Initial commit

This commit is contained in:
2025-10-08 16:49:13 +00:00
commit 7274adfa0d
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.env.example Normal file
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API_KEY=super_secret_key

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.gitignore vendored Normal file
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docs/
.env

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README.md Normal file
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# goapi

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docs/docs.go Normal file
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// Package docs Code generated by swaggo/swag. DO NOT EDIT
package docs
import "github.com/swaggo/swag"
const docTemplate = `{
"schemes": {{ marshal .Schemes }},
"swagger": "2.0",
"info": {
"description": "{{escape .Description}}",
"title": "{{.Title}}",
"contact": {},
"version": "{{.Version}}"
},
"host": "{{.Host}}",
"basePath": "{{.BasePath}}",
"paths": {
"/health": {
"get": {
"description": "Check if the API is running",
"produces": [
"application/json"
],
"tags": [
"health"
],
"summary": "Health check",
"responses": {
"200": {
"description": "OK",
"schema": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
}
}
}
},
"/users": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Get list of all users",
"produces": [
"application/json"
],
"tags": [
"users"
],
"summary": "Get users",
"responses": {
"200": {
"description": "OK",
"schema": {
"type": "array",
"items": {
"$ref": "#/definitions/main.User"
}
}
},
"401": {
"description": "Unauthorized",
"schema": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
}
}
}
}
},
"definitions": {
"main.User": {
"type": "object",
"properties": {
"email": {
"type": "string"
},
"id": {
"type": "integer"
},
"name": {
"type": "string"
}
}
}
},
"securityDefinitions": {
"ApiKeyAuth": {
"type": "apiKey",
"name": "X-API-Key",
"in": "header"
}
}
}`
// SwaggerInfo holds exported Swagger Info so clients can modify it
var SwaggerInfo = &swag.Spec{
Version: "1.0",
Host: "localhost:8080",
BasePath: "/api/v1",
Schemes: []string{},
Title: "GoApi",
Description: "A basic API with support for Swagger and Middleware",
InfoInstanceName: "swagger",
SwaggerTemplate: docTemplate,
LeftDelim: "{{",
RightDelim: "}}",
}
func init() {
swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
}

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docs/swagger.json Normal file
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{
"swagger": "2.0",
"info": {
"description": "A basic API with support for Swagger and Middleware",
"title": "GoApi",
"contact": {},
"version": "1.0"
},
"host": "localhost:8080",
"basePath": "/api/v1",
"paths": {
"/health": {
"get": {
"description": "Check if the API is running",
"produces": [
"application/json"
],
"tags": [
"health"
],
"summary": "Health check",
"responses": {
"200": {
"description": "OK",
"schema": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
}
}
}
},
"/users": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Get list of all users",
"produces": [
"application/json"
],
"tags": [
"users"
],
"summary": "Get users",
"responses": {
"200": {
"description": "OK",
"schema": {
"type": "array",
"items": {
"$ref": "#/definitions/main.User"
}
}
},
"401": {
"description": "Unauthorized",
"schema": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
}
}
}
}
},
"definitions": {
"main.User": {
"type": "object",
"properties": {
"email": {
"type": "string"
},
"id": {
"type": "integer"
},
"name": {
"type": "string"
}
}
}
},
"securityDefinitions": {
"ApiKeyAuth": {
"type": "apiKey",
"name": "X-API-Key",
"in": "header"
}
}
}

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docs/swagger.yaml Normal file
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basePath: /api/v1
definitions:
main.User:
properties:
email:
type: string
id:
type: integer
name:
type: string
type: object
host: localhost:8080
info:
contact: {}
description: A basic API with support for Swagger and Middleware
title: GoApi
version: "1.0"
paths:
/health:
get:
description: Check if the API is running
produces:
- application/json
responses:
"200":
description: OK
schema:
additionalProperties:
type: string
type: object
summary: Health check
tags:
- health
/users:
get:
description: Get list of all users
produces:
- application/json
responses:
"200":
description: OK
schema:
items:
$ref: '#/definitions/main.User'
type: array
"401":
description: Unauthorized
schema:
additionalProperties:
type: string
type: object
security:
- ApiKeyAuth: []
summary: Get users
tags:
- users
securityDefinitions:
ApiKeyAuth:
in: header
name: X-API-Key
type: apiKey
swagger: "2.0"

40
go.mod Normal file
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module goapi
go 1.25.1
require (
github.com/KyleBanks/depth v1.2.1 // indirect
github.com/PuerkitoBio/purell v1.2.1 // indirect
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
github.com/go-openapi/jsonpointer v0.22.1 // indirect
github.com/go-openapi/jsonreference v0.21.2 // indirect
github.com/go-openapi/spec v0.22.0 // indirect
github.com/go-openapi/swag v0.25.1 // indirect
github.com/go-openapi/swag/conv v0.25.1 // indirect
github.com/go-openapi/swag/jsonname v0.25.1 // indirect
github.com/go-openapi/swag/jsonutils v0.25.1 // indirect
github.com/go-openapi/swag/loading v0.25.1 // indirect
github.com/go-openapi/swag/stringutils v0.25.1 // indirect
github.com/go-openapi/swag/typeutils v0.25.1 // indirect
github.com/go-openapi/swag/yamlutils v0.25.1 // indirect
github.com/joho/godotenv v1.5.1 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/mailru/easyjson v0.9.1 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
github.com/swaggo/files v1.0.1 // indirect
github.com/swaggo/http-swagger v1.3.4 // indirect
github.com/swaggo/swag v1.16.6 // indirect
github.com/urfave/cli/v2 v2.27.7 // indirect
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 // indirect
go.yaml.in/yaml/v2 v2.4.3 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
golang.org/x/mod v0.29.0 // indirect
golang.org/x/net v0.45.0 // indirect
golang.org/x/sync v0.17.0 // indirect
golang.org/x/text v0.30.0 // indirect
golang.org/x/tools v0.37.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
sigs.k8s.io/yaml v1.6.0 // indirect
)

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go.sum Normal file
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github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
github.com/PuerkitoBio/purell v1.2.1 h1:QsZ4TjvwiMpat6gBCBxEQI0rcS9ehtkKtSpiUnd9N28=
github.com/PuerkitoBio/purell v1.2.1/go.mod h1:ZwHcC/82TOaovDi//J/804umJFFmbOHPngi8iYYv/Eo=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/cpuguy83/go-md2man/v2 v2.0.7 h1:zbFlGlXEAKlwXpmvle3d8Oe3YnkKIK4xSRTd3sHPnBo=
github.com/cpuguy83/go-md2man/v2 v2.0.7/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-openapi/jsonpointer v0.22.1 h1:sHYI1He3b9NqJ4wXLoJDKmUmHkWy/L7rtEo92JUxBNk=
github.com/go-openapi/jsonpointer v0.22.1/go.mod h1:pQT9OsLkfz1yWoMgYFy4x3U5GY5nUlsOn1qSBH5MkCM=
github.com/go-openapi/jsonreference v0.21.2 h1:Wxjda4M/BBQllegefXrY/9aq1fxBA8sI5M/lFU6tSWU=
github.com/go-openapi/jsonreference v0.21.2/go.mod h1:pp3PEjIsJ9CZDGCNOyXIQxsNuroxm8FAJ/+quA0yKzQ=
github.com/go-openapi/spec v0.22.0 h1:xT/EsX4frL3U09QviRIZXvkh80yibxQmtoEvyqug0Tw=
github.com/go-openapi/spec v0.22.0/go.mod h1:K0FhKxkez8YNS94XzF8YKEMULbFrRw4m15i2YUht4L0=
github.com/go-openapi/swag v0.25.1 h1:6uwVsx+/OuvFVPqfQmOOPsqTcm5/GkBhNwLqIR916n8=
github.com/go-openapi/swag v0.25.1/go.mod h1:bzONdGlT0fkStgGPd3bhZf1MnuPkf2YAys6h+jZipOo=
github.com/go-openapi/swag/conv v0.25.1 h1:+9o8YUg6QuqqBM5X6rYL/p1dpWeZRhoIt9x7CCP+he0=
github.com/go-openapi/swag/conv v0.25.1/go.mod h1:Z1mFEGPfyIKPu0806khI3zF+/EUXde+fdeksUl2NiDs=
github.com/go-openapi/swag/jsonname v0.25.1 h1:Sgx+qbwa4ej6AomWC6pEfXrA6uP2RkaNjA9BR8a1RJU=
github.com/go-openapi/swag/jsonname v0.25.1/go.mod h1:71Tekow6UOLBD3wS7XhdT98g5J5GR13NOTQ9/6Q11Zo=
github.com/go-openapi/swag/jsonutils v0.25.1 h1:AihLHaD0brrkJoMqEZOBNzTLnk81Kg9cWr+SPtxtgl8=
github.com/go-openapi/swag/jsonutils v0.25.1/go.mod h1:JpEkAjxQXpiaHmRO04N1zE4qbUEg3b7Udll7AMGTNOo=
github.com/go-openapi/swag/loading v0.25.1 h1:6OruqzjWoJyanZOim58iG2vj934TysYVptyaoXS24kw=
github.com/go-openapi/swag/loading v0.25.1/go.mod h1:xoIe2EG32NOYYbqxvXgPzne989bWvSNoWoyQVWEZicc=
github.com/go-openapi/swag/stringutils v0.25.1 h1:Xasqgjvk30eUe8VKdmyzKtjkVjeiXx1Iz0zDfMNpPbw=
github.com/go-openapi/swag/stringutils v0.25.1/go.mod h1:JLdSAq5169HaiDUbTvArA2yQxmgn4D6h4A+4HqVvAYg=
github.com/go-openapi/swag/typeutils v0.25.1 h1:rD/9HsEQieewNt6/k+JBwkxuAHktFtH3I3ysiFZqukA=
github.com/go-openapi/swag/typeutils v0.25.1/go.mod h1:9McMC/oCdS4BKwk2shEB7x17P6HmMmA6dQRtAkSnNb8=
github.com/go-openapi/swag/yamlutils v0.25.1 h1:mry5ez8joJwzvMbaTGLhw8pXUnhDK91oSJLDPF1bmGk=
github.com/go-openapi/swag/yamlutils v0.25.1/go.mod h1:cm9ywbzncy3y6uPm/97ysW8+wZ09qsks+9RS8fLWKqg=
github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/mailru/easyjson v0.9.1 h1:LbtsOm5WAswyWbvTEOqhypdPeZzHavpZx96/n553mR8=
github.com/mailru/easyjson v0.9.1/go.mod h1:1+xMtQp2MRNVL/V1bOzuP3aP8VNwRW55fQUto+XFtTU=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
github.com/swaggo/files v1.0.1 h1:J1bVJ4XHZNq0I46UU90611i9/YzdrF7x92oX1ig5IdE=
github.com/swaggo/files v1.0.1/go.mod h1:0qXmMNH6sXNf+73t65aKeB+ApmgxdnkQzVTAj2uaMUg=
github.com/swaggo/http-swagger v1.3.4 h1:q7t/XLx0n15H1Q9/tk3Y9L4n210XzJF5WtnDX64a5ww=
github.com/swaggo/http-swagger v1.3.4/go.mod h1:9dAh0unqMBAlbp1uE2Uc2mQTxNMU/ha4UbucIg1MFkQ=
github.com/swaggo/swag v1.16.6 h1:qBNcx53ZaX+M5dxVyTrgQ0PJ/ACK+NzhwcbieTt+9yI=
github.com/swaggo/swag v1.16.6/go.mod h1:ngP2etMK5a0P3QBizic5MEwpRmluJZPHjXcMoj4Xesg=
github.com/urfave/cli/v2 v2.27.7 h1:bH59vdhbjLv3LAvIu6gd0usJHgoTTPhCFib8qqOwXYU=
github.com/urfave/cli/v2 v2.27.7/go.mod h1:CyNAG/xg+iAOg0N4MPGZqVmv2rCoP267496AOXUZjA4=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 h1:FnBeRrxr7OU4VvAzt5X7s6266i6cSVkkFPS0TuXWbIg=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
sigs.k8s.io/yaml v1.6.0 h1:G8fkbMSAFqgEFgh4b1wmtzDnioxFCUgTZhlbj5P9QYs=
sigs.k8s.io/yaml v1.6.0/go.mod h1:796bPqUfzR/0jLAl6XjHl3Ck7MiyVv8dbTdyT3/pMf4=

43
handlers.go Normal file
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package main
import (
"encoding/json"
"net/http"
)
type User struct {
ID int `json:"id"`
Name string `json:"name"`
Email string `json:"email"`
}
// GetHealth godoc
// @Summary Health check
// @Description Check if the API is running
// @Tags health
// @Produce json
// @Success 200 {object} map[string]string
// @Router /health [get]
func GetHealth(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
}
// GetUsers godoc
// @Summary Get users
// @Description Get list of all users
// @Tags users
// @Produce json
// @Success 200 {array} User
// @Failure 401 {object} map[string]string
// @Security ApiKeyAuth
// @Router /users [get]
func GetUsers(w http.ResponseWriter, r *http.Request) {
users := []User{
{ID: 1, Name: "John Doe", Email: "john@example.com"},
{ID: 2, Name: "Jane Smith", Email: "jane@example.com"},
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(users)
}

41
main.go Normal file
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package main
import (
"log"
"net/http"
_ "goapi/docs"
"github.com/joho/godotenv"
httpSwagger "github.com/swaggo/http-swagger"
)
// @title GoApi
// @version 1.0
// @description A basic API with support for Swagger and Middleware
// @host localhost:8080
// @BasePath /api/v1
// @securityDefinitions.apikey ApiKeyAuth
// @in header
// @name X-API-Key
func main() {
// Load .env file
if err := godotenv.Load(); err != nil {
log.Println("No .env file found, using environment variables")
}
mux := http.NewServeMux()
// API routes
mux.HandleFunc("/api/v1/health", GetHealth)
mux.HandleFunc("/api/v1/users", GetUsers)
// Swagger UI
mux.Handle("/swagger/", httpSwagger.WrapHandler)
// Apply middleware
handler := LoggingMiddleware(AuthMiddleware(mux))
log.Println("Server starting on :8080")
log.Fatal(http.ListenAndServe(":8080", handler))
}

54
makefile Normal file
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.PHONY: help install-swag swagger build run dev clean deps
# Determine GOPATH
GOPATH ?= $(shell go env GOPATH)
SWAG := $(GOPATH)/bin/swag
# Default target
help:
@echo "Available targets:"
@echo " make install-swag - Install swag CLI if not present"
@echo " make swagger - Generate Swagger documentation"
@echo " make build - Build the application"
@echo " make run - Build and run the application"
@echo " make dev - Run in development mode"
@echo " make clean - Remove build artifacts"
@echo " make deps - Download dependencies"
# Check if swag is installed, install if not
install-swag:
@test -f $(SWAG) || \
(echo "Installing swag..." && \
go install github.com/swaggo/swag/cmd/swag@latest)
# Generate Swagger docs (auto-installs swag if needed)
swagger: install-swag
@echo "Generating Swagger documentation..."
@$(SWAG) init
# Build the application
build: swagger
@echo "Building application..."
@go build -o bin/api .
# Run the application
run: build
@echo "Starting server..."
@./bin/api
# Development mode with swagger generation
dev: swagger
@echo "Running in development mode..."
@go run .
# Clean build artifacts
clean:
@echo "Cleaning up..."
@rm -rf bin/
@rm -rf docs/
# Download dependencies
deps:
@echo "Downloading dependencies..."
@go mod download
@go mod tidy

64
middleware.go Normal file
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package main
import (
"log"
"net/http"
"os"
"strings"
"time"
)
// List of public endpoint paths
var publicEndpoints = []string{
"/api/v1/health",
"/swagger",
}
// Middleware for logging
func LoggingMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
log.Printf("[%s] %s %s", r.Method, r.URL.Path, r.RemoteAddr)
next.ServeHTTP(w, r)
log.Printf("Completed in %v", time.Since(start))
})
}
// Checks if a path matches any public endpoint
func isPublicEndpoint(path string) bool {
for _, endpoint := range publicEndpoints {
if path == endpoint || strings.HasPrefix(path, endpoint) {
return true
}
}
return false
}
// Middleware that handles auth
func AuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Skip auth for public endpoints
if isPublicEndpoint(r.URL.Path) {
next.ServeHTTP(w, r)
return
}
validAPIKey := os.Getenv("API_KEY")
if validAPIKey == "" {
log.Println(
"WARNING: API_KEY environment variable not set, using default",
)
validAPIKey = "secret-key"
}
apiKey := r.Header.Get("X-API-Key")
if apiKey != validAPIKey {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(`{"error":"unauthorized"}`))
return
}
next.ServeHTTP(w, r)
})
}