Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

Awesome Lists | Featured Topics | Projects

https://github.com/jeffdecola/my-go-examples

A place to keep my go examples.
https://github.com/jeffdecola/my-go-examples

api blockchain concourse cryptography go go-examples golang gomock nats oauth2 protobuf protocol-buffers restful-api snippets syntax tcp-server web-server webserver

Last synced: 29 days ago
JSON representation

A place to keep my go examples.

Awesome Lists containing this project

README 

        
# MY GO EXAMPLES



[![Tag Latest](https://img.shields.io/github/v/tag/jeffdecola/my-go-examples)](https://github.com/JeffDeCola/my-go-examples/tags)

[![Go Reference](https://pkg.go.dev/badge/github.com/JeffDeCola/my-go-examples.svg)](https://pkg.go.dev/github.com/JeffDeCola/my-go-examples)

[![Go Report Card](https://goreportcard.com/badge/github.com/JeffDeCola/my-go-examples)](https://goreportcard.com/report/github.com/JeffDeCola/my-go-examples)

[![codeclimate Maintainability](https://api.codeclimate.com/v1/badges/3c5477c63d77a071fdff/maintainability)](https://codeclimate.com/github/JeffDeCola/my-go-examples/maintainability)

[![codeclimate Issue Count](https://codeclimate.com/github/JeffDeCola/my-go-examples/badges/issue_count.svg)](https://codeclimate.com/github/JeffDeCola/my-go-examples/issues)

[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

[![jeffdecola.com](https://img.shields.io/badge/website-jeffdecola.com-blue)](https://jeffdecola.com)



_A place to keep my go examples._



Table of Contents



* [ARCHITECTURES](https://github.com/JeffDeCola/my-go-examples#architectures)

  * BLOCKCHAIN

  * SCRAPING

* [CGO](https://github.com/JeffDeCola/my-go-examples#cgo)

  * C CODE

* [CLIENT/SERVER](https://github.com/JeffDeCola/my-go-examples#clientserver)

  * gRPC

  * HTTP

  * TCP/IP

* [CLOUD SERVICE PROVIDERS](https://github.com/JeffDeCola/my-go-examples#cloud-service-providers)

  * GOOGLE CLOUD PLATFORM

  * MICROSOFT AZURE

* [COMMON GO](https://github.com/JeffDeCola/my-go-examples#common-go)

  * ERROR REPORTING

  * FLAGS

  * LOGGING

  * MY GENERIC GO TEMPLATE

  * TESTING

* [CRYPTOGRAPHY](https://github.com/JeffDeCola/my-go-examples#cryptography)

  * ASYMMETRIC CRYPTOGRAPHY

  * HASHING

  * SYMMETRIC CRYPTOGRAPHY

* [DATABASES](https://github.com/JeffDeCola/my-go-examples#databases)

  * NON-RELATIONAL

  * RELATIONAL

* [FUNCTIONS, METHODS AND INTERFACES](https://github.com/JeffDeCola/my-go-examples#functions-methods-and-interfaces)

  * FUNCTIONS

  * METHODS

  * INTERFACES

* [GO RUNTIME](https://github.com/JeffDeCola/my-go-examples#go-runtime)

  * GOROUTINES

  * INTERACT GO RUNTIME

  * INTERACT HOST OS

* [INPUT/OUTPUT](https://github.com/JeffDeCola/my-go-examples#inputoutput)

  * IO READER

  * IO WRITER

* [IN-PROCESS COMMUNICATION](https://github.com/JeffDeCola/my-go-examples#in-process-communication)

  * SHARED MEMORY

  * MESSAGE PASSING

* [INTER-PROCESS COMMUNICATION (IPC)](https://github.com/JeffDeCola/my-go-examples#inter-process-communication-ipc)

  * SHARED MEMORY

  * MESSAGE PASSING

* [IoT](https://github.com/JeffDeCola/my-go-examples#iot)

  * RASPBERRY PI

* [MODULES AND PACKAGES](https://github.com/JeffDeCola/my-go-examples#modules-and-packages)

  * LOCAL PACKAGES

  * REMOTE PACKAGES



Documentation and Reference



* My [go cheat sheet](https://github.com/JeffDeCola/my-cheat-sheets/tree/master/software/development/languages/go-cheat-sheet)

* [my-go-packages](https://github.com/JeffDeCola/my-go-packages)

* [my-go-tools](https://github.com/JeffDeCola/my-go-tools)

* This repos

  [github webpage](https://jeffdecola.github.io/my-go-examples/)

  _built with

  [concourse](https://github.com/JeffDeCola/my-go-examples/blob/master/ci-README.md)_



## ARCHITECTURES



* BLOCKCHAIN



  * [bitcoin-ledger](https://github.com/JeffDeCola/my-go-examples/tree/master/architectures/blockchain/bitcoin-ledger)



    _Demonstrates a bitcoin ledger in a blockchain using the

    unspent transaction output model._



  * [create-bitcoin-address-from-ecdsa-publickey](https://github.com/JeffDeCola/my-go-examples/tree/master/architectures/blockchain/create-bitcoin-address-from-ecdsa-publickey)



    _Create a bitcoin address from your ecdsa public key

    using the `crypto/ecdsa` standard package._

  

  * [single-node-blockchain-with-REST](https://github.com/JeffDeCola/my-go-examples/tree/master/architectures/blockchain/single-node-blockchain-with-REST)



    _A simple single node sha256 blockchain with a REST JSON API

    (to view (GET) the blockchain and add (POST) a block)._



* WEB SCRAPING



  * _[web scrape twitter for ???]_



## CGO



* C CODE



  * [simple-c-code](https://github.com/JeffDeCola/my-go-examples/tree/master/cgo/c-code/simple-c-code)



    _A very simple example to show you how to write a c function in go._



  * [simple-c-code-using-stdio](https://github.com/JeffDeCola/my-go-examples/tree/master/cgo/c-code/simple-c-code-using-stdio)



    _A c function in go using stdio.h for printf._



## CLIENT/SERVER



* gRPC



  * _Coming soon._



* HTTP



  * _Coming soon._



* TCP/IP



  * _Coming soon._



## CLOUD SERVICE PROVIDERS



* GOOGLE CLOUD PLATFORM



  * _Coming soon._



* MICROSOFT AZURE



  * _Coming soon._



## COMMON GO



* ERROR REPORTING



  * [error-example](https://github.com/JeffDeCola/my-go-examples/tree/master/common-go/error-reporting/error-example)



    _Error Handling using the standard `error` package._



* FLAGS



  * [flags](https://github.com/JeffDeCola/my-go-examples/tree/master/common-go/flags/flags)



    _The standard `flag` package makes it easy to implement command-line flag parsing._



* LOGGING



  * [logrus](https://github.com/JeffDeCola/my-go-examples/tree/master/common-go/logging/logrus)



    _Logging using `logrus` package._



* MY GENERIC GO TEMPLATE



  * [jeffs-basic-go-template](https://github.com/JeffDeCola/my-go-examples/tree/master/common-go/my-generic-go-template/jeffs-basic-go-template)



    _A simple go template with flags, logging & error handling._



* TESTING



  * _Coming soon._



## CRYPTOGRAPHY



* ASYMMETRIC CRYPTOGRAPHY

  _(Great for digital signatures (verify sender) and receiving encrypted data)_



  * _Coming soon._



* HASHING

  _(Great for getting fingerprints)_



  * _Coming soon._



* SYMMETRIC CRYPTOGRAPHY

  _(Using the same key to encrypt and decrypt)_



  * _Coming soon._



## DATABASES



* NON-RELATIONAL



  * _Coming soon._



* RELATIONAL



  * _Coming soon._



## FUNCTIONS, METHODS AND INTERFACES



* FUNCTIONS



  * [functions](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/functions/functions)



    _Using functions to calculate the area of a rectangle and circle._



  * [functions-pointers-arguments](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/functions/functions-pointers-arguments)



    _Using functions to calculate the area of a rectangle and circle

    by passing pointers._



* METHODS



  * [methods](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/methods/methods)



    _Using methods to calculate the area of a rectangle and circle._



  * [methods-pointers-arguments](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/methods/methods-pointers-arguments)



    _Using methods to calculate the area of a rectangle and circle

    by passing pointers._



  * [methods-pointers-receivers](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/methods/methods-pointers-receivers)



    _Using methods to calculate the area of a rectangle and circle

    by passing pointers and using pointer receivers._



* INTERFACES



  * [interfaces](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/interfaces/interfaces)



    _Using an interface to calculate the area of a rectangle and circle._



  * [interfaces-pointers-arguments](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/interfaces/interfaces-pointers-arguments)



    _Using an interface to calculate the area of a rectangle and circle

    by passing pointers._



  * [interfaces-pointer-receivers](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/interfaces/interfaces-pointers-receivers)



    _Using an interface to calculate the area of a rectangle and circle

    by passing pointers and using pointer receivers._



  * [shapes-package](https://github.com/JeffDeCola/my-go-examples/tree/master/functions-methods-interfaces/interfaces/shapes-package)



    _Using an interface to calculate and manipulate simple 2D and 3D geometric shapes._



## GO RUNTIME



* GO ROUTINES



  * [goroutines-multi-core](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/goroutines/goroutines-multi-core)



    _Concurrency across multiples cores.  You can play around with workers,

    threads, cpus/cores and nice to find the fastest performance.

    It will find the total number of prime numbers within a range._



  * [goroutines-waitgroup](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/goroutines/goroutines-waitgroup)



    _Concurrency using a waitgroup (waiting for a collection of goroutines to finish)._



  * [goroutines-worker-pools](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/goroutines/goroutines-worker-pools)



    _Concurrency using worker pools._



* INTERACT GO RUNTIME



  * [simple-go-runtime-interactions](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/interact-host-os/simple-external-commands)



    _A few go runtime interactions using the `runtime` package._



* INTERACT HOST OS



  * [simple-external-commands](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/interact-host-os/simple-external-commands)



    _Run a few os commands using the `exec` package._



  * [simple-os-interactions](https://github.com/JeffDeCola/my-go-examples/tree/master/go-runtime/interact-host-os/simple-os-interactions)



    _A few os interactions using the `syscall` package._



## INPUT/OUTPUT



* IO READER



  * [io-reader](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-reader/io-reader)



    _Read data (a stream of bytes) from a string, buffer, file, stdin and

    a pipe to a buffer using the standard `io` package._



  * [io-reader-simple](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-reader/io-reader-simple)



    _Read data (a stream of bytes) from a buffer to a buffer

    using the standard `io` package._



  * [read-file](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-reader/read-file)



    _Read a file (*os.File) to a buffer._



  * [read-user-input](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-reader/read-user-input)



    _Read user input (os.Stdin) to a buffer (using Read method)

    and string (using Fscan)._



* IO WRITER



  * [io-writer](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-writer/io-writer)



    _Write data (a stream of bytes) to a buffer, file, stdout and a pipe

    from a buffer using the standard `io` package._



  * [io-writer-simple](https://github.com/JeffDeCola/my-go-examples/tree/master/input-output/io-writer/io-writer-simple)



    _Write data (a stream of bytes) to a buffer

    from a buffer using the standard `io` package._



## IN-PROCESS COMMUNICATION



* SHARED MEMORY



  * ASYNCHRONOUS



    * _Coming soon._



  * SYNCHRONOUS



    * [pipes-unnamed-simple](https://github.com/JeffDeCola/my-go-examples/tree/master/in-process-communication/shared-memory/synchronous/pipes-unnamed-simple)



      _A pipe provides a uni-directional communication channel.

      This is a very simple example of an unnamed pipe._



    * [pipes-unnamed](https://github.com/JeffDeCola/my-go-examples/tree/master/in-process-communication/shared-memory/synchronous/pipes-unnamed)



      _This is a more robust example of an unnamed pipe showing multiple reads._



    * [pipes-unnamed-io](https://github.com/JeffDeCola/my-go-examples/tree/master/in-process-communication/shared-memory/synchronous/pipes-unnamed-io)



      _This example of an unnamed pipe connects an io.Writer and io.Reader._



* MESSAGE PASSING



  * ASYNCHRONOUS



    * [channels-buffered](https://github.com/JeffDeCola/my-go-examples/tree/master/in-process-communication/message-passing/asynchronous/channels-buffered)



      _Buffered channels are uni-directional, asynchronous with no blocking._



  * SYNCHRONOUS



    * [channels-unbuffered](https://github.com/JeffDeCola/my-go-examples/tree/master/in-process-communication/message-passing/synchronous/channels-unbuffered)



      _Unbuffered channels are uni-directional, synchronous with blocking._



## INTER-PROCESS COMMUNICATION (IPC)



* SHARED MEMORY



  * ASYNCHRONOUS



    * _Coming soon._



  * SYNCHRONOUS



    * [pipes-named](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/shared-memory/synchronous/pipes-named)



      _Sending data over a named-pipe (FIFO) from one process to another process._



* MESSAGE PASSING



  * OPERATING SYSTEM



    * ASYNCHRONOUS



      * [message-queues](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/operating-system/asynchronous/message-queues)



        _tbd._



      * [pub-sub-nats-os](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/operating-system/asynchronous/pub-sub-nats-os)



        _tbd._



      * [tcp](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/operating-system/asynchronous/tcp)



        _tbd._



    * SYNCHRONOUS



      * [grpc-os](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/operating-system/synchronous/grpc-os)



        _tbd._



  * NETWORK



    * ASYNCHRONOUS



      * [pub-sub-nats-network](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/network/asynchronous/pub-sub-nats-network)



        _tbd._



      * [tcp-ip](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/network/asynchronous/tcp-ip)



        _tbd._



    * SYNCHRONOUS



      * [grpc-network](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/network/synchronous/grpc-network)



        _tbd._



      * [rest](https://github.com/JeffDeCola/my-go-examples/tree/master/inter-process-communication-ipc/message-passing/network/synchronous/rest)



        _tbd._



## IoT



* RASPBERRY PI



  * [blink-led-raspberry-pi-gpio-periph](https://github.com/JeffDeCola/my-go-examples/tree/master/iot/raspberry-pi/blink-led-raspberry-pi-gpio-periph)



    _GPIO OUTPUT -

    Blink an LED

    via a Raspberry Pi GPIO

    using the `periph.io/...` packages._



  * [push-button-raspberry-pi-gpio-periph](https://github.com/JeffDeCola/my-go-examples/tree/master/iot/raspberry-pi/push-button-raspberry-pi-gpio-periph)



    _GPIO INPUT -

    Push a button

    via a Raspberry Pi GPIO

    using the `periph.io/...` packages._



  * [toggle-led-with-button-raspberry-pi-gpio-periph](https://github.com/JeffDeCola/my-go-examples/tree/master/iot/raspberry-pi/toggle-led-with-button-raspberry-pi-gpio-periph)



    _Toggle an LED with a button push

    via a Raspberry Pi GPIO

    using the `periph.io/...` packages._



## MODULES AND PACKAGES



* LOCAL PACKAGES



  * [module-with-local-package](https://github.com/JeffDeCola/my-go-examples/tree/master/modules-and-packages/local-packages/module-with-local-package)



    _A go module with a local package._



* REMOTE PACKAGES

  * [module-with-remote-package](https://github.com/JeffDeCola/my-go-examples/tree/master/modules-and-packages/remote-packages/module-with-remote-package)



    _A go module with a remote (public) package._