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Container Fundamentals
images versus containers docker run container lifecycle foreground mode detached mode container logs docker exec docker inspect container naming automatic removal
Dockerfiles
FROM RUN COPY ADD WORKDIR ENV ARG CMD ENTRYPOINT EXPOSE
Image Builds
build context .dockerignore layer caching image tagging image history multi-stage builds minimal base images BuildKit secrets build cache mounts platform builds
Storage
named volumes bind mounts tmpfs mounts volume lifecycle volume inspect read-only mounts backup volume data restore volume data filesystem permissions storage drivers
Networking
bridge network host network none network custom network container DNS published ports port binding address network aliases network isolation network inspect
Compose
compose services compose build compose environment compose env_file compose depends_on compose healthcheck compose networks compose volumes compose profiles compose override files
Security & Resources
rootless mode user directive Linux capabilities no-new-privileges read-only filesystem secrets CPU limits memory limits PID limits vulnerability scanning
Operations
registry login push and pull image digests private registry restart policies health checks docker stats logging drivers prune resources graceful stop
Docker & Containerization / Container Fundamentals

images versus containers

Learn images versus containers in Docker & Containerization with a dedicated explanation, a topic-specific example, edge guidance, and a mastery check.

12 min read • Beginner
docker-001.sh
shell 
docker image inspect nginx:alpine
docker run --name web-demo nginx:alpine
docker container inspect web-demo
What to watch
Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

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docker run