Let's build a URL shortener in Go

Hanji_DevFest2023

Transcript

1. Let's build a URL shortener in Go 韓吉 (Hanji)
2. About me • Freelancer, but open to work • 3+ backend work experience • Only using Golang in toy projects My LinkedIn
3. Slides
4. Github repo
5. Summary • Project Setup 🛠 • Igniting The Web Server ☄ • Store Service Setup 🛠 • Storage API Design • Shortener Generator Algorithm • Handlers & Endpoints
6. Project Setup 🛠 • Initialize the go project, using go mod $ go mod init your-projectname • Create main.go file and add the code • Installing project dependencies $ go get github.com/go-redis/redis/v8 $ go get -u github.com/gin-gonic/gin
7. Download Redis • https://redis.io/docs/install/install-redis/
8. Igniting The Web Server ☄
9. Igniting The Web Server ☄ • Launching the web server for first time • Run again the main.go file and go to http://localhost:9808/ in the browser or any rest client tool
10. Store Service Setup 🛠
11. Create a sub-directory
12. Setting up our wrappers around Redis
13. Storage API design and Implementation
14. func SaveUrlMapping
15. func RetrieveInitialUrl
16. Testing 🧪
17. Install the testing tools $ go get github.com/stretchr/testify
18. Setting up the the tests shell
19. Test the store service initialization
20. Test the storage APIs
21. Shortener Generator Algorithm
22. Create a sub-directory
23. SHA256
24. Base58 Encoded
25. Generate algorithm
26. Testing
27. Handlers & Endpoints
28. Create a sub-directory
29. Define handlers stubs
30. Setting endpoints
31. Request model definition
32. func CreateShortUrl
33. func HandleShortUrlRedirect
34. Demo time!!!
35. Demo curl --request POST --data '{ "long_url": "https://www.google.com/", "user_id" : "123456789" }' http://localhost:9808/create-short-url
36. Reference • https://www.eddywm.com/lets-build-a-url-shortener-in-go/