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+++
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title = "Hands-On Microservices with Rust - Denis Kolodin"
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date = 2019-03-03
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[taxonomies]
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tags = ["reviews", "books", "rust", "microservices", "denis kolodin", "it"]
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+++
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[GoodReads Summary](https://www.goodreads.com/book/show/44079380-hands-on-microservices-with-rust):
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A comprehensive guide in developing and deploying high performance
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microservices with Rust.
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<!-- more -->
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{{ stars(stars=2) }}
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The shortest and simpler way to describe this book is this:
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```rust
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let mut a = 1;
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a = a + 1;
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// increase a
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```
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Sure, increasing `a` may seem interesting, but where the heck is the
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explanation on why you're increasing a?
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The long version is this: this is an exact representation of what a Packt book
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is. There are a bunch of grammatical errors from the half of the book to the
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end, which should've picked by the editor; there are a bunch of weird
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explanations and the incredible tendency of use a different package on each
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project (one project uses Hyper, the other Rocket, the other Actix-Web) which
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should've been picked by the reviewer; the whole book have a bunch of what the
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code is doing, but not why it was designed that way.
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So the whole thing feels rushed and without thought.
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The "change package on each discussion" is also damming: you never really got
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deep into a package, understanding its ins and outs, because it keeps changing
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all the time (logs is another thing that keeps changing all the time in the
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code, which seems really weird when you want to have a fleet of microservices
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-- why would you use different packages on all of them; yes, you can do this
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due the nature of microservices, but does it make sense?).
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Also, no code is shown in completion. The book uses snippets all around instead
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of showing everything. The full code is available on Github, but that means you
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need to keep two sources open at the same time: one in the book, to follow
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whatever the author is showing and the source code to understand where each
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thing fall in the big picture.
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Those two last points could be easily solved by starting with a simple code
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(say, the Hyper that says "Hello world") and then, slowly, refactor it to reach
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a fully asynchronous code, showing the full code with each refactor
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highlighted.
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Maybe this will be a good book in the 3rd edition.
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