Skip to main content
DevOps & Cloud

Containerization with Docker

Package your applications into portable, reproducible Docker containers — consistent environments from development through production.

All services

Build once, run anywhere

Containerization eliminates 'works on my machine' problems by packaging your application with all its dependencies into a single portable unit. LesterTechLabs containerizes existing applications and designs Docker workflows for new projects — multi-stage builds for smaller images, Docker Compose for local development, and private registry setup for production pipelines.

What we deliver

Core capabilities included in every containerization engagement.

Dockerfile optimization

Multi-stage builds, layer caching, and minimal production images.

Docker Compose

Local development stacks with app, database, Redis, and workers.

Private registry

ECR, Docker Hub, or GitHub Container Registry setup and CI integration.

Legacy app containerization

Wrap monoliths and legacy apps without full rewrites.

Key benefits

  • Identical environments across dev, staging, and production
  • Faster onboarding — new developers run `docker compose up` and start coding
  • Smaller attack surface with minimal production images
  • Ready for Kubernetes or cloud deployment when you scale

Why LesterTechLabs

  • Optimized Images

    Multi-stage builds for minimal, secure production containers.

  • Dev Parity

    Docker Compose gives every developer an identical local stack.

  • CI Integrated

    Automated image builds and pushes on every merge.

Our process

A proven delivery framework from kickoff to production.

  1. 01

    Application audit

    Map dependencies, runtime requirements, and build steps.

  2. 02

    Dockerfile & Compose

    Write optimized Dockerfiles and local development compose files.

  3. 03

    Registry & CI

    Set up image registry and automated build pipelines.

  4. 04

    Deploy & validate

    Deploy containers to cloud or Kubernetes and verify production behavior.

Technologies we use

Modern, battle-tested stacks for production workloads.

Docker Docker Compose AWS GitHub Actions Kubernetes Nginx PostgreSQL

Related services

Other devops & cloud offerings you may need.

Cloud Migration

Move from on-premise to cloud with confidence. Phased migration strategies that minimize downtime, control costs, and unlock scalability.

Learn more

Cloud Deployment

Deploy your applications to AWS, Azure, or GCP with production-grade configuration — auto-scaling, SSL, load balancing, and monitoring from day one.

Learn more

Infrastructure Management

Focus on building products while we manage your cloud infrastructure — monitoring, patching, scaling, backups, and incident response included.

Learn more

Frequently asked questions

Common questions about containerization.

Do we need Kubernetes if we use Docker?

Not necessarily. Docker containers can run on cloud VMs, ECS, or Lester PaaS. Kubernetes adds orchestration for teams running many containers at scale — we help you choose the right level.

Can you containerize our legacy monolith?

Yes. We containerize monolithic applications as a first step toward modernization — no full rewrite required. This often precedes a phased migration to microservices.

How much smaller can optimized Docker images get?

Multi-stage builds typically reduce image size by 60–80% compared to naive Dockerfiles — faster deploys, lower storage costs, and smaller attack surface.

DevOps & Cloud

Ready for Containerization?

Tell us about your project and we'll provide a tailored proposal within 48 hours.

View portfolio
  • Free estimate · reply in 1 business day
  • Production delivery · remote-first
  • M-Pesa, cloud, and AI ready

Next step

Start your project

  1. 1 Tell us about your goals
  2. 2 Get a tailored proposal
  3. 3 Ship with LesterTechLabs
hello@lestertechlabs.com Or visit the contact page