Swift server applications with Docker (Swift.Berlin #21)

An introduction to Docker with examples on how to containerize a Swift server application.

Transcript

1. @claushoefele +
2. MongoDB Before/After • Official How-To
 https://docs.mongodb.com/manual/tutorial/ install-mongodb-on-ubuntu/ • Docker
 docker run --name db -d mongo
3. Docker Usage Docker Image Dockerfile Docker Hub Docker Container build push run docker [OPTIONS] COMMAND [arg...] Dockerfile MongoDB
4. Dockerfile • Describes steps to produce an image • Can inherit from other images • Images consist of layers • Images can be stored at Docker Hub
5. Docker Containers vs 
 Virtual Machines Container VM
6. Docker Pros/Cons • Docker focuses on convenience and ease-of- use • Abstracts providers (logging, deployment) • Lightweight (-> micro services) • Know what you deploy with pre-built images • But: Linux images only
7. A Typical Server App Database Data Application Server Reverse Proxy Backup
8. docker-compose • Bundles multiple Docker commands • Includes connectivity (ports, data) • Can be bound to remote machines via 
 docker-machine
9. Environments Dev (macOS) CI (Linux) Prod (Linux) Package Management Swift Package Manager Swift Package Manager N/A Build Environment Xcode docker build N/A Runtime Environment Xcode/ docker run docker run docker run
10. Demo
11. @claushoefele https://github.com/choefele/swift-server-app