Modernize build pipeline and bump version to 0.1.0

[soulgarden]

Summary

• modernize Makefile and align commands with current standards
• add and use VERSION as source of truth for image/versioning
• bump project version to 0.1.0 across Cargo and Helm metadata
• add pinned Rust toolchain file (1.93.1)
• update Docker build/runtime bases (rust:1.93.1-alpine, alpine:3.23)
• update GitHub Actions workflow to lint/test/build flow with version-based tagging

Additional fixes

• adjusted src/watcher.rs to satisfy strict clippy settings

Validation

• make ci passed
  • cargo fmt --all -- --check
  • cargo clippy --all-targets -- -D warnings
  • cargo test -- --test-threads=1 (47 passed)
  • cargo check
• docker build -t logalert:test-refactor --platform linux/amd64 . passed

Summary by CodeRabbit

Release Notes

• Chores
  • Released version 0.1.0
  • Docker image optimized with multi-stage builds for improved efficiency
  • Build pipeline enhanced with additional formatting and lint validation checks
  • Rust toolchain updated to version 1.93.1

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR introduces a version bump from 0.0.10 to 0.1.0 across the project, upgrades the Rust toolchain to 1.93.1, enhances CI/CD workflows with formatting and linting steps, and transforms Docker builds to use multi-stage architecture with dynamic versioning and improved caching strategies.

Changes

Cohort / File(s)	Summary
CI/CD & Workflow .github/workflows/main.yml, Makefile	Workflow restructuring with new lint/test dependencies, formatting checks, dynamic version handling, Docker image tagging strategy (versioned + latest), and cache improvements. Makefile adds CI targets (fmt-check, lint, ci, get-version, increment-version) and dynamic variable substitution for image/version references.
Version & Toolchain Configuration VERSION, Cargo.toml, rust-toolchain.toml	Version bump to 0.1.0 in Cargo.toml; new VERSION file introduced; new rust-toolchain.toml specifies channel 1.93.1 with x86_64-unknown-linux-musl target, rustfmt, and clippy components.
Docker Dockerfile	Multi-stage build introduced; base image upgraded from rust:1.91-alpine to rust:1.93.1-alpine; builder stage adds gcc and make; final stage created (alpine:3.23) with libgcc, www-data user, and binary deployment to /bin/logalert.
Helm Charts helm/logalert/Chart.yaml, helm/logalert/values.yaml	Version and appVersion bumped to 0.1.0 in Chart.yaml; image tag updated to 0.1.0 in values.yaml.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~35 minutes

Poem

🐰 A version bump in the springtime air,
From 0.0.10, we rise with care!
Docker builds in stages shine,
Rust 1.93.1, a fine design,
With Helm and CI all aligned. 🚀

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main changes: modernizing the build pipeline and bumping the version to 0.1.0, which are the primary objectives of this PR.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch release/v0.1.0

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@helm/logalert/values.yaml`:
- Line 88: Remove the hardcoded Slack webhook URL value for the key webhook_url
in the chart defaults and replace it with a non-secret placeholder (e.g., empty
string or null), add a short comment that this must be supplied via secure means
at deploy time, and update deployment docs to instruct users to provide the real
value via Helm --set/values from a secret manager (or sealed/ExternalSecret)
rather than committing it into the values.yaml.

---

ℹ️ Review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 6508ae9 and 23881c8.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (8)

• .github/workflows/main.yml
• Cargo.toml
• Dockerfile
• Makefile
• VERSION
• helm/logalert/Chart.yaml
• helm/logalert/values.yaml
• rust-toolchain.toml