docker

What problem does it solve?

Deploying applications consistently across different environments and managing dependencies can be a significant hurdle. This skill provides comprehensive guidance on Docker, enabling you to containerize applications, streamline development workflows, and simplify production deployments, ensuring "it works on my machine" translates everywhere.

Core Features & Use Cases

• Application Containerization: Package any application with its dependencies into isolated, portable containers.
• Docker Compose for Multi-Service Apps: Define and run multi-container applications (e.g., web app + database) with a single command.
• Optimized Builds & Security: Learn multi-stage builds, non-root users, and vulnerability scanning for production-ready images.
• Use Case: Set up a consistent development environment for a new microservice architecture, ensuring all team members run the same database, cache, and application versions without local conflicts.

Quick Start

1. Build your Docker image

docker build -t myapp:1.0 .

2. Run your container, mapping port 8080 on host to 3000 in container

docker run -d -p 8080:3000 --name myapp myapp:1.0

3. View container logs

docker logs -f myapp