sponge

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README

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Sponge is a powerful Go development framework. Its core concept revolves around reverse-engineering modular code by parsing JSON, SQL, or Protobuf files. The generated code can be flexibly and seamlessly assembled into various types of complete backend services (similar to the characteristics of sponge cells, where disassembled sponge cells can automatically recombine into a new sponge).

Sponge provides an all-in-one solution for project development, covering code generation, development, testing, API documentation, and deployment, significantly enhancing development efficiency, reducing complexity, and enabling high-quality projects with a "low-code approach".


Applicable scenarios

Sponge is suitable for quickly developing various high-performance backend services, including but not limited to:

  • Web services (gin);
  • gRPC services;
  • HTTP+gRPC hybrid services;
  • gRPC Gateway API services;
  • cloud-native microservices.

Additionally, developers can use custom templates to generate various types of code to meet specific business needs.


Core Highlights

  1. One-click generation of complete backend service code
    For Web or gRPC services that only require CRUD APIs, no Go code needs to be written. Simply connect to a database (e.g., MySQL, MongoDB, PostgreSQL, SQLite) to one-click generate complete backend service code and easily deploy it to Linux servers, Docker, or Kubernetes.

  2. Efficient development of general-purpose services
    When developing general-purpose Web, gRPC, HTTP+gRPC, or gRPC Gateway services, you only need to focus on three aspects:

    • Defining database tables;
    • Defining API descriptions in Protobuf files;
    • Writing business logic code in the generated templates.

    The framework code and CRUD API code are all automatically generated by sponge.

  3. Support for custom templates, offering flexible extensibility
    sponge supports generating various types of project-specific code using custom templates, not limited to the Go language. For example:

    • Backend code;
    • Frontend code;
    • Configuration files;
    • Test code;
    • Build and deployment scripts, etc.

  4. Generate code on the page, simple and easy to use


Quick Start

  1. Install sponge

    Sponge supports installation on Windows, macOS, and Linux. Click to view the sponge installation guide.

  2. Open the code generation UI

    After installation, run the following command to open the sponge UI:

    sponge run

    Access http://localhost:24631 in a local browser to generate code through the UI interface, as shown below:

    To access from a browser on a different host, specify the host IP or domain when starting the UI, e.g., sponge run -a http://your_host_ip:24631. Alternatively, you can run the UI service in Docker to support cross-host access. Click to view the guide on running the sponge UI service in Docker.


Main Features

Sponge has built-in rich features (for on-demand use):


Generates Code Framework

Sponge supports generating code using both built-in templates and custom templates, as shown in the diagrams below.

  1. The code generation framework based on Sponge's built-in templates is shown below. There are two approaches: SQL and Protobuf.


  1. The code generation framework based on custom templates is shown below. There are three approaches: JSON, SQL, and Protobuf.


Microservice framework

Five of the six types of back-end services created by sponge are microservice architectures. The diagram below illustrates a typical layered microservice structure, featuring high performance, scalability, and built-in service governance capabilities.


Performance testing of http and grpc service code created by the microservices framework: 50 concurrent, 1 million total requests.

http-server

grpc-server

Click to view the test code.


Project Code Directory Structure

The project code directory structure created by sponge follows the project-layout.

Sponge supports creating three types of project code structures: Monolithic application monorepo (monolith), Microservices multi-repo (multi-repo), and Microservices monorepo (mono-repo).

  1. The code directory structure for creating a Monolithic application monorepo (monolith) or Microservices multi-repo (multi-repo) is as follows:

    .
├── api            # Protobuf files and generated * pb.go directory
├── assets         # Store various static resources, such as images, markdown files, etc.
├── cmd            # Program entry directory
├── configs        # Directory for configuration files
├── deployments    # Bare metal, docker, k8s deployment script directory.
├── docs           # Directory for API interface Swagger documentation.
├── internal       # Directory for business logic code.
│    ├── cache        # Cache directory wrapped around business logic.
│    ├── config       # Directory for Go structure configuration files.
│    ├── dao          # Data access directory.
│    ├── database     # database directory.
│    ├── ecode        # Directory for system error codes and custom business error codes.
│    ├── handler      # Directory for implementing HTTP business functionality (specific to web services).
│    ├── model        # Database model directory.
│    ├── routers      # HTTP routing directory.
│    ├── rpcclient    # Directory for client-side code that connects to grpc services.
│    ├── server       # Directory for creating services, including HTTP and grpc.
│    ├── service      # Directory for implementing grpc business functionality (specific to grpc services).
│    └── types        # Directory for defining request and response parameter structures for HTTP.
├── pkg            # Directory for shared libraries.
├── scripts        # Directory for scripts.
├── test           # Directory for scripts required for testing services  and test SQL.
├── third_party    # Directory for third-party protobuf files or external helper programs.
├── Makefile       # Develop, test, deploy related command sets .
├── go.mod         # Go module dependencies and version control file.
└── go.sum         # Go module dependencies key and checksum file.

  1. The code directory structure for creating a Microservices monorepo (mono-repo) (large repository code directory structure) is as follows:

    .
├── api
│    ├── server1       # Protobuf files and generated *pb.go directory for service 1.
│    ├── server2       # Protobuf files and generated *pb.go directory for service 2.
│    ├── server3       # Protobuf files and generated *pb.go directory for service 3.
│    └── ...
├── server1        # Code directory for Service 1, it has a similar structure to the microservice multi repo directory.
├── server2        # Code directory for Service 2, it has a similar structure to the microservice multi repo directory.
├── server3        # Code directory for Service 3, it has a similar structure to the microservice multi repo directory.
├── ...
├── third_party    # Third-party protobuf files.
├── go.mod         # Go module dependencies and version control file.
└── go.sum         # Go module dependencies' checksums and hash keys.

Sponge Development Documentation

Click to view the detailed documentation for Sponge development project, including code generation, development, configuration, and deployment instructions, and more.


Examples of use

Examples of create services
Examples of develop complete project
Distributed transaction examples


If it's help to you, give it a star ⭐.


Documentation

Overview

Package sponge is a powerful Go development framework that makes it easy to develop web, gRPC, and microservices projects.

Github: https://github.com/go-dev-frame/sponge

Documentation: https://go-sponge.com

Usage:

sponge [command]

Available Commands:

completion Generate the autocompletion script for the specified shell

config Generate go config code from yaml file

help Help about any command

init Initialize sponge

merge Merge the generated code into the template file

micro Generate protobuf, model, cache, dao, service, grpc, grpc+http, grpc-gw, grpc-cli code

patch Patch the generated code

plugins Managing sponge dependency plugins

run Run code generation UI service

template Generate code based on custom templates

upgrade Upgrade sponge version

web Generate model, cache, dao, handler, http code

Flags:

-h, --help help for sponge

-v, --version version for sponge

Use "sponge [command] --help" for more information about a command.

Source Files

View all Source files

Directories

Path Synopsis
api
serverNameExample/v1
types
cmd
protoc-gen-go-gin
Package main generate *.go(tmpl), *_router.go, *_http.go, *_router.pb.go code based on proto files.
 Package main generate *.go(tmpl), *_router.go, *_http.go, *_router.pb.go code based on proto files.
protoc-gen-go-gin/internal/generate/handler
Package handler is to generate template code, router code, and error code.
 Package handler is to generate template code, router code, and error code.
protoc-gen-go-gin/internal/generate/router
Package router is to generate gin router code.
 Package router is to generate gin router code.
protoc-gen-go-gin/internal/generate/service
Package service is to generate template code, router code, and error code.
 Package service is to generate template code, router code, and error code.
protoc-gen-go-gin/internal/parse
Package parse is parsed proto file to struct
 Package parse is parsed proto file to struct
protoc-gen-go-rpc-tmpl
Package main is to generate *.go(tmpl), *_client_test.go, *_rpc.go files.
 Package main is to generate *.go(tmpl), *_client_test.go, *_rpc.go files.
protoc-gen-go-rpc-tmpl/internal/generate/service
Package service is to generate template code, test code, and error code.
 Package service is to generate template code, test code, and error code.
protoc-gen-go-rpc-tmpl/internal/parse
Package parse is parsed proto file to struct
 Package parse is parsed proto file to struct
protoc-gen-json-field
Package main is a library that parses protobuf files into json
 Package main is a library that parses protobuf files into json
protoc-gen-json-field/generate
Package generate is generate json field code.
 Package generate is generate json field code.
protoc-gen-json-field/parser
Package parser is parsed proto file to struct
 Package parser is parsed proto file to struct
serverNameExample_grpcExample
Package main is the grpc server of the application.
 Package main is the grpc server of the application.
serverNameExample_grpcExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_grpcGwPbExample
Package main is the grpc gateway server of the application.
 Package main is the grpc gateway server of the application.
serverNameExample_grpcGwPbExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_grpcHttpPbExample
Package main is the http and grpc server of the application.
 Package main is the http and grpc server of the application.
serverNameExample_grpcHttpPbExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_grpcPbExample
Package main is the grpc server of the application.
 Package main is the grpc server of the application.
serverNameExample_grpcPbExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_httpExample
Package main is the http server of the application.
 Package main is the http server of the application.
serverNameExample_httpExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_httpPbExample
Package main is the http server of the application.
 Package main is the http server of the application.
serverNameExample_httpPbExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
serverNameExample_mixExample
Package main is the http and grpc server of the application.
 Package main is the http and grpc server of the application.
serverNameExample_mixExample/initial
Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
 Package initial is the package that starts the service to initialize the service, including the initialization configuration, service configuration, connecting to the database, and resource release needed when shutting down the service.
sponge
Package main sponge is a basic development framework that integrates code auto generation, Gin and GRPC, a microservice framework.
 Package main sponge is a basic development framework that integrates code auto generation, Gin and GRPC, a microservice framework.
sponge/commands
Package commands are subcommands of the sponge command.
 Package commands are subcommands of the sponge command.
sponge/commands/generate
Package generate is to generate code, including model, cache, dao, handler, http, service, grpc, grpc-gw, grpc-cli code.
 Package generate is to generate code, including model, cache, dao, handler, http, service, grpc, grpc-gw, grpc-cli code.
sponge/commands/merge
Package merge is merge the generated code into the template file, you don't worry about it affecting the logic code you have already written, in case of accidents, you can find the pre-merge code in the directory /tmp/sponge_merge_backup_code
 Package merge is merge the generated code into the template file, you don't worry about it affecting the logic code you have already written, in case of accidents, you can find the pre-merge code in the directory /tmp/sponge_merge_backup_code
sponge/commands/patch
Package patch is command set for patching service code.
 Package patch is command set for patching service code.
sponge/commands/template
Package template provides commands to generate custom code.
 Package template provides commands to generate custom code.
sponge/server
Package server is a sponge UI service that contains the front-end pages.
 Package server is a sponge UI service that contains the front-end pages.
Package configs used to locate config file.
 Package configs used to locate config file.
internal
cache
Package cache is a package that unifies the definition of caching, supporting both redis and local caching.
 Package cache is a package that unifies the definition of caching, supporting both redis and local caching.
config
dao
Package dao is the data access object, the code for database operation is unified here.
 Package dao is the data access object, the code for database operation is unified here.
database
Package database provides database client initialization.
 Package database provides database client initialization.
ecode
Package ecode is the package that unifies the definition of http error codes or grpc error codes here.
 Package ecode is the package that unifies the definition of http error codes or grpc error codes here.
handler
Package handler is a package of http request processing business logic.
 Package handler is a package of http request processing business logic.
model
Package model contains the data models used in the application.
 Package model contains the data models used in the application.
routers
Package routers is a package dedicated to registering routes, and supports both manual route registration and automatic route registration.
 Package routers is a package dedicated to registering routes, and supports both manual route registration and automatic route registration.
rpcclient
Package rpcclient is the rpc client package, used to connect to grpc server, rich plugin support by default, such as service discovery, load balancing, link tracking and so on.
 Package rpcclient is the rpc client package, used to connect to grpc server, rich plugin support by default, such as service discovery, load balancing, link tracking and so on.
server
Package server is a package that holds the http or grpc service.
 Package server is a package that holds the http or grpc service.
service
Package service A grpc server-side or client-side package that handles business logic.
 Package service A grpc server-side or client-side package that handles business logic.
types
Package types define the structure of request parameters and return results in this package
 Package types define the structure of request parameters and return results in this package
pkg
app
Package app is starting and stopping services gracefully, using golang.org/x/sync/errgroup to ensure that multiple services are started properly at the same time.
 Package app is starting and stopping services gracefully, using golang.org/x/sync/errgroup to ensure that multiple services are started properly at the same time.
cache
Package cache is memory and redis cache libraries.
 Package cache is memory and redis cache libraries.
conf
Package conf is parsing yaml, json, toml configuration files to go struct.
 Package conf is parsing yaml, json, toml configuration files to go struct.
consulcli
Package consulcli is connecting to the consul service client.
 Package consulcli is connecting to the consul service client.
container/group
Package group provides a sample lazy load container.
 Package group provides a sample lazy load container.
dlock
Package dlock provides distributed locking primitives, supports redis and etcd.
 Package dlock provides distributed locking primitives, supports redis and etcd.
encoding
Package encoding Provides encoding and decoding of json, protobuf and gob.
 Package encoding Provides encoding and decoding of json, protobuf and gob.
encoding/json
Package json is a JSON encoding and decoding.
 Package json is a JSON encoding and decoding.
encoding/proto
Package proto is a protobuf encoding and decoding.
 Package proto is a protobuf encoding and decoding.
errcode
Package errcode is used for http and grpc error codes, include system-level error codes and business-level error codes
 Package errcode is used for http and grpc error codes, include system-level error codes and business-level error codes
etcdcli
Package etcdcli is use for connecting to the etcd service
 Package etcdcli is use for connecting to the etcd service
ggorm
Package ggorm is a library wrapped on top of gorm.io/gorm, with added features such as link tracing, paging queries, etc.
 Package ggorm is a library wrapped on top of gorm.io/gorm, with added features such as link tracing, paging queries, etc.
ggorm/query
Package query is a library of custom condition queries, support for complex conditional paging queries.
 Package query is a library of custom condition queries, support for complex conditional paging queries.
gin/frontend
Package frontend embeds the frontend static file and adds routing.
 Package frontend embeds the frontend static file and adds routing.
gin/handlerfunc
Package handlerfunc is used for public http request handler.
 Package handlerfunc is used for public http request handler.
gin/middleware
Package middleware is gin middleware plugin.
 Package middleware is gin middleware plugin.
gin/middleware/metrics
Package metrics is gin metrics library, collect five metrics, "uptime", "http_request_count_total", "http_request_duration_seconds", "http_request_size_bytes", "http_response_size_bytes".
 Package metrics is gin metrics library, collect five metrics, "uptime", "http_request_count_total", "http_request_duration_seconds", "http_request_size_bytes", "http_response_size_bytes".
gin/prof
Package prof is used for gin profiling.
 Package prof is used for gin profiling.
gin/response
Package response provides wrapper gin returns json data in the same format.
 Package response provides wrapper gin returns json data in the same format.
gin/swagger
Package swagger is gin swagger library.
 Package swagger is gin swagger library.
gin/validator
Package validator is gin request parameter check library.
 Package validator is gin request parameter check library.
gobash
Package gobash provides the ability to execute commands, scripts, executables in the go environment with live log output.
 Package gobash provides the ability to execute commands, scripts, executables in the go environment with live log output.
gocron
Package gocron is scheduled task library.
 Package gocron is scheduled task library.
gocrypto
Package gocrypto is commonly used one-way encryption, symmetric encryption and decryption, asymmetric encryption and decryption libraries, including hash, aes, des, rsa.
 Package gocrypto is commonly used one-way encryption, symmetric encryption and decryption, asymmetric encryption and decryption libraries, including hash, aes, des, rsa.
gocrypto/wcipher
Package wcipher is a package to encrypt and decrypt data.
 Package wcipher is a package to encrypt and decrypt data.
gofile
Package gofile is file and directory management libraries.
 Package gofile is file and directory management libraries.
goredis
Package goredis is a library wrapped on top of github.com/go-redis/redis.
 Package goredis is a library wrapped on top of github.com/go-redis/redis.
gotest
Package gotest is a library that simulates the testing of cache, dao and handler.
 Package gotest is a library that simulates the testing of cache, dao and handler.
grpc/benchmark
Package benchmark is compression testing of rpc methods and generation of reported results.
 Package benchmark is compression testing of rpc methods and generation of reported results.
grpc/client
Package client is generic grpc client-side.
 Package client is generic grpc client-side.
grpc/grpccli
Package grpccli is grpc client with support for service discovery, logging, load balancing, trace, metrics, retries, circuit breaker.
 Package grpccli is grpc client with support for service discovery, logging, load balancing, trace, metrics, retries, circuit breaker.
grpc/gtls
Package gtls provides grpc secure connectivity, supporting both server-only authentication and client-server authentication.
 Package gtls provides grpc secure connectivity, supporting both server-only authentication and client-server authentication.
grpc/gtls/certfile
Package certfile is used to locate the certificate file.
 Package certfile is used to locate the certificate file.
grpc/interceptor
Package interceptor provides commonly used grpc client-side and server-side interceptors.
 Package interceptor provides commonly used grpc client-side and server-side interceptors.
grpc/keepalive
Package keepalive is setting grpc keepalive parameters.
 Package keepalive is setting grpc keepalive parameters.
grpc/metrics
Package metrics is grpc's server-side and client-side metrics can continue to be captured using prometheus.
 Package metrics is grpc's server-side and client-side metrics can continue to be captured using prometheus.
grpc/resolve
Package resolve is setting grpc client-side load balancing policy.
 Package resolve is setting grpc client-side load balancing policy.
grpc/server
Package server is generic grpc server-side.
 Package server is generic grpc server-side.
httpcli
Package httpcli is http request client, which only supports return json format.
 Package httpcli is http request client, which only supports return json format.
jwt
Package jwt is token generation and validation.
 Package jwt is token generation and validation.
jy2struct
Package jy2struct is a library for generating go struct code, supporting json and yaml.
 Package jy2struct is a library for generating go struct code, supporting json and yaml.
kafka
Package kafka is a kafka client package.
 Package kafka is a kafka client package.
krand
Package krand is a library for generating random strings, integers, floating point numbers.
 Package krand is a library for generating random strings, integers, floating point numbers.
logger
Package logger is log library encapsulated in https://github.com/uber-go/zap
 Package logger is log library encapsulated in https://github.com/uber-go/zap
mgo
Package mgo is a library wrapped on go.mongodb.org/mongo-driver/mongo, with added features paging queries, etc.
 Package mgo is a library wrapped on go.mongodb.org/mongo-driver/mongo, with added features paging queries, etc.
mgo/query
Package query is a library of custom condition queries, support for complex conditional paging queries.
 Package query is a library of custom condition queries, support for complex conditional paging queries.
nacoscli
Package nacoscli provides for getting the configuration from the nacos configuration center and parse it into a structure.
 Package nacoscli provides for getting the configuration from the nacos configuration center and parse it into a structure.
prof
Package prof is wrap the official `net/http/pprof` route and add the profile io wait time route.
 Package prof is wrap the official `net/http/pprof` route and add the profile io wait time route.
rabbitmq
Package rabbitmq is a go wrapper for github.com/rabbitmq/amqp091-go
 Package rabbitmq is a go wrapper for github.com/rabbitmq/amqp091-go
replacer
Package replacer is a library of replacement file content, supports replacement of files in local directories and embedded directory files via embed.
 Package replacer is a library of replacement file content, supports replacement of files in local directories and embedded directory files via embed.
servicerd/discovery
Package discovery is service discovery library, supports etcd, consul and nacos.
 Package discovery is service discovery library, supports etcd, consul and nacos.
servicerd/registry
Package registry is service registry library, supports etcd, consul and nacos.
 Package registry is service registry library, supports etcd, consul and nacos.
servicerd/registry/consul
Package consul is registered as a service using consul.
 Package consul is registered as a service using consul.
servicerd/registry/etcd
Package etcd is registered as a service using etcd.
 Package etcd is registered as a service using etcd.
servicerd/registry/nacos
Package nacos is registered as a service using nacos.
 Package nacos is registered as a service using nacos.
sgorm
Package sgorm is a library encapsulated on gorm.io/gorm
 Package sgorm is a library encapsulated on gorm.io/gorm
sgorm/dbclose
Package dbclose provides a function to close gorm db.
 Package dbclose provides a function to close gorm db.
sgorm/glog
Package glog provides a gorm logger implementation based on zap.
 Package glog provides a gorm logger implementation based on zap.
sgorm/mysql
Package mysql provides a gorm driver for mysql.
 Package mysql provides a gorm driver for mysql.
sgorm/postgresql
Package postgresql provides a gorm driver for postgresql.
 Package postgresql provides a gorm driver for postgresql.
sgorm/query
Package query is a library of custom condition queries, support for complex conditional paging queries.
 Package query is a library of custom condition queries, support for complex conditional paging queries.
sgorm/sqlite
Package sqlite provides a gorm driver for sqlite.
 Package sqlite provides a gorm driver for sqlite.
shield/circuitbreaker
Package circuitbreaker is an adaptive circuit breaker library, support for use in gin middleware and grpc interceptors.
 Package circuitbreaker is an adaptive circuit breaker library, support for use in gin middleware and grpc interceptors.
shield/cpu
Package cpu is a library that calculates cpu and memory usage.
 Package cpu is a library that calculates cpu and memory usage.
shield/ratelimit
Package ratelimit is an adaptive rate limit library, support for use in gin middleware and grpc interceptors.
 Package ratelimit is an adaptive rate limit library, support for use in gin middleware and grpc interceptors.
shield/window
Package window is a library that calculates windows cpu and memory usage.
 Package window is a library that calculates windows cpu and memory usage.
sql2code
Package sql2code provides for generating code for different purposes according to sql, support generating json, gorm model, update parameter, request parameter code, sql can be obtained from parameter, file, db three ways, priority from high to low.
 Package sql2code provides for generating code for different purposes according to sql, support generating json, gorm model, update parameter, request parameter code, sql can be obtained from parameter, file, db three ways, priority from high to low.
sql2code/parser
Package parser is a library that parses to go structures based on sql and generates the code needed based on the template.
 Package parser is a library that parses to go structures based on sql and generates the code needed based on the template.
stat
Package stat provides for counting system and process cpu and memory information, alarm notification support.
 Package stat provides for counting system and process cpu and memory information, alarm notification support.
stat/cpu
Package cpu is a library that counts system and process cpu usage.
 Package cpu is a library that counts system and process cpu usage.
stat/mem
Package mem is a library that counts system and process memory usage.
 Package mem is a library that counts system and process memory usage.
tracer
Package tracer is a library wrapped in go.opentelemetry.io/otel.
 Package tracer is a library wrapped in go.opentelemetry.io/otel.
utils
Package utils is a library of commonly used utility functions.
 Package utils is a library of commonly used utility functions.
ws
Package ws provides a websocket server implementation.
 Package ws provides a websocket server implementation.

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