Update file watcher to only monitor directories referenced in the nginx configuration

[dhurley]

Proposed changes

• Update file watcher to only monitor directories referenced in the nginx configuration.
• Ensure that any opened files are closed correctly.
• If watcher fails to be created then retry even 5 seconds (default file watcher monitoring period).

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• I have run make install-tools and have attached any dependency changes to this pull request
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• If applicable, I have updated any relevant documentation (README.md)
• If applicable, I have tested my cross-platform changes on Ubuntu 22, Redhat 8, SUSE 15 and FreeBSD 13

[github-actions]

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ❌ 2 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ✅ 0 package(s) with unknown licenses.

See the Details below.

License Issues

go.mod

Package	Version	License	Issue Type
github.com/hashicorp/errwrap	1.1.0	MPL-2.0	Incompatible License
github.com/hashicorp/go-multierror	1.1.1	MPL-2.0	Incompatible License

Allowed Licenses: Apache-1.1, Apache-2.0, BSD-2-Clause, BSD-3-Clause, BSL-1.0, ISC, MIT, NCSA, OpenSSL, Python-2.0, X11

Excluded from license check: pkg:githubactions/fossas/fossa-action, pkg:githubactions/opentofu/setup-opentofu, pkg:golang/github.com/shoenig/go-m1cpu, pkg:pypi/pytest-metadata

OpenSSF Scorecard

Package	Version	Score	Details
gomod/github.com/hashicorp/errwrap	1.1.0	🟢 6.7	Details Check Score Reason Binary-Artifacts 🟢 10 no binaries found in the repo Packaging ⚠️ -1 packaging workflow not detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Maintained 🟢 8 10 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 8 Code-Review 🟢 7 Found 7/9 approved changesets -- score normalized to 7 Pinned-Dependencies 🟢 10 all dependencies are pinned CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Fuzzing ⚠️ 0 project is not fuzzed License 🟢 10 license file detected Signed-Releases ⚠️ -1 no releases found Security-Policy 🟢 10 security policy file detected Branch-Protection 🟢 6 branch protection is not maximal on development and all release branches Vulnerabilities 🟢 10 0 existing vulnerabilities detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0
gomod/github.com/hashicorp/go-multierror	1.1.1	🟢 7.5	Details Check Score Reason Maintained 🟢 5 6 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 5 Packaging ⚠️ -1 packaging workflow not detected Code-Review 🟢 10 all changesets reviewed Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege Binary-Artifacts 🟢 10 no binaries found in the repo CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Pinned-Dependencies 🟢 8 dependency not pinned by hash detected -- score normalized to 8 Fuzzing ⚠️ 0 project is not fuzzed License 🟢 10 license file detected Signed-Releases ⚠️ -1 no releases found Security-Policy 🟢 10 security policy file detected Branch-Protection 🟢 6 branch protection is not maximal on development and all release branches Vulnerabilities 🟢 10 0 existing vulnerabilities detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0

Scanned Manifest Files

go.mod

• github.com/hashicorp/[email protected]
• github.com/hashicorp/[email protected]