Docker Overview
Nairi_Harutyunyan
nairi.haroutiounian@gmail.com
@nairihar
Backend Engineer at screenful.com
#nodejsarmenia
Intro
Basics
Compose
Swarm
*How Docker helped us
What is the Problem?
Node Server V9
ffmpeg 2.5
C++ 14
...
ffmpeg 2.8
C++ 17
...
Node Server V11
Solution: Containers
What is Docker?
Registry
Client-CLI
Server-daemon
Containers
Images
docker builddocker pushdocker pulldocker runHow Docker works?
Docker
Linux Kernel
Containers
Node
Python
Redis
bins/libs
bins/libs
bins/libs
cgroups
namespaces
etc ...
Virtual Machine
What is Compose?
Node API Server
Redis
Admin Server
Replica 2
Private Network
Python Core Server
Python Core Server
Replica 1
UI Server
What is Swarm?
Server 2
Server 3
Server 1
Server 4
192.168.10.2
192.168.10.3
192.168.10.1
192.168.10.4
*Manager
Worker
Worker
Worker