“Containerizing” applications with Docker: Ecosystem and Tools
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The document discusses containerization of applications including building microservice applications with containers, container ecosystems and tools, building images, operating systems, storage and backup, networking, security, clustering and scheduling, dynamic services, monitoring and logging, and provisioning and configuration management. It provides information on various Docker tools and third party tools that can be used for containerization.
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“Containerizing” applications with Docker: Ecosystem and Tools
- 1. The Enterprise Software & Support CompanyThe Enterprise Software & Support Company “Containerizing” Applications: Ecosystem and Tools #OpenExpo2016 info@hoplasoftware.com
- 2. ● Javier Ramírez Urea Senior Consultant Dockerized at HoplaSoftware jramirez@hoplasoftware.com frjaraur hopla-training
- 3. “Containerizing” Applications: Ecosystem and Tools ● Building Microservice Applications with Containers ● Container’s Ecosystem ● Building Images ● Operating Systems ● Storage & Backup ● Networking ● Security ● Clustering & Scheduling ● Dynamic Services ● Monitoring & Logging ● Provisioning & Configuration Management
- 4. Building Microservice Applications with Containers
- 5. Use the Force Luke!!!
- 6. Building Images • Smaller is better • Expose only what is really needed • Don’t daemonize, unless required.
- 7. Operating Systems • Host Nodes • Well known supported OSes • “Container Specific Deployers” • Containers
- 8. Storage & Backup • Storage Ephemeral Storage or Persistent Storage ✔ Runtime ✔ Configuration ✔ Data ✔ Multihost • Backup/Restore/Snapshot
- 9. Networking • Docker Standard Drivers: • None • Host • Container • Bridge • Overlay • Linking between containers • Macvlan and Ipvlan Network Drivers (beta) • Extending the daemon with plugins
- 10. Security • Daemon • socket • TLS • Containers • Namespaces • Control groups • Linux kernel capabilities • Hardened Kernel • Linux Security Modules • Images • Use Trusted Images • Manage Dockerfiles and Image Components vulnerabilities
- 11. Clustering & Scheduling • Swarm • Fleet • Kubernetes • Mesos
- 12. Dynamic Services • Consumer, Proxy and Provider model. • Key/Value Store Backends • Zookeeper • Etcd • Consul • Registration • Registrator • Dynamic Configuration • Confd • Consul Template • Process Control • Supervisord
- 13. Monitoring & Logging • Statistics • Online • Capacity Planning • Container’s Health vs Service’s Health • Logging • Engine vs Container • Use /dev/stdout and /dev/stderr on container.
- 14. Provisioning & Configuration Management • Convergency • Inmutable Infrastructure
- 15. Unix Zen Write programs that do one thing and do it well Write programs to work together - Peter H. Salus -
- 16. Conclusions • Do we really need just “The Holy Grail Tool”? • Or a set of tools that best match our environment
- 17. Conclusions • Get close to Open Container Initiative
- 19. References • Docker Docs - https://docs.docker.com/ • Operating Systems • Alpine Docker Containers Examples - https://github.com/smebberson/docker-alpine • Storage • Flocker - https://clusterhq.com/flocker • Convoy - https://github.com/rancher/convoy • Contiv - https://github.com/contiv/volplugin • Netshare - http://netshare.containx.io • NetApp - https://github.com/NetApp/netappdvp • Networking • Docker Macvlan and Ipvlan - https://github.com/docker/docker/blob/master/experimental/vlan-networks.md • Contiv - https://github.com/contiv/netplugin • Weaveworks - https://github.com/weaveworks • Openvswitch - https://github.com/openvswitch/ovs/blob/master/INSTALL.Docker.md
- 20. References • Security Vulnerabilities Scanning • Clair - https://github.com/coreos/clair • Nautilus aka. Docker Security Scan - https://docs.docker.com/docker-cloud/builds/image-scan • Clustering and Scheduling • Swarm - https://docs.docker.com/swarm • Fleet - https://coreos.com/using-coreos/clustering • Kubernetes - http://kubernetes.io • Mesos - http://mesos.apache.org • Marathon - https://mesosphere.github.io/marathon • Mesosphere - https://mesosphere.github.io • Dynamic Services • Consul - https://www.consul.io • Etcd - https://coreos.com/etcd • Zookeeper - https://zookeeper.apache.org • Registrator - https://github.com/gliderlabs/registrato • Confd - https://github.com/kelseyhightower/confd • Consul Template - https://github.com/hashicorp/consul-template • Supervisord - http://supervisord.org
- 21. References ● Monitoring, Statistics and Logging • Docker stats - https://docs.docker.com/engine/reference/commandline/stats • Collectd - https://collectd.org • cAdvisor - https://github.com/google/cadvisor • InfluxDB - https://influxdata.com • Redis - http://redis.io • Grafana - http://grafana.org • Prometeus - https://prometheus.io • Sysdig - http://www.sysdig.org • Icinga - https://www.icinga.org • Nagios - https://www.nagios.org • Sensu - https://sensuapp.org • Fluentd - http://www.fluentd.org • Logstash - https://github.com/elastic/logstash • Syslog-ng - https://syslog-ng.org
- 22. References ● Provision and Configuration Management • Docker Machine - https://docs.docker.com/machine • Vagrant - https://www.vagrantup.com/ • Puppet - https://github.com/puppetlabs/puppet • Ansible - https://github.com/ansible/ansible • Chef - https://www.chef.io ● Opencontainers Initiative - https://www.opencontainers.org