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go-playground/validator is an open source project licensed under MIT License which is an OSI approved license.
Validator Alternatives
Similar projects and alternatives to validator
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Scout APM
Scout APM - Leading-edge performance monitoring starting at $39/month. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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Gin
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go-simple-mail
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Posts
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Golang web development
Validator for struct validation. Do this before saving models, before interacting with user input.
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Go, NATS, gRPC and PostgreSQL clean architecture microservice with monitoring and tracing 👋
For REST http i used echo, another good popular choice on my opinion is gin, and swag for generate RESTful API documentation. Create email handler accept requests, start tracing span, validate input using validator and call usecase method:
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📖 Build a RESTful API on Go: Fiber, PostgreSQL, JWT and Swagger docs in isolated Docker containers
👌 I use go-playground/validator v10 for release this feature.
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Build user authentication in Golang with JWT and mongoDB
Now let's move on to getting the bcrypt package, validator package and the gin package which will be used for password management, struct validation and route management respectively. In our controllers/userController.go file, insert the following code
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Build an API endpoint with GOlang , Gin & mongoDB
Now we need to create a new validator object which will be used to corroborate request payloads
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How to securely store passwords?
And let’s say we don’t allow it to contain any kind of special characters, so here I’m gonna use the alphanum tag, which is already provided by the validator package. It basically means that this field should contain ASCII alphanumeric characters only.
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Newtypes, constructing and validation
You could do that, but most of the time you want to validate a whole struct containing user supplied data, this can be done with: https://github.com/go-playground/validator
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Go gRPC Clean architecture microservice with Prometheus, Grafana monitoring and Jaeger opentracing ⚡️
Then we usually have to validate request input, for errors gRPC has packages status and codes I found good practice to parse and log errors in handler layer, here i use ParseGRPCErrStatusCode method, which parse err and returns matched gRPC code. Validator is good solution for validation.
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Gopher Gold #10 - Wed Sep 09 2020
go-playground/validator (Go): 💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving