All the goodies in one crunchy basketKubernetes, PostgreSQL and state full sets
Log based metrics and alerts are the poor developer's application metrics workaround.
Ultimately the App should report metrics directly to your monitoring infrastructure..
Sweet new features!
- Clusters can span regions and cloud providers (AWS, GCP)
- Setup of clusters in just 3 commands including the overlay (internal) network
- Simple Kubernetes Installation using simple yum/apt-get or simply run from the GCP platform (soon)
- Single VIP points to a load balancer that can forward traffic to federated cluster nodes across regions
I remember how I felt years ago, when I had the first couple of Linux and Windows Virtual machines running in the lab. It was a great sense of freedom, from hardware limitations, from lost time and productivity. It was real Magic.
Then about 2 years ago, when Docker started its journey, it almost felt like black magic. The speed, the embedded versioning, the Freedom from the Operating system cage…
Looking at the new opportunities and energy at the recent DockerCon EU (2015), feels like a visit to Harry Potter's Hogwarts castle. Anyway, enough with the story, let's dig into some tech bits:
- Impressive focus on security, quality,scalability and stability (See the Keynote as well as this session)
- Docker Trusted Registry – Easy signing of your code using UBkey stick (a bit later AWS launched its own Docker registry service..)
- Remote revocation of signed code in case of compromise
- Nautilus- Automatic vulnerability scan of code that is uploaded into Dockerhub
- Internal Dockerhub on premise option including the secure code signing and Nautilus features
- Swarm cluster scales from 10 to 1000 nodes running 50,000 containers without any hiccups!
- Docker Universal Control plane – the dashboard for managing your docker swarm as well as on-the-fly secret data insertion and rotation, On-The-Fly insertion of specific Docker images across Swarm nodes.
- Docker Remote API that allows remote CLI, remote Compose and Docker Swarm
- Docker compose now
- Includes the network overlay system that automatically allows containers to find each other and applications merely call hostnames without worrying about name resolution
- Allows you to assign volumes to specific containers, which allows mixing of both persistent and non-persistent applications
- Started supporting seccomp for more granular Docker permissions as well as user namespaces which allows a process inside a container to "believe" it is running as root, while in fact it's not
- Docker monitoring resources
- Docker tools
- Docker Bridge: Interlock, Registrator
- Service Registry: etcd, consul, zookeeper
- Template: Interlock, confd, consul-template
- Reverse Proxy: HAProxy, NGINX, Traefik
- Docker sidekicks – special containers that provide Service Discovery, HealthChecks and orchestration through a REST API. Examples include Amazon ECS Agents, AWS Beanstalk, COREOS, Docker Ambassador
- DCOS – The DataCenter Operating System – The Mesosphere Datacenter Operating System (DCOS) is a new kind of operating system that spans all of the machines in your datacenter or cloud. It provides a highly elastic, and highly scalable way of deploying applications, services and big data infrastructure on shared resources including AWS, GCP, Azure.
- Docker for Windows
- Will not run Linux images
- Same code base as Docker for Linux
- Requires Windows Server 2016
- Includes an abstraction layer between Docker and the Windows Kernel
- The Docker C:\Windows maps to \Global?\C:\Windows
- Contains all Windows device entry points including C: and \Registry, \Device\TCP
- Each container has its own "chrooted" devices
- File system is hybrid of UnionFS and NTFS: Virtual Block Device + NTFS partition per container Symlinks to layers on host FS
- Sundial – Rides on top of AWS ECS (Docker on AWS) and offers aggregation of Docker JOBS / ECS into processes with dependency tree graphical representation and central logging and control
- Great sessions you should NOT miss