Glossary & Docker Commands¶
Glossary¶
- CNM (Container Networking Model) — Docker's pluggable networking model supporting multiple drivers.
- Overlay Network — A network enabling communication between containers across different hosts.
- Volume — Persistent storage mechanism for Docker containers.
- Registry — A service to store and distribute Docker images (e.g., Docker Hub, GCR).
- Tag — Label assigned to an image version, e.g.,
myapp:1.0.0. - Trivy — Open-source vulnerability scanner for container images.
- Kaniko — Tool to build container images without requiring Docker daemon or root privileges.
- Buildpacks — Frameworks for building container images directly from application source code.
- Docker Compose — Tool for defining and running multi-container Docker applications.
- CI/CD — Continuous Integration and Continuous Deployment for automated application delivery.
Common Docker Commands Cheat Sheet¶
| Command | Description |
|---|---|
docker network ls |
List all Docker networks |
docker network create mynet |
Create a custom network |
docker volume create myvol |
Create a named volume |
docker run -v myvol:/data busybox |
Mount volume inside a container |
docker tag image user/image:1.0 |
Add a tag to an image |
docker push user/image:1.0 |
Push image to Docker registry |
docker-compose up |
Start all services defined in docker-compose.yml |
docker-compose down |
Stop and remove containers, networks, volumes |
docker build -t myimage:latest . |
Build an image from Dockerfile |
trivy image myimage:latest |
Scan image for vulnerabilities (Trivy) |