Overview
Snyk finds and fixes vulnerabilities in open-source dependencies, container images, IaC configs, and code. Integrates into CLI, CI/CD, Git repos, and IDEs.
Instructions
Step 1: Setup
bash
npm install -g snyk
snyk auth
Step 2: Scan Dependencies
bash
snyk test # test for vulnerabilities
snyk monitor # continuous monitoring
snyk fix # auto-fix vulnerabilities
Step 3: Container Scanning
bash
snyk container test node:20-alpine
snyk container test my-app:latest --file=Dockerfile
Step 4: IaC Scanning
bash
snyk iac test # scan Terraform, K8s manifests
snyk iac test --report # upload to dashboard
Guidelines
- Free tier: 200 dependency tests/month, unlimited container tests.
- Use
--severity-threshold=highin CI to fail only on critical issues. snyk fixauto-generates PRs with dependency upgrades.- Alternatives: npm audit (basic), GitHub Dependabot (free), Socket.dev (supply chain).