Learn DOCKERFILE with Real Code Examples

Install Docker Engine (Linux, Windows, Mac)

Install Docker CLI for building and running images

Optionally install Docker Compose for multi-container apps

Configure user permissions to run Docker without sudo

Ensure proper network and volume setup for container use

Install Docker Engine (Linux, Mac, Windows)

Install Docker CLI

Configure permissions and networking

Optionally install Docker Compose

Verify Docker daemon is running

Dockerfile - main build instructions

.dockerignore - exclude files from build context

docker-compose.yaml - multi-container orchestration

environment variable files (.env)

Optional scripts for entrypoints or initialization

docker build -t image_name .

docker run -d -p host:container image_name

docker ps / docker ps -a

docker logs <container_id>

docker stop / docker rm <container_id>

Supports UTF-8 filenames and environment variables

Cross-platform line endings handled automatically

Base images can be localized (language packs)

Logging and output can include localized text

Multi-architecture support (x86, ARM)

Accessible via CLI and GUI

Keyboard-driven commands supported

IDE syntax highlighting improves readability

Docker Desktop provides visual overview

Portable across systems supporting Docker

Not applicable; text-based build configuration

Optional: Visual Dockerfile editors in IDEs

Syntax highlighting in editors

Graphical visualization in Docker Desktop

Layer inspection via GUI tools

Volumes for persistent data

Bind mounts for host-directory access

Container restart policies

Image tagging for version control

Container logs and monitoring

COPY / ADD instructions to include files

ENV and ARG for configuration

Volumes for persistent storage

Secrets and sensitive configs handled externally

Database or stateful container persistence via volumes