Mahesh Rijal
Maheshrjl's Blog

Maheshrjl's Blog

Containerizationand all the Terminology

Some common terms related to containerization and other similar technologies

Mahesh Rijal
ยทAug 10, 2022ยท
Containerizationand all the Terminology

These are mostly notes for personal reference. Suggested read: Infrastrucure as Code terminologies.

  • Immutable: Immutable means that a container won't be modified during its life: no updates, no patches, no configuration changes.

  • Ephemeral: Temporary i.e. The container can be stopped and destroyed, then rebuilt and replaced with an absolute minimum set up and configuration very quickly.

  • Immutable: Containers are not changed once they are running, they are re-deployed for any config change

  • Seperation of Concerns: Contianer shouldn't contain unique data mixed in with application bianaries

  • Persistence: Data present on writable-layer(container) gets wiped out when that container no longer exists

Docker does not persist any data by default, read more about storage and data persistence.

  • docker-compose: A CLI tool used for local dev/test automation with YAML files for docker

    A docker compose file has versioning

๐Ÿ‘‹ Thanks for reading!