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Certificate courseSoftware DevelopmentIntermediate
Docker & CI/CD for Developers
Package apps in containers, run them locally like production, and ship them through automated pipelines with safe deployment and rollback.
About 1 h of reading, plus practice5 modules · 25 quiz questions · final exam
Skills you'll learn
What you'll be able to do
- Explain containers, images and layers and how they differ from VMs
- Write small, secure, cache-friendly Dockerfiles with multi-stage builds
- Run a full local stack with Docker Compose, volumes and health checks
- Build CI pipelines that test, build and publish on every change
- Deploy with rolling, blue-green or canary releases and roll back quickly
Syllabus
- 1
Containers, images and layers
5 min5-question quiz- What a container really is
- Images and layers
- Registries, tags and digests
- The everyday commands
- Containers should be cattle, not pets
- Where containers run
- Summary
- 2
Writing production-grade Dockerfiles
5 min5-question quiz- A first, naive Dockerfile
- Order instructions for the cache
- .dockerignore
- Multi-stage builds
- Choosing a base image
- Security essentials
- CMD, ENTRYPOINT and signals
- Other useful instructions
- Check your result
- Summary
- 3
Local environments with Docker Compose
4 min5-question quiz- A compose file
- Networking: service names are hostnames
- Volumes and bind mounts
- Startup order and health checks
- Configuration and environments
- Resource limits and restart policies
- Debugging a misbehaving container
- Summary
- 4
Continuous integration pipelines
5 min5-question quiz- What a pipeline does
- GitHub Actions
- Speed matters
- Secrets in CI
- Flaky tests and quality gates
- Build once, promote everywhere
- Summary
- 5
Deploying and running in production
6 min5-question quiz- Deployment strategies
- Deploys and releases are different things
- Database changes during deploys
- Configuration: the twelve-factor way
- Health, readiness and graceful shutdown
- Observability after a deploy
- Rollback and incidents
- The DORA metrics
- Summary
- ★Final exam & certificate15 questions · 30 minutes · 70% to pass · 3 tries
Your certificate
HireSol certified in Docker & CI/CD for Developers
Signed by HireSol and verifiable online with its own ID. Download it as a PDF, add it to LinkedIn in one click, and it shows on your HireSol profile to companies.
Questions
- Who is this course for?
- College students, freshers and anyone switching careers who wants a job-ready grounding in Docker & CI/CD for Developers. It's an intermediate course; every module explains the ideas with worked examples from real jobs.
- Is the course online and self-paced?
- Yes. It's fully online: about 1 hours of reading across 5 modules, on your phone or laptop, whenever it suits you.
- How do I get the certificate?
- Pass the quiz at the end of each module (70% or more), then the final exam: 15 questions drawn from a larger pool, 30 minutes, 70% to pass, 3 tries. Your certificate is issued the moment you pass.
- Can recruiters check that my certificate is real?
- Yes. Every certificate has its own page on hiresol.cloud with an ID and a digital signature from HireSol, so anyone can verify your name, the course, your score and the date.
- What happens if I fail the final exam?
- You have 3 tries, with new questions each time. If all 3 miss the mark, the course locks and you can unlock it again to start over.