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docker-deployer

@Rehan-Ul-Haq/my-skills
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SKILL.md

name docker-deployer
description Automates Docker containerization and deployment for applications. This skill should be used when users want to containerize applications, set up CI/CD pipelines, or deploy to container platforms.

Docker Deployer

Automate containerization and deployment with production-grade Docker practices.

What This Skill Does

  • Creates optimized Dockerfiles for different languages/frameworks
  • Generates docker-compose for local development
  • Sets up CI/CD pipeline configuration
  • Deploys to container platforms (ECS, GKE, etc.)

What This Skill Does NOT Do

  • Manage Kubernetes clusters (use k8s-specific tools)
  • Handle secrets management (use Vault, AWS Secrets Manager)
  • Monitor running containers (use observability tools)

Before Implementation

Source Gather
Codebase Language, framework, dependencies, ports
Conversation Target platform, CI/CD system, environment needs
Skill References Optimization patterns from references/

Required Clarifications

Clarification Why
Language/Framework Determines base image and build steps
Target platform ECS vs GKE vs self-hosted affects config
CI/CD system GitHub Actions vs GitLab CI vs Jenkins
Environment count Dev/staging/prod affects compose setup

Deployment Workflow

1. Analyze → 2. Dockerfile → 3. Compose → 4. CI/CD → 5. Deploy Config

1. Analyze Application

Determine:

  • Runtime requirements
  • Build dependencies vs runtime dependencies
  • Exposed ports
  • Environment variables needed

2. Generate Dockerfile

Use multi-stage builds. Run scripts/generate_dockerfile.py.

See references/dockerfile-patterns.md for optimization.

3. Generate docker-compose

For local development with dependencies (database, cache).

4. CI/CD Pipeline

Generate based on platform:

  • GitHub Actions: .github/workflows/deploy.yml
  • GitLab CI: .gitlab-ci.yml

5. Platform Config

Generate deployment configuration for target platform.

Pre-Delivery Checklist

  • Multi-stage build used (smaller image)
  • Non-root user configured
  • .dockerignore created
  • Health check defined
  • No secrets in image
  • CI/CD tests before deploy

Reference Files

File Use When
references/dockerfile-patterns.md Optimizing Dockerfiles
references/security.md Container security practices
references/ci-cd-templates.md Pipeline configurations