Docker 1.12 Introduction (Docker Meetup Cluj-Napoca)
•
0 likes•112 views
Docker 1.12 introduction, presentation from the official Docker Meetup in Cluj-Napoca, September 2016.
Recommended
More Related Content
What's hot
What's hot (20)
Similar to Docker 1.12 Introduction (Docker Meetup Cluj-Napoca)
Similar to Docker 1.12 Introduction (Docker Meetup Cluj-Napoca) (20)
Recently uploaded
Recently uploaded (20)
Docker 1.12 Introduction (Docker Meetup Cluj-Napoca)
- 2. DOCKER 1.12 INTRODUCTION WHAT’S NEW? ▸Docker Swarm Mode ▸Services ▸Distributed Application Bundles ▸Routing Mesh ▸Container Healthcheck ▸Plugins ▸Security out of the box
- 3. DOCKER 1.12 INTRODUCTION - SWARM MODE SWARM MODE $ docker swarm init $ docker swarm join <IP-OF-MANAGER>:2377 M W M W W W
- 4. DOCKER 1.12 INTRODUCTION - SERVICES SERVICES $ docker service create —name nginx —replicas 2 —network frontend nginx $ docker network create —driver overlay —subnet 10.0.100.0/24 frontend FRONTEND M W M W W W NGINX NGINX
- 5. DOCKER 1.12 INTRODUCTION - SERVICES NODE FAILURE FRONTEND M W M W W NGINX NGINX W NGINX
- 6. DOCKER 1.12 INTRODUCTION - SERVICES SERVICE SCALING FRONTEND M W M W W NGINX NGINX $ docker service scale nginx=4 NGINX NGINX
- 7. DOCKER 1.12 INTRODUCTION - SERVICES GLOBAL SERVICES FRONTEND M W M W W NGINX NGINX $ docker service create —name agent —mode=global agent:latest NGINX NGINX AG AG AG AGAG
- 8. DOCKER 1.12 INTRODUCTION - SERVICES SERVICE CONSTRAINTS FRONTEND M W M W W $ docker service create —name nginx —replicas 4 —network frontend —constraint com.example.storage=“ssd” nginx docker daemon —label com.example.storage=“ssd” NGINX NGINX NGINX NGINX
- 9. DOCKER 1.12 INTRODUCTION - DAB SERVICES WEB-APP WEB-APP.1 WEB-APP.2 WEB-APP.3 NGINX:LATEST CONTAINER NGINX:LATEST CONTAINER NGINX:LATEST CONTAINER SERVICE TASKS CONTAINERS
- 10. DOCKER 1.12 INTRODUCTION - DAB DISTRIBUTED APPLICATION BUNDLES WEB-APP WEB-APP.1 WEB-APP.2 WEB-APP.3 NGINX:LATEST NGINX:LATEST NGINX:LATEST SERVICE TASKS CONTAINERS STACK WEB-APP WEB-APP.1 WEB-APP.2 WEB-APP.3 NGINX:LATEST NGINX:LATEST NGINX:LATEST SERVICE TASKS CONTAINERS $ docker stack deploy <STACK>
- 11. DOCKER 1.12 INTRODUCTION - ROUTING MESH ROUTING MESH NGINX SERVICE NGINX SERVICE INGRESS NETWORK IPVS 1.1.1.1 IPVS 1.1.1.1 NGINX- CONTAINER 1.1.1.3 NGINX- CONTAINER 1.1.1.4 NGINX- CONTAINER 1.1.1.5 NGINX- CONTAINER 1.1.1.6 172.1.1.10172.1.2.10 port8080port8080EXTERNAL LOAD BALANCER
- 12. DOCKER 1.12 INTRODUCTION - HEALTH CHECKS CONTAINER HEALTH CHECK $ HEALTHCHECK --interval=5m —timeout=3s --retries 3 CMD curl -f http://localhost/ || exit 1 ▸ Checks every 5 minutes if the localhost web server returns the index page within 3 seconds ▸ Container is considered unhealthy after 3 consecutive failures
- 13. DOCKER 1.12 INTRODUCTION - PLUGINS PLUGINS $ docker plugin install tiborvass/no-remove $ docker plugin enable no-remove $ docker plugin disable no-remove $ docker plugin install tiborvass/no-remove Plugin “tiborvass/no-remove:latest” requested the following privileges: - Networking: host - Mounting host path: /data Do you grant the above permissions? [y / N]
- 14. DOCKER 1.12 INTRODUCTION - SECURITY SECURITY ▸ End-to-end encryption between managers and workers ▸ There is no “insecure” ▸ Automatic Encryption and mutual authentication (TLS) ▸ Certificate Rotation ▸ External CA Integration
- 15. Q & A alex.vranceanu@accesa.eu DOCKER 1.12 INTRODUCTION