go-json
godotenv
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go-json | godotenv | |
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24 | 17 | |
2,760 | 7,502 | |
- | - | |
3.5 | 3.7 | |
about 2 months ago | 24 days ago | |
Go | Go | |
MIT License | MIT License |
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go-json
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API: Go, .NET, Rust
For go -> you can actually get away with the standard json encoding package. Or if you want a slightly better one, I prefer goccy/go-json
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Rob Pike: Gobs of data (2011)
Someone made a benchmark of serialization libraries in go [1], and I was surprised to see gobs is one of the slowest ones, specially for decoding. I suspect part of the reason is that the API doesn't not allow reusing decoders [2]. From my explorations it seems like both JSON [3], message-pack [4] and CBOR [5] are better alternatives.
By the way, in Go there are a like a million JSON encoders because a lot of things in the std library are not really coded for maximum performance but more for easy of usage, it seems. Perhaps this is the right balance for certain things (ex: the http library, see [6]).
There are also a bunch of libraries that allow you to modify a JSON file "in place", without having to fully deserialize into structs (ex: GJSON/SJSON [7] [8]). This sounds very convenient and more efficient that fully de/serializing if we just need to change the data a little.
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1: https://github.com/alecthomas/go_serialization_benchmarks
2: https://github.com/golang/go/issues/29766#issuecomment-45492...
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3: https://github.com/goccy/go-json
4: https://github.com/vmihailenco/msgpack
5: https://github.com/fxamacker/cbor
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6: https://github.com/valyala/fasthttp#faq
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Data storage speed comparisons?
Drop-in replacement for the stdlib JSON package: https://github.com/goccy/go-json
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Go is 2-3 times slower than JS in a similar code. What makes Go slow in this specific code?
go stdlib json encoding/decoding is incredibly slow, not sure for how much longer because there are drop in replacements now that I think are just as strict and feature parity.
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Go with Chi has more ram consumption and less req/s than Koa or Fastify
3rd party JSON libraries could help if you were comparing JSON. https://github.com/goccy/go-json
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ogen: spec-first OpenAPI v3 codegen for Go
However, I understand the code that is generated is super optimized. For example, rather than use a router, it does a static code generated router. Rather than use goccy/go-json, it does manual marshalling.
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japi is a JSON HTTP API go library with generics
Minimal dependencies: julienschmidt/httprouter and goccy/go-json
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Using a json lib other than encoding/json
I suggested using https://github.com/goccy/go-json at my work, since its a drop in replacement for the standard lib, but there are people who apprehensive. In my opinion the performance gains are significant to justify adoption. But I'd like your input.
- Whats the fastest JSON unmarshaling package as of right now?
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What are your favorite packages to use?
go-json for encoding/decoding
godotenv
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Autenticação com Golang e AWS Cognito
Primeiro vamos carregar nossas envs com o pacote godotenv, depois iniciamos nosso cognito client, passando o COGNITO_CLIENT_ID, que pegamos anteriormente, depois iniciamos o gin e criamos um server, isso é o suficiente.
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Tools besides Go for a newbie
IDE: use whatever make you productive. I personally use vscode. VCS: git, as golang communities use github heavily as base for many libraries. AFAIK Linter: use staticcheck for linting as it looks like mostly used linting tool in go, supported by many also. In Vscode it will be recommended once you install go plugin. Libraries/Framework: actually the standard libraries already included many things you need, decent enough for your day-to-day development cycles(e.g. `net/http`). But here are things for extra: - Struct fields validator: validator - Http server lib: chi router , httprouter , fasthttp (for non standard http implementations, but fast) - Web Framework: echo , gin , fiber , beego , etc - Http client lib: most already covered by stdlib(net/http), so you rarely need extra lib for this, but if you really need some are: resty - CLI: cobra - Config: godotenv , viper - DB Drivers: sqlx , postgre , sqlite , mysql - nosql: redis , mongodb , elasticsearch - ORM: gorm , entgo , sqlc(codegen) - JS Transpiler: gopherjs - GUI: fyne - grpc: grpc - logging: zerolog - test: testify , gomock , dockertest - and many others you can find here
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Reading Environment Variable from a .env file on a Server
In his code it is done using https://github.com/joho/godotenv
- Libraries you use most of your projects?
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Restful API with Golang practical approach
envconfig: Library for managing configuration data from environment variables (https://github.com/joho/godotenv)
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Is this clear why its useful?
There is already a more complete, safer and neatly written godotenv alternative. It may be taken as an educational inspiration for next attempts.
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I need some help setting up variables for the sake of my sanity
Chances are you are going to set them in you real server, and most likely you will going to use Linux for that. So for local development create a .env file with those in there. And at the start of you program, load them. You can use https://github.com/joho/godotenv Don’t share that file of course, and don’t put it in git.
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How can I "source" a bash script?
Maybe https://github.com/joho/godotenv can help
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passwords, secrets, keys - best practice
joho/godotenv
- I'm looking for a good alternativ to Viper
What are some alternatives?
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
viper - Go configuration with fangs
easyjson - Fast JSON serializer for golang.
gotenv - Load environment variables from `.env` or `io.Reader` in Go.
GJSON - Get JSON values quickly - JSON parser for Go
structs - Golang struct operations.
go-fuzz - Randomized testing for Go
xferspdy - Xferspdy provides binary diff and patch library in golang. [Mentioned in Awesome Go, https://github.com/avelino/awesome-go]
Gin - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.
delve - Delve is a debugger for the Go programming language.
zap - Blazing fast, structured, leveled logging in Go.
fzf - :cherry_blossom: A command-line fuzzy finder