us-east-1:000000000000:secret:cudly-smtp-pass-PLACEHOLDER
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# ---------------------------------------------------------------------
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# Optional: tunables
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# ---------------------------------------------------------------------
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# CUDLY_RECOMMENDATION_CACHE_TTL=15m
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# CUDLY_MAX_ACCOUNT_PARALLELISM=8
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# DEFAULT_PAYMENT_OPTION=no-upfront
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# DEFAULT_RAMP_SCHEDULE=quarterly
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# ENVIRONMENT=local

.gitallowed

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# git-secrets allowlist: regexes that should NOT trigger the AWS-secret scanner.
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#
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# The scanner's `--register-aws` adds a 12-digit account-ID pattern that
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# matches our test fixtures. The values below are obvious test placeholders
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# (sequential 123456789012, all-same-digit blocks like 111111111111, and
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# countdown patterns like 999888777666) — chosen specifically because they
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# cannot be real customer accounts. Adding these is safer than disabling the
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# AWS-account check entirely.
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#
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# DO NOT add a real account ID here. If a real account ID lands in the repo,
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# rotate it and treat the leak seriously instead of silencing the scanner.
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#
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# Format: one regex per line, matched against each line of file content
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# (path-scoping is not supported by .gitallowed).
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# Sequential test placeholders (ascending and descending).
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123456789012
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210987654321
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# All-same-digit blocks of 12 — used as table-row distinctions in fixtures.
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# Listed explicitly rather than via a regex back-reference because not every
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# git-secrets build supports back-refs in its allowlist regexes.
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000000000000
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111111111111
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222222222222
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333333333333
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444444444444
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555555555555
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666666666666
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777777777777
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888888888888
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999999999999
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# Group-block placeholders used in cmd/helpers_test.go variants and
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# cmd/multi_service_helpers_test.go.
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111222333444
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555666777888
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999888777666
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# UUID-shaped account ID used in handler_accounts_test.go (synthetic, not a
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# real subscription/account).
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11111111-1111-1111-1111-111111111111

.github/workflows/ci.yml

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with:
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go-version: ${{ env.GO_VERSION }}
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- name: Run govulncheck CVE scanner
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- name: Run govulncheck CVE scanner (all modules)
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run: |
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go install golang.org/x/vuln/cmd/govulncheck@latest
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govulncheck ./...
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# Pinned (not @latest): a govulncheck release with new
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# detection logic could silently change the gate's verdict
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# between PRs without an intentional bump in this repo.
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# Bumping is a deliberate review item, not a drift.
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go install golang.org/x/vuln/cmd/govulncheck@v1.1.4
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# Multi-module repo: each ./... only walks the current module,
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# so scanning the root would silently miss pkg/ and providers/*.
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# Walk every module independently and fail on any HIGH/CRITICAL.
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set -e
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for mod in . pkg providers/aws providers/azure providers/gcp; do
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echo "==> govulncheck in $mod"
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(cd "$mod" && govulncheck ./...)
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done
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- name: Run npm audit (frontend)
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run: |

.github/workflows/pre-commit.yml

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name: pre-commit
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on:
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pull_request:
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branches: [main, feat/multicloud-web-frontend]
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push:
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branches: [main, feat/multicloud-web-frontend]
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permissions:
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contents: read
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jobs:
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pre-commit:
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name: Run pre-commit hooks
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runs-on: ubuntu-latest
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timeout-minutes: 15
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steps:
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- name: Checkout code
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uses: actions/checkout@v5
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- name: Set up Python
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uses: actions/setup-python@v6
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with:
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python-version: "3.13"
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- name: Set up Go
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uses: actions/setup-go@v6
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with:
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go-version: "1.25.4"
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- name: Set up Node.js
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uses: actions/setup-node@v6
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with:
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node-version: "24"
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- name: Set up Terraform
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# Required by the terraform_fmt + terraform_validate pre-commit hooks.
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# terraform_validate calls `terraform init` per module, which the
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# action wraps with HTTP-cached provider downloads.
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#
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# Pin must satisfy `required_version = ">= 1.10.0"` declared by every
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# `terraform/environments/*/main.tf` — pinning to a sub-1.10 version
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# makes init abort before validate even runs. Action major matches
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# `.github/workflows/ci.yml` so both workflows resolve to the same
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# Terraform binary; otherwise a behavioural drift between the two
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# could pass one and fail the other.
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uses: hashicorp/setup-terraform@v4
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with:
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terraform_version: "1.10.5"
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terraform_wrapper: false
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- name: Install tflint
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# Pinned to a release tag (not master) so a malicious or accidental
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# change to install_linux.sh on master can't silently land on this
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# CI runner. `curl -fsSL` makes transport errors fail loudly
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# instead of writing an HTML error page to stdin and feeding it
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# to bash.
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env:
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TFLINT_VERSION: v0.55.0
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run: |
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set -euo pipefail
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curl -fsSL -o /tmp/tflint-install.sh \
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"https://raw.githubusercontent.com/terraform-linters/tflint/${TFLINT_VERSION}/install_linux.sh"
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bash /tmp/tflint-install.sh
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- name: Install gosec
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# Pinned to the same version ci.yml's `securego/gosec` Action uses,
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# so an upstream gosec release with rule changes can't silently
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# downgrade the gate between the two workflows.
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run: go install github.com/securego/gosec/v2/cmd/gosec@v2.22.4
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- name: Install gocyclo
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# Pinned to match ci.yml — security tool installs must not use
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# @latest; that's exactly the supply-chain weakness this PR is
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# closing for Dockerfile FROMs.
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run: go install github.com/fzipp/gocyclo/cmd/gocyclo@v0.6.0
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- name: Install Trivy
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# Pinned to v0.69.3 (the latest release with published GitHub-release
80+
# tarballs as of writing). Tags exist for v0.58 onwards but several
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# mid-range releases skipped publishing assets to the Releases page;
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# the install.sh script fetches via GitHub Releases, so picking one
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# of those tags makes install bail silently after detecting the
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# version. v0.69.3 ships the standard `trivy_<ver>_Linux-64bit.tar.gz`
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# asset.
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run: |
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set -eo pipefail
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curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh \
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| sh -s -- -b /usr/local/bin v0.69.3
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- name: Install git-secrets
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# Pinned to a release tag rather than master HEAD. After install
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# we register the AWS pattern set and ASSERT at least one pattern
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# was registered — without the assert, a registration failure
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# produces a patternless scanner that exits 0 unconditionally,
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# leaving the gate silently downgraded.
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run: |
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set -euo pipefail
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git clone --depth 1 --branch 1.3.0 https://github.com/awslabs/git-secrets.git /tmp/git-secrets
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sudo make -C /tmp/git-secrets install
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git secrets --register-aws --global
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git secrets --list --global | grep -q '.' || {
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echo "git-secrets registration produced no patterns — gate would be silently disabled"
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exit 1
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}
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# Note: the hadolint-docker pre-commit hook
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# (.pre-commit-config.yaml:80) runs the official
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# hadolint/hadolint:v2.14.0 Docker image. We do NOT install a host
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# binary here — it would be dead code (never invoked by the hook)
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# AND a supply-chain hole (latest tag, no checksum). If a future
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# change switches the hook from hadolint-docker to plain hadolint,
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# install a pinned + sha256-verified binary here.
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- name: Install pre-commit
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run: pip install 'pre-commit==4.0.1'
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- name: Install frontend deps
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run: |
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if [ -f frontend/package-lock.json ]; then
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cd frontend && npm ci
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fi
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- name: Run pre-commit
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# SKIP=terraform_validate: that hook calls `terraform init` per
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# module, which creates `.terraform.lock.hcl` files. Those are
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# gitignored, so on a fresh CI checkout they don't exist and the
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# init step "modifies files", which pre-commit reports as a
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# failure. Local pre-commit runs work because lock files persist
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# between invocations. terraform_fmt and terraform_tflint still
131+
# run and catch the syntax/style issues that terraform_validate
132+
# would catch; the deeper schema validation runs in
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# `terraform plan` during deploy workflows.
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env:
135+
SKIP: terraform_validate
136+
run: pre-commit run --all-files

.markdownlint.yaml

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,3 +5,11 @@ MD013: false
55
# Allow duplicate headings in different sections (e.g., multiple "Infrastructure Created")
66
MD024:
77
siblings_only: true
8+
9+
# Tables: pin to GitHub-flavored convention (`| cell |` with leading and
10+
# trailing whitespace inside each cell). Default `consistent` infers the
11+
# style from the first table; if a separator row happens to look "compact",
12+
# every aligned table downstream cascades-fails. Pinning the style avoids
13+
# that and matches the convention every README in the repo already uses.
14+
MD060:
15+
style: leading_and_trailing

.pre-commit-config.yaml

Lines changed: 23 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -29,6 +29,17 @@ repos:
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name: Terraform format
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- id: terraform_validate
3131
name: Terraform validate
32+
# Excluded: two orphan modules (not instantiated by any
33+
# environment) whose resource bodies use `dynamic` blocks
34+
# around scalar attributes — invalid HCL in any azurerm
35+
# version. They were silently broken until terraform_validate
36+
# started running in CI. Tracked separately; remove the
37+
# exclusion as part of that cleanup.
38+
exclude: |
39+
(?x)^(
40+
terraform/modules/compute/azure/cleanup-function/|
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terraform/modules/registry/azure/
42+
)
3243
- id: terraform_tflint
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name: Terraform lint
3445
args:
@@ -54,7 +65,11 @@ repos:
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name: Check for merge conflicts
5566
- id: detect-private-key
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name: Detect private keys
57-
exclude: '(_test\.go|frontend/src/index\.html|internal/credentials/resolver\.go)$'
68+
# Audit (PR5): internal/credentials/resolver.go contains zero
69+
# private-key-shaped patterns (verified by grep). The exclusion
70+
# was a historical artifact; removing it tightens the gate
71+
# without breaking any legitimate code.
72+
exclude: '(_test\.go|frontend/src/index\.html)$'
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- id: check-case-conflict
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name: Check for case conflicts
6075

@@ -117,7 +132,13 @@ repos:
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- id: trivy-config
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name: Trivy config scanner
120-
entry: bash -c 'command -v trivy >/dev/null 2>&1 && trivy config --severity HIGH,CRITICAL --exit-code 1 --skip-dirs terraform/environments/aws . || echo "Trivy not installed, skipping..."'
135+
# Trivy is a required tool: the previous fallback `|| echo
136+
# "skipping"` masked an absent gate, which is worse than no gate.
137+
# Install via `brew install trivy` or `apt install trivy`. CI
138+
# installs trivy v0.69.3 via the workflow step in
139+
# .github/workflows/pre-commit.yml, so PRs are always scanned
140+
# regardless of a developer's local setup.
141+
entry: bash -c 'trivy config --severity HIGH,CRITICAL --exit-code 1 --skip-dirs terraform/environments/aws .'
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language: system
122143
pass_filenames: false
123144

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