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feat(metrics): expose Prometheus /metrics endpoint #37

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59fb736
feat(dashboard): add real metrics to manager dashboard
edilsonoliveirama Apr 20, 2026
bd9f000
fix(chat): enable chat operations and make mute duration configurable
edilsonoliveirama Apr 20, 2026
64527d5
fix(chat): validate and clamp mute duration
edilsonoliveirama Apr 20, 2026
35d3166
feat(metrics): expose Prometheus /metrics endpoint
edilsonoliveirama Apr 20, 2026
381782f
refactor(metrics): address PR #37 review feedback from @paluan-batista
edilsonoliveirama Apr 23, 2026
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9 changes: 9 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,12 @@ coverage.*
.idea/
.vscode/
.DS_Store
manager/node_modules/
manager/src/
manager/package.json
manager/package-lock.json
manager/postcss.config.js
manager/tailwind.config.ts
manager/tsconfig*.json
manager/vite.config.ts
manager/index.html
1 change: 1 addition & 0 deletions Dockerfile
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Expand Up @@ -27,6 +27,7 @@ WORKDIR /app

COPY --from=build /build/server .
COPY --from=build /build/manager/dist ./manager/dist
COPY --from=build /build/manager/dashboard ./manager/dashboard
COPY --from=build /build/VERSION ./VERSION

ENV TZ=America/Sao_Paulo
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6 changes: 6 additions & 0 deletions cmd/evolution-go/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import (
community_service "github.com/EvolutionAPI/evolution-go/pkg/community/service"
config "github.com/EvolutionAPI/evolution-go/pkg/config"
"github.com/EvolutionAPI/evolution-go/pkg/core"
"github.com/EvolutionAPI/evolution-go/pkg/metrics"
producer_interfaces "github.com/EvolutionAPI/evolution-go/pkg/events/interfaces"
nats_producer "github.com/EvolutionAPI/evolution-go/pkg/events/nats"
rabbitmq_producer "github.com/EvolutionAPI/evolution-go/pkg/events/rabbitmq"
Expand Down Expand Up @@ -158,6 +159,7 @@ func setupRouter(db *gorm.DB, authDB *sql.DB, sqliteDB *sql.DB, config *config.C
}

instanceRepository := instance_repository.NewInstanceRepository(db)

messageRepository := message_repository.NewMessageRepository(db)
labelRepository := label_repository.NewLabelRepository(db)

Expand Down Expand Up @@ -201,6 +203,10 @@ func setupRouter(db *gorm.DB, authDB *sql.DB, sqliteDB *sql.DB, config *config.C

r := gin.Default()

metricsRegistry := metrics.New(version, instanceRepository)
r.Use(metricsRegistry.GinMiddleware())
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@paluan-batista paluan-batista Apr 21, 2026

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Sugestão: Mova essa linha para depois da configuração do CORS. Isso evita que o coletor de métricas processe e registre requests que seriam bloqueados imediatamente por políticas de segurança.

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@edilsonoliveirama edilsonoliveirama Apr 23, 2026

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Obrigado pela dica mestre, estou corrigindo os pontos.

r.GET("/metrics", gin.WrapH(metricsRegistry.Handler()))

// CORS middleware — must be before everything else
r.Use(func(c *gin.Context) {
c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
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7 changes: 7 additions & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ require (
github.com/minio/minio-go/v7 v7.0.80
github.com/nats-io/nats.go v1.39.0
github.com/patrickmn/go-cache v2.1.0+incompatible
github.com/prometheus/client_golang v1.20.5
github.com/rabbitmq/amqp091-go v1.10.0
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
github.com/swaggo/files v1.0.1
Expand All @@ -35,8 +36,10 @@ require (
filippo.io/edwards25519 v1.1.0 // indirect
github.com/KyleBanks/depth v1.2.1 // indirect
github.com/beeper/argo-go v1.1.2 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/bytedance/sonic v1.12.2 // indirect
github.com/bytedance/sonic/loader v0.2.0 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/cloudwego/base64x v0.1.4 // indirect
github.com/cloudwego/iasm v0.2.0 // indirect
github.com/coder/websocket v1.8.14 // indirect
Expand Down Expand Up @@ -70,11 +73,15 @@ require (
github.com/minio/md5-simd v1.1.2 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/nats-io/nkeys v0.4.9 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
github.com/ncruces/go-strftime v0.1.9 // indirect
github.com/pelletier/go-toml/v2 v2.2.3 // indirect
github.com/petermattis/goid v0.0.0-20260113132338-7c7de50cc741 // indirect
github.com/prometheus/client_model v0.6.1 // indirect
github.com/prometheus/common v0.55.0 // indirect
github.com/prometheus/procfs v0.15.1 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
github.com/rogpeppe/go-internal v1.12.0 // indirect
github.com/rs/xid v1.6.0 // indirect
Expand Down
16 changes: 16 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -10,11 +10,15 @@ github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883 h1:bvNMNQO63//z+xNg
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
github.com/beeper/argo-go v1.1.2 h1:UQI2G8F+NLfGTOmTUI0254pGKx/HUU/etbUGTJv91Fs=
github.com/beeper/argo-go v1.1.2/go.mod h1:M+LJAnyowKVQ6Rdj6XYGEn+qcVFkb3R/MUpqkGR0hM4=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bytedance/sonic v1.12.2 h1:oaMFuRTpMHYLpCntGca65YWt5ny+wAceDERTkT2L9lg=
github.com/bytedance/sonic v1.12.2/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKzMzT9r/rk=
github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
github.com/bytedance/sonic/loader v0.2.0 h1:zNprn+lsIP06C/IqCHs3gPQIvnvpKbbxyXQP1iU4kWM=
github.com/bytedance/sonic/loader v0.2.0/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chai2010/webp v1.1.1 h1:jTRmEccAJ4MGrhFOrPMpNGIJ/eybIgwKpcACsrTEapk=
github.com/chai2010/webp v1.1.1/go.mod h1:0XVwvZWdjjdxpUEIf7b9g9VkHFnInUSYujwqTLEuldU=
github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
Expand Down Expand Up @@ -102,6 +106,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
Expand All @@ -126,6 +132,8 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/nats-io/nats.go v1.39.0 h1:2/yg2JQjiYYKLwDuBzV0FbB2sIV+eFNkEevlRi4n9lI=
github.com/nats-io/nats.go v1.39.0/go.mod h1:MgRb8oOdigA6cYpEPhXJuRVH6UE/V4jblJ2jQ27IXYM=
github.com/nats-io/nkeys v0.4.9 h1:qe9Faq2Gxwi6RZnZMXfmGMZkg3afLLOtrU+gDZJ35b0=
Expand All @@ -143,6 +151,14 @@ github.com/petermattis/goid v0.0.0-20260113132338-7c7de50cc741/go.mod h1:pxMtw7c
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
github.com/rabbitmq/amqp091-go v1.10.0 h1:STpn5XsHlHGcecLmMFCtg7mqq0RnD+zFr4uzukfVhBw=
github.com/rabbitmq/amqp091-go v1.10.0/go.mod h1:Hy4jKW5kQART1u+JkDTF9YYOQUHXqMuhrgxOEeS7G4o=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
Expand Down
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