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Hands-on courses and field notes covering Kubernetes, CI/CD, secrets, supply-chain security and cloud infrastructure. From beginner to advanced, with real commands, real scenarios and self-tests.

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~/secopslog — zsh

$ trivy image your-app:latest# Scan container images

$ cosign sign your-app:latest# Sign with Sigstore

$ kubectl apply -f pod-security.yaml# Enforce Pod Security

$ kube-bench run# Check Kubernetes security

$ falco -c /etc/falco/falco.yaml# Runtime threat detection

$ syft packages .# Generate SBOM

$ grype sbom:sbom.json# Scan for vulnerabilities

$ terraform plan# Infrastructure as code

$ checkov -d .# Scan IaC for misconfigurations

$ kubectl get pods -A# Debug workloads

Learn>Practice>Secure>Ship

58Courses 8Learning paths 937Hands-on lessons 63Field notesJul 11, 2026Last published

Popular learning paths

Structured, hands-on paths to take you from foundations to production.

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FlagshipDevSecOps Engineer~89 hours · 11 coursesThe full journey — Linux and containers, through Kubernetes, IaC, pipelines, and security. Start at the top.Start path Role pathKubernetes Specialist~51 hours · 7 coursesFrom your first pod to packaging, GitOps delivery, and hardening production clusters against real attackers.Start path PopularDevOps Engineer~80 hours · 11 coursesShip software end to end — Linux fluency, containers, orchestration, infrastructure as code, configuration management, and pipelines.Start path Infrastructure as Code, end to end~59 hours · 11 coursesProvision, wrap, gate with policy, ship via GitOps, and test — the whole IaC lifecycle.Start path

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Kubernetes13 posts Docker & containers7 posts CI/CD security17 posts Jenkins1 post GitLab3 posts GitHub Actions3 posts Terraform8 posts Ansible1 post Vault & secrets8 posts Linux9 posts Bash1 post Python1 post OpenShift1 post Cloud security4 posts Detection & SIEM4 posts Supply chain2 posts

Latest tutorials

Field notes with real commands, config and output.

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Trivy vs Grype: choosing a container image scannerBoth scanners read the same alpine:3.18.0 tar on the same morning. They agreed on 49 findings, split on 14 more and on seven severities, and exit differently; what that means for the gate.Jul 11, 202614 min readCI/CD Kubernetes network policies: default-deny, keep DNS upLock down pod-to-pod traffic with a default-deny NetworkPolicy, then re-allow DNS and the flows your apps actually need.Jul 3, 20266 min readKubernetes Multi-stage Docker builds that cut image size by 80%Split build tooling from the runtime so your final image ships only the binary and its deps — smaller, faster, safer.Jun 24, 20267 min readCI/CD Vault Kubernetes auth: secrets without static tokensLet pods authenticate to Vault with their service account token and get short-lived secrets — no bootstrap secret to leak.Jun 9, 20265 min readSecrets

Why SecOpsLog?

Practical. Accurate. Independent.

SecOpsLog is a free, independent library of DevSecOps tutorials, structured courses and field notes for the engineer who owns the deployment: platform and DevOps engineers, SREs, security engineers and developers who ship their own code. It covers the delivery pipeline from the Linux shell and container images through Kubernetes, CI/CD, secrets management and infrastructure as code, and every course section ends with a self-test.

Command-first approach

Every concept is backed by working examples: the exact command, the output to expect, and the failure it prevents.

Verified and up to date

Content is checked against official documentation and release notes, and updated when tools change behavior.

Built for real-world use

Hands-on labs, real scenarios and production-oriented guidance, with the trade-offs stated.

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