wsargent/docker-cheat-sheet
Docker Cheat Sheet
This project is an administrative reference for Docker, providing guides and command references for system maintenance, image building, network configuration, and security hardening. It serves as a comprehensive manual for managing the container lifecycle and performing general system administration.
The reference covers the construction and optimization of images through build files, layering strategies, and registry integration. It also provides instructions for configuring isolated virtual networks, mapping ports, and implementing security hardening using Linux capabilities and read-only filesystems.
Additional guidance is provided for container management, storage administration, and resource optimization. This includes techniques for limiting CPU and memory usage, analyzing disk consumption, and managing persistent volumes or bidirectional file transfers.
Features
- Container Lifecycle Administration - Serves as a comprehensive guide for managing the full lifecycle of Docker containers.
- Persistent Storage Volumes - Provides guidance on creating and managing named volumes and host-mapped directories for data persistence.
- Container Lifecycle Management - Covers the essential lifecycle of containers, including creation, starting, stopping, and deletion.
- Docker Image Building - Provides detailed instructions on building and optimizing images using configuration files and layering strategies.
- Container Image Optimizers - Provides techniques for reducing image storage footprints by cleaning caches and flattening layers during build.
- Container Port Mappings - Explains how to map container ports to the host machine network interface for external service accessibility.
- Docker Learning Resources - Acts as a primary educational and administrative reference for Docker system maintenance and resource monitoring.
- Network Virtualization Tools - Guides the creation and management of isolated virtual networks to enable secure communication and service discovery.
- Command Line References - Provides a comprehensive collection of essential Docker commands for managing containers, images, networks, and volumes.
- Container Networking Configurations - Explains how to set up isolated virtual networks and map ports for external traffic communication.
- Container Security Hardening - Covers security hardening using Linux capabilities, read-only filesystems, and non-root users to reduce attack surface.
- Container Storage Administration - Guides the management of Docker volumes and bind mounts and the process of reclaiming disk space.
- Container Image Storage - Provides methods for saving images to tar files and removing unused images to reclaim space.
- Interactive Debugging Shells - Provides guides for running interactive shells inside containers for maintenance and debugging.
- Image Layering Strategies - Covers the definition of base images, environment variables, and working directories using structured build scripts.
- System Resource Reclamation - Offers instructions for reclaiming host disk space by removing dangling images, stopped containers, and orphaned volumes.
- Image Registry Clients - Covers authentication, searching, pulling, and pushing images to remote registries.
- Multi-Container Orchestration - Provides a reference for coordinating complex applications with multiple services using single configuration files.
- Linux Capability Management - Explains how to add or drop specific kernel privileges to prevent unauthorized process escalation.
- Linux Security Hardening - Provides a manual for hardening environments using Linux capabilities and read-only filesystems.
- Container File Transfers - Explains how to copy files and folders bidirectionally between the local filesystem and containers.
- Container Resource Constraints - Offers techniques for limiting CPU and memory usage to protect host systems from resource exhaustion.
- Container State Inspection - Provides guidance on inspecting real-time logs, resource statistics, and configuration metadata for running containers.
- Disk Usage Analyzers - Offers instructions for analyzing total disk space consumed by images, containers, and volumes to identify bottlenecks.
- System Resource Constraints - Details the configuration of memory limits and shares to prevent containers from exhausting host resources.
- Resource Usage Restrictions - Provides methods for restricting CPU usage by percentage or specific cores to ensure host system stability.
- Cloud and Containers - Quick reference guide for common Docker commands.
- DevOps and Infrastructure - Quick reference for Docker commands.
- Infrastructure and Operations - Quick reference for container management commands.
- Infrastructure and Platforms - Quick reference for Docker commands and workflows.
- Deployment and DevOps - Quick reference guide for Docker commands.
- DevOps and Infrastructure Guides - Quick reference guide for Docker commands.
- Reference Materials - Quick reference guide for common commands.
- Technical Cheatsheets - Docker command and workflow reference.
- Penetration Testing Toolkits - A cheat sheet for Docker security and management.
- Security Cheat Sheets - Reference guide for securing and managing containerized environments.
