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Docker based web hosting
This document discusses Docker-based web hosting. It begins with an introduction to Docker containers and how they can isolate applications and share the same OS kernel. It then covers Docker images, volumes, and networks. It explains how images are immutable snapshots used to build containers, and how volumes are used to persist data. It describes several network drivers like bridge, overlay, and host. Finally, it provides examples of how Docker could be used to host web applications with containers for Apache, MySQL, PHP-FPM, and Nginx, using volumes to share data between containers.
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Docker based web hosting
- 1. Docker Based WebHosting 강동혁 donghyeok@shoplic.kr
- 2. • (현) 쇼플릭대표 • 단비랩스 CTO • 맥스트 Senior Researcher • 한솔헬스케어 Dev Team Leader • SK커뮤니케이션즈 과장 • 네트빌 Junior Researcher • Java, PHP, Go, Python, Shell Script, Javascr ipt, Lua, ASP • AWS, Docker, Linux, MySQL 강동혁 2
- 3. Apache HTTPD (PHP Module) MySQL /home/hosting_users/foo /bar /shoplic /donghyeok /bradpitt … Web Hosting without Docker Host
- 5. Container & Docker •Standardized packaging for software and dependencies • Isolate apps from each other • Share the same OS kernel • Container Orchestration • Kubernetes • Docker Swarm • Mesosphere • Rancher Image source) https://docs.docker.com/get-started/
- 6. Docker Basic • Image •Volume • Network
- 7. Docker Image • Immutablesnapshot of a container • Building an image from a DockerFile via “docker build” • Public repositories like hub.docker.com • Private repository like AWS ECR(Elastic Container Repository)
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- 10. Docker Volume mechanism forpersisting data generated by and used by Docker containers Image Source) https://docs.docker.com/v17.09/engine/userguide/storagedriver/imagesandcontainers/
- 11. Docker Network • Connectingdocker containers together, or containers to non- Docker workloads • Network drivers • Bridge • Overlay • Host • Macvlan • None
- 12. Bridge Network Driver Imagesource) https://blog.docker.com/2016/12/understanding-docker-networking-drivers-use-cases/
- 13. Overlay Network Driver Imagesource) https://blog.docker.com/2016/12/understanding-docker-networking-drivers-use-cases/
- 14. Host Network Driver Imagesource) https://success.docker.com/article/networking
- 15. Macvlan Network Driver Imagesource) https://blog.docker.com/2016/12/understanding-docker-networking-drivers-use-cases/
- 16. Host Apache HTTPD (PHP Module) MySQL /home/hosting_users/foo /bar … Web Hosting without Docker
- 17. Apache HTTPD MySQL /data/sites /foo /bar WebHosting with Docker Apache HTTPD MySQL volume volume Host Docker Container
- 18. Host Apache HTTPD MySQL Web Hostingwith Docker Apache HTTPD MySQL Service Discovery foo.com bar.com /data/sites /foo /bar volume volume
- 19. Host Apache HTTPD MySQL Web Hostingwith Docker Apache HTTPD MySQL Reverse Proxy foo.com bar.com /data/sites /foo /bar volume volume
- 20. Apache HTTPD MySQL Web Hostingwith Docker Apache HTTPD MySQL /data/sites /foo /bar volume volume Nginx Host foo.com bar.com
- 21. PHP-FPM Web Hosting withDocker PHP-FPM /data/sites /foo /bar volume volume Nginx Host MySQL foo.com bar.com
- 23.