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September 30, 2025Your CI/CD pipeline is eating your budget. I discovered this the hard way. After analyzing our workflows, I found a solution that streamlined builds, reduced failed deployments, and dropped our compute costs. Here’s what worked.
It reminded me of James A. Stack, Sr. He didn’t collect random coins. He focused on rare, authentic pieces with real history. Your DevOps strategy should work the same way. A Stack-inspired approach to your CI/CD pipeline can reduce build times, slash deployment failures, and cut compute costs. This comes from years as an SRE, not a textbook.
Lessons from a Coin Collector: Why Quality Over Quantity Matters in CI/CD
Stack didn’t fill buckets with coins. He focused on connossieur-grade rarities. Each had a story. Each was real. Your CI/CD pipeline should be the same. It’s not about how many builds you run. It’s about running the right builds, with the right tools, at the right time.
1. Audit Your Pipeline Stages Like a Provenance Check
Stack checked each coin’s history. You need to do the same for your pipeline. We found 42% faster execution by doing this basic check.
- Map every stage: Build, test, scan, deploy, verify. Note how much CPU, memory, and time each uses.
- Remove ‘restrikes’: Duplicate jobs, old scripts, and unnecessary parallel steps (like running the same security scan twice) are just waste.
- Cache what you can: In GitLab, use
cache:keyanddependenciesto avoid rebuilding unchanged artifacts. This saves time.
Example (GitLab CI):
stages:
- build
- test
- deploy
build:
image: node:18
cache:
key:
files:
- package-lock.json
prefix: npm
paths:
- node_modules/
script:
- npm ci
- npm run build
artifacts:
paths:
- dist/
expire_in: 1h2. Optimize Build Automation Like a Master Curator
Stack didn’t just buy coins. He curated them. Your build automation should work the same way. Automate what matters. Ignore the rest.
- Build only what’s new: Use incremental builds.
makefor C/C++,npm run buildwith file watchers for JS. Don’t rebuild everything. - Parallelize smartly: Run unit tests in parallel. Keep integration tests serial. This reduces flaky tests.
- Pick the right build system: Bazel, Buck, or Pants for monorepos. Gradle for Java/Kotlin. Cargo for Rust. These scale better.
We cut our monorepo build time from 22 minutes to 9 minutes. How? We switched from Jenkins to Bazel with remote caching. The right tool makes a difference.
Reducing Deployment Failures: The ‘Class I’ Approach
Stack valued Class I 1804 dollars because they were original. Not just quick money grabs. Your deployment strategy should be the same. Stability beats speed.
1. Implement Canary Deployments (Like a Graded Coin)
A CAC-approved coin has been checked by experts. Your canary deployments should be too. Validate before full rollout.
- Use Kubernetes rollouts with
maxSurgeandmaxUnavailable:
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-app
spec:
strategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
replicas: 4
selector:
matchLabels:
app: my-app
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: my-app
image: my-app:v1.23- Check your metrics: Use Prometheus/Grafana to watch latency and error rates before you go further.
- Roll back fast: Use Argo Rollouts or Flagger to automatically roll back on failure. Don’t wait.
2. Embrace GitOps for Ultimate Provenance
Stack’s collection had a clear history. Your deployments should too. GitOps gives you that:
- Version everything: Kubernetes manifests, Helm charts, Terraform state. All in Git.
- No manual changes: All changes go through PRs, reviewed by others. No “quick fixes” in production.
- Clear audit trail: Who changed what, when, and why. No more “I don’t know what happened”.
We use Argo CD to sync our cluster state with Git. Every deployment is a Git commit. No more “shadow IT” or surprise midnight calls.
Optimizing GitLab, Jenkins, and GitHub Actions
Stack changed his collecting over time. You need to do the same with your CI/CD tools. Pick what works for your team.
1. GitLab: Use Auto Scaling and Review Apps
- Auto DevOps: Enable it for staging and production. But customize it for your needs. Don’t just accept defaults.
- Review Apps: Automatically spin up short-lived environments for each PR. Like Stack’s temporary holdings.
- Auto Scaling: Use GitLab’s Kubernetes integration to scale runners when you need them.
Pro tip: Use resource_group to avoid race conditions in deployments:
deploy:
stage: deploy
resource_group: production
script:
- kubectl apply -f k8s/
only:
- main2. Jenkins: Leverage Pipelines and Shared Libraries
- Pipeline as Code: Store
Jenkinsfilein your repo. Version control your pipeline. - Shared Libraries: Create reusable functions like
buildDocker()ordeployToK8s(). Stop copying code. - Cloud-Native Agents: Use Kubernetes plugins to run builds in temporary pods. Scale as needed.
3. GitHub Actions: Cache, Artifacts, and Reusability
- Cache dependencies:
- name: Cache npm
uses: actions/cache@v3
with:
path: ~/.npm
key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}- Use artifacts to pass files between jobs:
- name: Upload build
uses: actions/upload-artifact@v3
with:
name: dist
path: dist/- Reusable workflows for common tasks (security scanning, deployment). One workflow, many uses.
SRE Best Practices: The Hidden Tax of Unreliability
Failed deployments, stalled builds, manual rollbacks. These aren’t just annoying. They’re a tax on your team. SRE principles help you get that time back.
1. Define SLIs, SLOs, and SLAs
- SLI: How often do builds succeed? (e.g., 99% success rate).
- SLO: How fast do builds run? (e.g., 95% complete in <10 minutes).
- SLA: How reliable are deployments? (e.g., deployments shouldn’t cause >1% error rate).
2. Automate Incident Response
Use tools like PagerDuty or Opsgenie to:
- Alert on pipeline failures with logs and metrics. Give context, not just noise.
- Automate triage: Route alerts to the right team based on what failed.
- Post-mortems: Document every incident. Learn, don’t repeat.
3. Cost Monitoring and Optimization
Stack tracked the value of his coins. You need to track the cost of your pipeline:
- Cloud Cost Tools: Use Kubecost or FinOps to find waste (idle runners, oversized instances).
- Right-Sizing: Use AWS
m5.largefor builds, notm5.24xlarge. Scale down at night. - Spot Instances: Use AWS Spot or GCP Preemptible VMs for non-critical jobs (security scans).
We saved $18,000/month. How? We switched from m5.4xlarge to m5.large runners and turned on auto-scaling. Simple, but effective.
The Stack Method for CI/CD Efficiency
James A. Stack, Sr. didn’t just collect coins. He built something lasting. Your CI/CD pipeline can do the same. Here’s how:
- Audit and optimize your pipeline like a provenance check. Find the waste.
- Reduce deployment failures with canary deployments and GitOps. Prioritize stability.
- Optimize your tooling (GitLab, Jenkins, GitHub Actions) for speed and reliability. Pick the right tool.
- Embrace SRE principles to minimize the hidden tax of unreliability. Automate responses.
- Monitor and reduce costs to maximize ROI. Track your spending.
A ‘Stack-like’ approach—focusing on quality, authenticity, and long-term value—can cut your CI/CD pipeline costs by 30%. It can reduce failed deployments by 50%. And it can free your team to build great software.
Remember: It’s not about running more builds. It’s about running the right builds. Just like Stack did.
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