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| en:dev:env:docker [2019/02/04 19:50] – alexejsailer | en:dev:env:docker [2019/02/04 19:57] – alexejsailer | ||
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| ===== Architectural Facts ===== | ===== Architectural Facts ===== | ||
| LXC -> libcontainer | LXC -> libcontainer | ||
| - | {{ https:// | ||
| * Operating System Level Virtualization (no Hypervisor) | * Operating System Level Virtualization (no Hypervisor) | ||
| Line 32: | Line 31: | ||
| * Similar implementations | * Similar implementations | ||
| * rkt, FreeBSD Jail, OpenVZ, system-nspawn | * rkt, FreeBSD Jail, OpenVZ, system-nspawn | ||
| + | |||
| + | {{https:// | ||
| Picture License: Public Domain | Picture License: Public Domain | ||
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| ===== Deployment Facts ===== | ===== Deployment Facts ===== | ||
| OS manages everything | OS manages everything | ||
| - | {{ : | ||
| * a container is an isolation by defining limits through kernel features | * a container is an isolation by defining limits through kernel features | ||
| * Namespaces | * Namespaces | ||
| Line 50: | Line 50: | ||
| * a container feels like a VM but exists only due to an isolation mechanism provided by the OS | * a container feels like a VM but exists only due to an isolation mechanism provided by the OS | ||
| - | ===== Components ===== | + | {{: |
| + | ===== Components | ||
| Docker as an abstraction layer | Docker as an abstraction layer | ||
| - | {{ : | + | |
| * Software | * Software | ||
| * Docker daemon | * Docker daemon | ||
| Line 68: | Line 69: | ||
| * Platform independent Container Specification | * Platform independent Container Specification | ||
| - | ==== Components ==== | + | {{: |
| + | ===== Components | ||
| Docker Images and Containers | Docker Images and Containers | ||
| - | {{ : | + | |
| * Images | * Images | ||
| * built up from a series of layers | * built up from a series of layers | ||
| Line 84: | Line 86: | ||
| * versioning is easy to implement | * versioning is easy to implement | ||
| - | ==== Components ==== | + | {{: |
| + | ===== Components | ||
| Docker Volumes | Docker Volumes | ||
| - | {{ : | + | |
| * Volumes | * Volumes | ||
| * define a volume which will be available in a container as folder | * define a volume which will be available in a container as folder | ||
| Line 102: | Line 105: | ||
| * no sharing, only on linux | * no sharing, only on linux | ||
| - | ==== Components ==== | + | {{: |
| + | ===== Components | ||
| Registry and Services | Registry and Services | ||
| Line 115: | Line 119: | ||
| * Scale containers across Docker daemons, swarm | * Scale containers across Docker daemons, swarm | ||
| - | ==== Tools ==== | + | ===== Tools ===== |
| Used to interact with Docker daemon | Used to interact with Docker daemon | ||