🚀 [Feature]: Consistent way of issuing fiber log messages / warnings / errors

[leonklingele]

Feature Description

Currently, some fiber warnings & errors are done using fmt.Print*, some using log.Print*:

Examples:

• fiber/internal/template/html/html.go

  Line 115 in 5a8bc44

  fmt.Println("Parse() is deprecated, please use Load() instead.")

• fiber/app.go

  Line 524 in 5a8bc44

  log.Printf("[Warning] Config.ETag is deprecated since v2.0.6, please use 'middleware/etag'.\n")

There should only be a single way of doing this.

Additional Context (optional)

No response

Code Snippet (optional)

No response

Checklist:

• I agree to follow Fiber's Code of Conduct.
• I have checked for existing issues that describe my suggestion prior to opening this one.
• I understand that improperly formatted feature requests may be closed without explanation.

[ReneWerner87]

https://github.com/search?q=repo%3Agofiber%2Ffiber%20log.Printf(%22%5B&type=code

in every middleware with this pattern
"[MIDDLEWARENAME] - [LOG-LEVEL] text"

[efectn]

I'd prefer adding Logger interface instead of adding hardcoded log.Print

[kousikmitra]

I can pick it up if it's up for grab.

[leonklingele]

Go for it!! 🫨🥳🚀

[ReneWerner87]

#2444