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Mastering Go – Third Edition

You're reading from Mastering Go – Third Edition Harness the power of Go to build professional utilities and concurrent servers and services

Product type Paperback

Published in Aug 2021

Publisher Packt

ISBN-13 9781801079310

Length 682 pages

Edition 3rd Edition

Languages

Go

Tools

gRPC

Concepts

Programming Language

Author (1):

Mihalis Tsoukalos

View More author details

Table of Contents (17) Chapters

Preface

1. A Quick Introduction to Go

2. Basic Go Data Types FREE CHAPTER

3. Composite Data Types

4. Reflection and Interfaces

5. Go Packages and Functions

6. Telling a UNIX System What to Do

7. Go Concurrency

8. Building Web Services

9. Working with TCP/IP and WebSocket

10. Working with REST APIs

11. Code Testing and Profiling

12. Working with gRPC

13. Go Generics

14. Other Books You May Enjoy

15. Index

Appendix A – Go Garbage Collector

Uploading and downloading binary files

It is not unusual to need to store binary files in a RESTful server and being able to download them afterward—for example, for developing photo libraries or document libraries. This section illustrates how to implement that functionality.

For reasons of simplicity, the example is going to be included in the mactsouk/rest-api GitHub repository used earlier for implementing the RESTful server. For this subsection, we are going to be using the file directory to store the relevant code, which is saved as binary.go. In reality, binary.go is a small RESTful server that only supports the uploading and downloading of binary files through the /files/ endpoint.

There exist three main ways to save the files you upload:

On the local filesystem
On a database management system that supports the storing of binary files
On the cloud using a cloud provider

In our case, we are storing the files on the filesystem the...

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Authors (1)

Mihalis Tsoukalos

Mihalis Tsoukalos

Mihalis Tsoukalos holds a BSc in Mathematics from the University of Patras and an MSc in IT from University College London, UK. His books, Go Systems Programming and Mastering Go, have become must-reads for Unix and Linux systems professionals. He enjoys writing technical articles and has written for Sys Admin, MacTech, C/C++ Users Journal, USENIX ;login:, Linux Journal, Linux User and Developer, Linux Format, and Linux Voice. His research interests include time series data mining, time series indexing, and databases.

See other products by Mihalis Tsoukalos

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This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

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